Calculator Directory
353 calculators across 12 categories — find what you need by browsing or searching below.
Finance
68 calculators
Loan Calculator
Calculate EMI, total interest and cost for any loan.
EMI Calculator
Monthly EMI for home, personal, auto and business loans.
Personal Loan Calculator
Estimate monthly payment and total interest on a personal loan.
Mortgage Calculator
Estimate monthly mortgage payments, interest and amortization.
Home Loan Calculator
EMI, interest and total-cost estimator for home loans.
Auto Loan Calculator
Monthly car loan payments and total interest.
Student Loan Calculator
Monthly payment and payoff timeline for student loans.
Business Loan Calculator
EMI and interest for small-business loans.
Loan Affordability Calculator
How much loan can you afford based on income.
Compound Interest Calculator
How money grows with compounding over time.
APY Calculator
Convert nominal interest rate to annual percentage yield.
Credit Card Interest Calculator
Interest, payoff timeline and total cost of card debt.
Credit Card Rewards Calculator
Estimate annual rewards value across spending categories.
Cashback Calculator
Annual cashback earnings from card spending.
Mortgage Refinance Calculator
Compare current mortgage to a refinance; find break-even.
Mortgage Payoff Calculator
How extra payments shorten your mortgage and cut interest.
Bi-Weekly Mortgage Calculator
Savings from switching to bi-weekly mortgage payments.
Amortization Schedule Calculator
Break down each payment into principal and interest.
Mortgage Points Calculator
Should you buy discount points to lower your rate?
ARM Mortgage Calculator
Initial and reset payments on adjustable-rate mortgages.
FHA Loan Calculator
FHA loan payment estimator with upfront and annual MIP.
VA Loan Calculator
VA loan estimator with funding fee and 0% down.
HELOC Calculator
Home Equity Line of Credit payment estimator.
Home Equity Loan Calculator
Fixed-rate second-mortgage payment calculator.
USDA Loan Calculator
Zero-down USDA rural loan payment with guarantee fee.
APR Calculator
True annualized borrowing cost including upfront fees.
Debt Consolidation Calculator
Compare current debts to a single consolidation loan.
Debt Snowball Calculator
Pay smallest balance first for fast wins and momentum.
Debt Avalanche Calculator
Pay highest APR first for the lowest total interest.
Savings Goal Calculator
Monthly deposit to hit a savings goal by a target date.
Emergency Fund Calculator
How much emergency savings you need and how fast to fund it.
DTI Calculator (Debt-to-Income)
Front-end and back-end debt-to-income ratios for mortgage qualification.
CD Calculator (Certificate of Deposit)
Maturity value and interest on a fixed-rate US Certificate of Deposit.
Inflation Calculator
Purchasing power of money over time and future cost projections.
Net Worth Calculator
Assets minus liabilities — track your total wealth.
Cash-Out Refinance Calculator
How much cash you can pull from your home with an 80% LTV refinance.
Reverse Mortgage Calculator (HECM)
FHA HECM available cash for homeowners 62+.
SBA Loan Calculator
7(a), 504, and Microloan payment with SBA guarantee fee.
Balloon Mortgage Calculator
Monthly payment plus lump-sum balloon due at end of a short term.
Interest-Only Mortgage Calculator
Interest-only payment during IO period and jump when the loan recasts.
Credit Utilization Calculator
Overall and per-card credit utilization ratio for FICO health.
Balance Transfer Calculator
Interest saved by moving credit-card debt to a 0% APR promo card.
Minimum Payment Calculator
How long minimum-only payments take to clear a credit-card balance.
Credit Score Improvement Calculator
Projected FICO score lift from cutting utilization and adding on-time months.
Child Support Calculator
Guideline estimate using income-shares or percentage-of-income state models.
Alimony Calculator
AAML guideline spousal support amount and suggested duration.
Wage Garnishment Calculator
CCPA Title III garnishment limits for consumer, support and student-loan debt.
Unemployment Benefits Calculator
Weekly benefit amount, dependents allowance and total UI benefit by state caps.
Mortgage Buydown Calculator
2-1, 3-2-1 and 1-0 temporary buydowns — year-by-year payment and seller subsidy.
Mortgage Recast Calculator
Lump-sum principal payment re-amortized to a lower monthly payment.
HELOC vs Home Equity Loan Calculator
Compare fixed HEL to a variable HELOC over draw and repayment periods.
Student Loan Refinance Calculator
Compare current vs refinanced student loan payments, interest, and break-even period.
Student Loan Payoff Strategy Calculator
Avalanche vs snowball payoff comparison across multiple student loans.
Land Loan Calculator
Monthly payment and interest on raw or improved land purchases.
Construction Loan Calculator
Interest-only construction phase plus permanent P&I on a construction-to-perm loan.
Bridge Loan Calculator
Interest-only bridge financing with balloon payoff when the departing home sells.
Mortgage Escrow Calculator
Monthly escrow for taxes and insurance plus the RESPA 2-month initial cushion.
Mortgage Lock vs Float Calculator
Compare locking your rate today against floating to an expected future rate.
Mortgage Discount Points Break-Even Calculator
Break-even on buying discount points to lower your mortgage rate.
CD Ladder Calculator
Split cash across staggered CDs for annual liquidity and a blended APY.
CD Early Withdrawal Penalty Calculator
Cost of breaking a CD early, net payout and whether principal is invaded.
Money Market Account Calculator
Money market growth with monthly deposits, maintenance fees and taxes.
Bank Fee Comparison Calculator
Compare two banks on maintenance, overdraft and ATM fees versus interest earned.
Direct Deposit Split Savings Calculator
Project savings from auto-routing a percentage of every paycheck.
Overdraft Fee Impact Calculator
Annual overdraft and NSF cost plus the effective APR of an overdraft.
FDIC Insurance Coverage Calculator
How much of your deposits is FDIC insured across ownership categories.
Bank Account Switching Savings Calculator
Net gain from moving to a higher-APY bank after bonus, tax and time costs.
Cash Reserve Requirement Calculator
Size an emergency fund from your essentials, income stability and dependents, then plan the funding gap.
Real Estate
40 calculators
Property Tax Calculator
Annual property tax from assessed value and rate.
PMI Calculator
Monthly Private Mortgage Insurance based on LTV.
Closing Costs Calculator
US home purchase closing costs — 2-5% of price.
Down Payment Calculator
Target home down payment and monthly savings plan.
Home Equity Calculator
Home equity and how much you can borrow.
Home Affordability Calculator
Home price you can afford based on income and DTI.
Rent Affordability Calculator
Max monthly rent you can afford.
Rental Yield Calculator
Gross and net rental yield on investment property.
Property ROI Calculator
Cash-on-cash and total return on rental property.
Property Appreciation Calculator
Future property value with annual appreciation.
Rent vs Buy Calculator
Compare total cost of renting vs buying over your holding period.
1031 Exchange Calculator
Defer real-estate capital gains under IRC §1031: recognized boot, deferred gain, and carryover basis.
Home Selling Cost Calculator
Total US seller costs — commission, closing fees, prep and concessions — with % of sale price.
Real Estate Commission Calculator
Listing- and buyer-agent commission split after the 2024 NAR settlement.
Net Proceeds from Home Sale Calculator
Cash to seller at closing after mortgage payoff, commission and closing costs.
Property Tax Proration Calculator
Split annual property tax between buyer and seller by closing day using a 365-day proration.
Transfer Tax Calculator
State + county deed transfer tax on a US home sale.
Recording Fee Calculator
County recorder fees for deed and mortgage documents by page count.
Appraisal Gap Calculator
Extra cash needed when the appraisal comes in below the purchase price.
Seller Net Sheet Calculator
Estimated cash to the seller after mortgage payoff, commission, closing costs and credits.
Cash to Close Calculator
Certified funds needed at closing — down payment, closing costs, prepaids minus credits.
Earnest Money Deposit Calculator
Recommended EMD amount by market conditions and offer strength.
Rental Property Cash Flow Calculator
Monthly and annual cash flow, NOI and DSCR for a rental property.
Cap Rate Calculator
Capitalization rate from NOI and price, plus value at a market cap rate.
Cash-on-Cash Return Calculator
Annual cash yield on the actual cash invested in a rental deal.
Real Estate Flip Profit Calculator
Fix-and-flip profit, cash-on-cash return and the 70% rule max offer.
Gross Rent Multiplier Calculator
GRM and the 1% rule screen for rental property pricing.
BRRRR Calculator
Cash left in the deal, refinance proceeds and post-refi cash flow.
Rental Property Depreciation Calculator
27.5-year straight-line depreciation, tax savings and recapture.
Short-Term Rental Income Calculator
Airbnb-style net income from nightly rate, occupancy and fees.
After Repair Value (ARV) Calculator
Estimate ARV from comps and the maximum allowable offer.
Wholesale Assignment Fee Calculator
Assignment spread between your contract price and a cash buyer's max.
House Hacking Calculator
Effective housing cost after rental income from other units.
Debt Yield Ratio Calculator
NOI divided by loan amount and the maximum loan a lender will size.
Tenant Turnover Cost Calculator
True cost of a turnover: lost rent, make-ready, leasing fee and concessions.
Property Management Fee Calculator
Effective management cost including leasing, renewal and markup fees.
Seller Financing Calculator
Owner-financed note payment, balloon balance and total seller proceeds.
Triple Net (NNN) Lease Calculator
Base rent plus NNN charges with annual escalations over the term.
Cost Segregation Calculator
First-year tax savings from accelerating depreciation with a cost seg study.
Vacancy Loss Calculator
Vacancy and credit loss, effective gross income and economic occupancy.
Investment
72 calculators
Roth IRA Calculator
Tax-free retirement growth from Roth IRA contributions.
401(k) Calculator
401(k) balance at retirement with employer match.
SIP Calculator
Future value of monthly SIP investments.
Lumpsum Calculator
Future value of a one-time investment.
CAGR Calculator
Compound annual growth rate of an investment.
XIRR Calculator
Annualised return on irregular cash flows.
SWP Calculator
Systematic withdrawal plan payouts and corpus longevity.
FIRE Calculator
Target corpus for Financial Independence Retire Early.
Coast FIRE Calculator
Savings needed today to coast to retirement.
Retirement Savings Calculator
Corpus needed for retirement with monthly savings plan.
Goal Planning Calculator
Monthly investment to reach a future goal.
Stock Return Calculator
Total and annualised return on stock investment.
Dividend Yield Calculator
Annual dividend yield on a stock.
Portfolio Return Calculator
Weighted return of a multi-asset portfolio.
PPF Calculator
Public Provident Fund maturity and interest.
EPF Calculator
Employees' Provident Fund corpus at retirement.
NPS Calculator
National Pension System maturity and monthly pension.
SSY Calculator
Sukanya Samriddhi Yojana maturity value.
SCSS Calculator
Senior Citizen Savings Scheme quarterly payout.
SBI FD Calculator
SBI Fixed Deposit maturity value.
HDFC FD Calculator
HDFC Fixed Deposit maturity value.
ICICI FD Calculator
ICICI Fixed Deposit maturity value.
Post Office FD Calculator
India Post Time Deposit maturity value.
Post Office RD Calculator
India Post Recurring Deposit maturity value.
Post Office Time Deposit Calculator
Post Office TD interest for 1-5 year tenures.
Post Office MIS Calculator
Monthly Income Scheme payout.
RRSP Calculator
Canadian Registered Retirement Savings Plan growth.
TFSA Calculator
Canadian Tax-Free Savings Account growth.
Traditional IRA Calculator
Future balance and tax deduction from Traditional IRA contributions.
Social Security Benefits Calculator
Estimated monthly Social Security benefit at your chosen claim age.
RMD Calculator
IRS Required Minimum Distribution from IRAs and 401(k)s at age 73+.
SEP-IRA Contribution Calculator
Maximum SEP-IRA contribution for the self-employed (2025 limits).
SIMPLE IRA Calculator
Employee + employer SIMPLE IRA contributions with 3% match or 2% non-elective.
Roth Conversion Calculator
Federal tax owed to convert a Traditional IRA to a Roth IRA.
401(k) Rollover Calculator
Extra money kept by rolling an old 401(k) to a low-cost IRA.
Solo 401(k) Calculator
Employee + employer contribution limits for self-employed retirement (2025).
Backdoor Roth IRA Calculator
Nondeductible IRA to Roth conversion with pro-rata rule check.
Mega Backdoor Roth Calculator
After-tax 401(k) headroom up to the $70k §415(c) cap.
Pension Lump Sum vs Annuity Calculator
Compare a lump-sum pension buyout to lifetime monthly annuity payments.
Pension Payout Calculator
Defined-benefit pension using final salary × years × multiplier.
Required Retirement Income Calculator
Nest egg needed to replace target percentage of pre-retirement income.
Retirement Withdrawal Calculator
Stress-test your withdrawal plan against sequence-of-returns risk.
Annuity Payout Calculator
Monthly income from a fixed period-certain or lifetime annuity.
Social Security Break-Even Calculator
Break-even age for claiming early (62) vs delaying to Full Retirement Age or 70.
HSA Contribution Calculator
2025 HSA limits, catch-up, employer contribution and federal tax savings.
Dividend Reinvestment (DRIP) Calculator
Compound share count and dividends over decades of DRIP investing.
Treasury Bill Calculator
Discount purchase price, interest earned, and bond-equivalent yield on 4–52 week T-Bills.
Treasury Bond Calculator
Semiannual-coupon Treasury Bond and Note pricing at any market YTM.
Series I Savings Bond Calculator
Composite rate, growth and early-redemption penalty on Series I Savings Bonds.
Bond Yield to Maturity (YTM) Calculator
Solve YTM from price, coupon and maturity via bisection — with current yield.
Bond Duration Calculator
Macaulay and Modified duration plus DV01 interest-rate sensitivity.
Sequence of Returns Risk Calculator
Compare bad-returns-first vs good-returns-first retirement scenarios at the same average return.
Safe Withdrawal Rate Calculator
Solve the Bengen-style SWR that funds your horizon at a chosen real return.
Portfolio Rebalancing Calculator
Buy/sell amounts per asset sleeve to restore target allocation with drift bands.
Roth vs Traditional IRA Calculator
Compare after-tax retirement value of Roth and Traditional IRA at the same contribution.
Roth Conversion Break-Even Calculator
Years to recoup the tax cost of a Traditional-to-Roth IRA conversion.
RMD by Year Calculator
Multi-year Required Minimum Distribution schedule using the IRS Uniform Lifetime Table.
529 College Savings Calculator
Project a 529 plan balance and estimated state income-tax savings.
Tax-Equivalent Yield Calculator
Convert a tax-free yield into its taxable equivalent using federal, state, and NIIT rates.
Municipal Bond Yield Calculator
Compare a muni bond to a taxable bond on after-tax basis with in-state/out-of-state and NIIT.
Social Security Earnings Test Calculator
How much Social Security is withheld when you work before Full Retirement Age.
Social Security Survivor Benefits Calculator
Estimate monthly survivor benefits for a widow, widower or surviving child.
Social Security Spousal Benefits Calculator
Estimate the spousal benefit top-up, up to 50% of your spouse's PIA.
SSI Benefits Calculator
Estimate Supplemental Security Income after SSA income exclusions.
FERS Pension Calculator
Federal employee FERS basic annuity, survivor election and annuity supplement.
Treasury Bill Ladder Calculator
Staggered T-Bill ladder pricing, bond-equivalent yield and state tax savings.
TSP Withdrawal Calculator
Project Thrift Savings Plan installments, taxes, 20% withholding and how long the balance lasts.
Railroad Retirement Calculator
Estimate Tier I and Tier II railroad annuities using the RRB 0.7% service formula.
Deferred Compensation Withdrawal Calculator
Compare a lump sum against installments from a 457(b) or NQDC plan on an after-tax present-value basis.
ESOP Value Calculator
Value your employee stock ownership plan account, vested balance and projected distribution.
Inherited IRA 10-Year Rule Calculator
Plan inherited IRA withdrawals under the SECURE Act 10-year rule, including annual RMDs and tax impact.
Rule 72(t) SEPP Calculator
Substantially equal periodic payments under all three IRS methods to access retirement money before 59½.
Insurance
36 calculators
Car Insurance Calculator
Estimate US auto insurance premiums by state and driver profile.
Home Insurance Calculator
Estimate US homeowners insurance from dwelling coverage.
Disability Insurance Calculator
How much long-term disability coverage you need.
Life Insurance Calculator
Right life cover for your family and income.
Term Insurance Calculator
Ideal term plan sum assured.
Health Insurance Calculator
Health cover needs for family and age.
Retirement Insurance Calculator
Annuity payouts from a retirement corpus.
LIC Premium Calculator
Annual premium for LIC policies.
LIC Maturity Calculator
Maturity value of LIC endowment policies.
LIC Jeevan Anand Calculator
Premium and maturity for Jeevan Anand plan.
LIC Jeevan Umang Calculator
Premium and yearly payout for Jeevan Umang.
SBI Life Premium Calculator
Premium estimator for SBI Life policies.
HDFC Life Calculator
Premium and maturity for HDFC Life policies.
ICICI Prudential Calculator
Premium and maturity for ICICI Prudential.
Umbrella Insurance Calculator
Suggested umbrella coverage and premium range based on net worth.
Renters Insurance Calculator
Estimated annual renters insurance premium by contents and ZIP risk.
Long-Term Care Insurance Calculator
Long-term care premium estimate by age, gender, and daily benefit.
Flood Insurance Calculator
NFIP flood premium estimate by FEMA zone, dwelling and contents.
Earthquake Insurance Calculator
Earthquake premium by state risk band and dwelling deductible.
Pet Insurance Calculator
Monthly pet insurance cost by species, age, coverage and deductible.
Cyber Liability Insurance Calculator
Cyber policy premium for SMBs by revenue, records and industry.
Life Insurance Needs Calculator
DIME method: Debt + Income + Mortgage + Education − assets = coverage.
Condo Insurance Calculator (HO-6)
HO-6 walls-in, contents and liability premium estimate.
Motorcycle Insurance Calculator
Motorcycle premium by cc, rider age, state and driving record.
Boat Insurance Calculator
Boat premium by hull value, length, type and cruising waters.
Auto Insurance Deductible Calculator
Compare deductible tiers: annual savings and break-even years per III guidance.
Insurance Replacement Cost Calculator
Home rebuild cost with Coverage A/B/C/D defaults (Marshall & Swift).
Self-Insurance vs Traditional Calculator
Compare paying a premium vs investing it and retaining risk.
HSA vs PPO Calculator
Annual cost comparison of an HDHP+HSA against a traditional PPO plan.
Medicare Part B Premium Calculator
2025 Part B premium ($185 base) + IRMAA surcharges by MAGI and filing status.
Medicare Part D Cost Calculator
2025 Part D total monthly cost: private plan premium + IRMAA surcharge.
Medicare Part A Eligibility Calculator
Check whether you qualify for premium-free Part A and what the premium would be.
Medicare Late Enrollment Penalty Calculator
Lifetime Part B and Part D late enrollment penalties from months without coverage.
VA Disability Compensation Calculator
Combined VA rating using VA math plus 2025 tax-free monthly compensation.
VA Pension Eligibility Calculator
Estimate needs-based VA Veterans Pension against the 2025 MAPR limits.
COBRA Premium Cost Calculator
Full COBRA premium at 102% of plan cost, the jump versus your payroll deduction and the total over 18 months.
Tax
41 calculators
Income Tax Calculator
Annual income tax across regions.
Capital Gains Tax Calculator
Short and long-term capital gains tax.
GST Calculator
GST inclusive and exclusive amounts.
VAT Calculator
VAT inclusive and exclusive prices.
Sales Tax Calculator
Add or remove US sales tax from a price.
Freelancer Tax Calculator
Self-employment tax estimator.
HRA Exemption Calculator
House Rent Allowance tax exemption (India).
Gratuity Calculator
Gratuity payable on retirement (India).
Paycheck Calculator (US)
Take-home pay after federal, FICA, and state taxes.
Self-Employment Tax Calculator
15.3% SE tax (Social Security + Medicare) for freelancers and 1099 workers.
W-4 Withholding Calculator
Federal tax withheld per paycheck using 2025 IRS brackets.
Bonus Tax Calculator
IRS 22% supplemental method plus FICA and state on your bonus.
Estimated Quarterly Tax Calculator
IRS Form 1040-ES quarterly payment for self-employed filers.
Effective Tax Rate Calculator
Effective vs marginal federal tax rate on your income.
FICA Tax Calculator
Social Security + Medicare withholding, including SECA for self-employed.
Short-Term Capital Gains Calculator
Federal tax on assets held one year or less, stacked on ordinary income.
Long-Term Capital Gains Calculator
0% / 15% / 20% federal LTCG plus 3.8% NIIT on assets held over a year.
Alternative Minimum Tax (AMT) Calculator
2025 AMT exemption, 26/28% rates, and phase-out to see if you owe AMT.
State Income Tax Calculator
Top marginal state income tax across all 50 states plus DC (2025).
Payroll Tax Calculator
Employer-loaded cost: FICA match, FUTA and SUTA on top of gross wages.
Severance Pay Calculator
Weeks-of-pay severance with 22% supplemental federal, FICA and state withholding.
QBI (Section 199A) Deduction Calculator
20% qualified business income deduction with 2025 thresholds, SSTB and wage limits.
Home Office Deduction Calculator
Compare the $5/sq ft simplified method against the actual expense method.
Business Mileage Deduction Calculator
2025 IRS 70-cent standard mileage rate vs actual vehicle expenses.
Section 179 Deduction Calculator
First-year equipment expensing with 2025 limits, bonus depreciation and MACRS.
Retirement Tax Calculator
Federal tax on Traditional, Roth, Social Security and pension income.
Medicare IRMAA Calculator
2025 Part B and Part D IRMAA surcharges by MAGI and filing status.
FSA Calculator
Healthcare FSA tax savings under the 2025 IRS contribution limit.
Gift Tax Calculator
2025 annual exclusion, lifetime unified credit and Form 709 filing check.
Estate Tax Calculator
2025 federal estate tax with $13.99M exemption, portability, marital and charitable deductions.
Tax-Loss Harvesting Calculator
Federal tax saved by harvesting losses against gains and $3,000 of ordinary income.
RSU Tax Calculator
Federal, FICA, and state tax on vested RSUs with 22%/37% supplemental withholding.
Stock Options (ISO/NSO) Tax Calculator
ISO AMT preference vs. NSO ordinary income at exercise, with cost basis and FICA breakdown.
ESPP Gain Calculator
Qualified §423 ESPP: ordinary income vs. capital gain on qualifying and disqualifying dispositions.
Qualified Dividends Tax Calculator
2025 preferential 0/15/20% rates on qualified dividends plus 3.8% NIIT stacking.
Capital Loss Carryover Calculator
$3,000/yr ordinary offset under §1211(b) with ST/LT character preserved on carryforward.
Net Investment Income Tax (NIIT) Calculator
3.8% NIIT under IRC §1411 on the lesser of net investment income or MAGI over threshold.
Kiddie Tax Calculator
2025 Form 8615 tiers: $1,350 exempt, next $1,350 at child's rate, above $2,700 at parent's rate.
Home Sale Capital Gains Tax Calculator
Federal capital gains tax on a home sale with the IRC §121 $250k/$500k principal-residence exclusion.
Trust Distribution Calculator
Model trust distributions, distributable net income and what is taxable to beneficiaries versus the trust.
Net Unrealized Appreciation (NUA) Calculator
Compare the NUA election on employer stock against a straight IRA rollover, after tax.
Business
41 calculators
CAC Calculator
Customer acquisition cost from marketing spend.
LTV Calculator
Customer lifetime value for SaaS.
AI SaaS ROI Calculator
ROI on AI tools and SaaS subscriptions.
Salary Breakup Calculator
CTC to in-hand salary breakdown.
Freelancer Hourly Rate Calculator
What to charge per hour as a freelancer.
Freelancer Income Calculator
Annual net income from freelance work.
YouTube Income Calculator
Estimated YouTube ad revenue from views.
YouTube CPM Calculator
CPM/RPM earnings for YouTube channels.
Affiliate Commission Calculator
Affiliate revenue from traffic and conversion.
Break-Even Calculator
Units and revenue needed to cover fixed and variable costs.
Profit Margin Calculator
Gross, operating, and net profit margins from your P&L.
Business Valuation Calculator
Small-business valuation via revenue, EBITDA, and SDE multiples.
Cash Flow Calculator
Operating cash flow and free cash flow from your P&L and CapEx.
Payback Period Calculator
Simple and discounted payback period for a capital investment.
DSCR Loan Calculator
Debt-service coverage ratio for investment-property loans (no income doc).
Sales Commission Calculator
Tiered commission with quota accelerators, base salary and on-target earnings.
Salary vs Hourly Calculator
Convert hourly pay to annual salary (and back) with benefits and true hourly value.
Overtime Pay Calculator
FLSA time-and-a-half overtime pay, blended rate and weekly gross.
Vacation / PTO Payout Calculator
Gross and net payout of accrued unused PTO hours at separation.
Pay Raise Calculator
New salary, per-paycheck increase and inflation-adjusted real raise.
LLC vs Sole Proprietor Calculator
Compare take-home pay, self-employment tax and entity fees for an LLC vs sole proprietorship.
S-Corp Salary vs Distribution Calculator
Find FICA savings from splitting owner pay into reasonable salary and distributions.
1099 Contractor Take-Home Pay Calculator
Convert a contract hourly rate into real annual take-home after SE tax and expenses.
Invoice Late Fee Calculator
Late payment interest and flat fees with APR check against state usury caps.
Markup vs Margin Calculator
Convert between markup and margin and price products correctly.
Payment Processing Fee Calculator
Card processing fees, effective rate and the gross-up price to net your target.
NPV Calculator
Net Present Value of a project's cash flows discounted at your cost of capital.
IRR Calculator
Internal Rate of Return with Newton-Raphson solver and hurdle-rate check.
WACC Calculator
Weighted Average Cost of Capital blending equity and after-tax debt.
Working Capital Calculator
Working capital, current ratio and quick (acid-test) ratio.
Inventory Turnover Calculator
How many times inventory turns per year, from COGS and average inventory.
Inventory Days Calculator
Days Inventory Outstanding (DIO) and carrying-cost estimate.
EBITDA Calculator
EBITDA and EBITDA margin with top-down and bottom-up reconciliation.
Return on Assets (ROA) Calculator
Net income divided by average total assets — asset productivity metric.
Return on Equity (ROE) Calculator
Shareholder returns with DuPont 3-step decomposition.
ACH vs Wire Transfer Cost Calculator
True annual cost of ACH versus wire payments including float and FX spread.
ROI Calculator
Return on investment with net gain, annualized ROI and return multiple.
Invoice Total Calculator
Invoice subtotal, discount, sales tax, expenses, deposit and balance due.
Cost Per Hour Calculator
Break-even cost of an hour of your time plus the rate that hits your margin.
Work Hours Calculator
Time card hours between clock times, minus breaks, with overtime and gross pay.
Employee Cost Calculator
True cost of an employee with 2025 payroll taxes, benefits and burden rate.
Daily Life
8 calculators
Age Calculator
Exact age in years, months, days plus totals and your next birthday.
Date Difference Calculator
Days, weeks, months and business days between any two dates.
Time Duration Calculator
Hours and minutes between two times, with breaks and decimal payroll hours.
Countdown Calculator
Days, weeks and business days remaining until any target date.
Sleep Calculator
Best bedtimes and wake-up times based on 90-minute sleep cycles.
Tip Calculator
Tip amount, total and per-person share with tax and rounding options.
Discount Calculator
Sale price and savings for percent-off, stacked discounts and coupons.
Split Bill Calculator
Split any bill evenly with tax, tip and treated guests handled.
Productivity
7 calculators
Word Counter
Words, characters, sentences, paragraphs and reading time for any text.
Character Counter
Character counts against X, SMS, meta title and meta description limits.
Reading Time Calculator
How long an article takes to read at slow, average and fast speeds.
Speaking Time Calculator
Speech length from a script, with pace and pause allowances.
Text Case Converter
Convert text to Title Case, sentence case, camelCase, snake_case or a URL slug.
Image Aspect Ratio Calculator
Resize images without distortion and match standard social and video ratios.
Screen Time Calculator
Daily, weekly and yearly screen time and the share of your waking day.
AI Tools
3 calculators
AI Token Calculator
Estimate GPT-style token counts for any text and check context-window fit.
AI API Cost Calculator
Per-request, monthly and annual LLM API costs including prompt caching savings.
Prompt Length Calculator
Check whether your system prompt, turns and reply fit the context window.
Unit Conversion
15 calculators
Inches to Centimeters Converter
Convert inches to centimeters and back with an exact 2.54 factor.
Feet to Meters Converter
Convert feet to meters and meters to feet for height, rooms and lots.
Miles to Kilometers Converter
Convert miles to kilometers and back, including 5K and marathon distances.
Pounds to Kilograms Converter
Convert lbs to kg and kg to lbs with the exact avoirdupois factor.
Ounces to Grams Converter
Convert ounces to grams for recipes, baking and shipping weights.
Fahrenheit to Celsius Converter
Convert F to C and C to F for weather, fever and oven temperatures.
Celsius to Kelvin Converter
Convert Celsius to Kelvin and back for chemistry and gas law problems.
Gallons to Liters Converter
Convert US gallons to liters and back for fuel, water and tank volumes.
Cups to Milliliters Converter
Convert US cups to mL and back for recipes and baking measurements.
Square Feet to Square Meters Converter
Convert sq ft to m2 and back for homes, leases, flooring and paint.
MPH to KM/H Converter
Convert mph to km/h and back for speed limits, running and cycling.
Data Storage Converter (Bytes to TB)
Convert bytes, KB, MB, GB and TB in both decimal and binary units.
Minutes to Hours Converter
Convert minutes to decimal hours for payroll, timesheets and billing.
Seconds to Minutes Converter
Convert seconds to minutes, hours and hh:mm:ss timer format.
MPG to L/100km Converter
Convert US MPG to L/100 km, km/L and imperial MPG for any vehicle.
Mathematics
15 calculators
Scientific Calculator
Full expression scientific calculator with trig, logs, roots, powers and factorials.
Percentage Change Calculator
Percent increase or decrease between two values, plus percent difference.
Fraction Calculator
Add, subtract, multiply and divide fractions with simplified and mixed answers.
Fraction Simplifier
Reduce any fraction to lowest terms and see the greatest common divisor.
Decimal to Fraction Calculator
Convert decimals to exact fractions and fractions back to decimals.
Ratio Calculator
Simplify ratios and solve proportions with cross multiplication.
Average Calculator
Mean, sum, range and geometric mean for any list of numbers.
Mean Median Mode Calculator
Mean, median, mode, quartiles and interquartile range for a data set.
Standard Deviation Calculator
Sample or population standard deviation, variance and standard error.
Probability Calculator
Probability of A and B, A or B, neither and at least once over trials.
Scientific Notation Calculator
Convert between standard numbers, scientific notation and engineering notation.
Significant Figures Calculator
Count significant figures and round to sig figs or decimal places.
Exponent Calculator
Raise any base to any power, including negative and fractional exponents.
Square Root Calculator
Square roots in decimal and simplified radical form, plus cube and fourth roots.
Logarithm Calculator
Log of any base with ln, log base 10, log base 2 and change of base.
Student
7 calculators
Percentage Calculator
Common percentage problems, fast.
GPA Calculator
Weighted and unweighted GPA.
CGPA Calculator
Cumulative Grade Point Average.
Grade Calculator
Final grade from weighted assignments.
Attendance Calculator
Classes needed to reach an attendance target.
College Cost Calculator (USA)
Project total college cost with annual tuition inflation and enrollment years.
GI Bill Housing Allowance Calculator
Post-9/11 GI Bill Monthly Housing Allowance by tier and rate of pursuit.