Financial Tools
Free finance calculators that run entirely in your browser — mortgage and loan payments, compound interest, retirement and investment growth, salary conversions, ROI, sales tax and more. No data leaves your device.
Mortgage Calculator
Free mortgage calculator. Compute your monthly payment, total interest paid, and full amortization schedule for any home loan. Updated 2026.
Loan Calculator
Free loan calculator. Find monthly payment, total interest and amortization for personal, auto, student and business loans. Updated 2026.
Auto Loan Calculator
Free auto loan calculator. Compute your monthly car payment with sales tax, fees, down payment and trade-in value. Updated 2026.
Compound Interest Calculator
Free compound interest calculator. See your money grow with daily, monthly, quarterly or annual compounding. Updated 2026.
Simple Interest Calculator
Free simple interest calculator. Compute interest, total amount, and the difference vs. compound interest. Updated 2026.
Investment Calculator
Free investment calculator. Project portfolio growth with starting balance + monthly contributions over any time horizon. Updated 2026.
Savings Calculator
Free savings calculator. Reach a savings goal with regular monthly deposits — see required contribution, total interest and time to goal. Updated 2026.
Retirement Calculator
Free retirement calculator. Project your nest egg, see if you're on track, and find the monthly contribution needed to reach your goal. Updated 2026.
Salary Calculator
Free salary calculator. Convert between annual, monthly, weekly, daily and hourly pay with custom hours-per-week. Updated 2026.
ROI Calculator
Free ROI calculator. Compute return on investment as a percentage, plus annualized ROI when you supply a holding period. Updated 2026.
Discount Calculator
Free discount calculator. Find the sale price after a percent-off discount, or work out the actual percent off from before/after prices. Updated 2026.
Sales Tax Calculator
Free sales tax calculator. Add tax to a pre-tax price, or back-calculate the tax-exclusive price from a total. Updated 2026.
Amortization Calculator
Free amortization schedule calculator. See every month's interest, principal and remaining balance for any loan. Updated 2026.
Mortgage Payoff Calculator
Free mortgage payoff calculator. See how much you save in interest and how many years you cut off your loan with extra principal payments. Updated 2026.
Credit Card Payoff Calculator
Free credit card payoff calculator. See how long it takes to pay off a balance and how much interest you'll pay at any monthly payment level. Updated 2026.
Debt Payoff Calculator
Free debt payoff calculator. Compare the snowball (smallest balance first) and avalanche (highest rate first) methods across multiple debts. Updated 2026.
Rent vs. Buy Calculator
Free rent vs. buy calculator. Compare the long-term cost of renting against buying — including mortgage, taxes, maintenance and opportunity cost. Updated 2026.
House Affordability Calculator
Free home affordability calculator. Find the maximum home price you can afford based on income, debts, down payment and current rates. Updated 2026.
Budget Calculator
Free budget calculator. Apply the 50/30/20 rule to your income — needs, wants, and savings — or set custom percentages. Updated 2026.
Inflation Calculator
Free inflation calculator. Project future prices or compute the real purchasing power of money across years at any inflation rate. Updated 2026.
Refinance Calculator
Free mortgage refinance calculator. Compare your current mortgage to a refinance and see monthly savings, break-even month and lifetime interest saved. Updated 2026.
APR Calculator
Free APR calculator. Convert a quoted interest rate plus fees into the true Annual Percentage Rate — the apples-to-apples loan comparison number. Updated 2026.
Down Payment Calculator
Free down payment calculator. Find the down payment amount needed and how long it takes to save it from current savings + monthly contributions. Updated 2026.
Future Value Calculator
Free future value calculator. Compute the future worth of a lump sum, regular deposits, or both — at any rate over any period. Updated 2026.
Present Value Calculator
Free present value calculator. Compute today's worth of a future lump sum or stream of cash flows at any discount rate. Updated 2026.
Margin Calculator
Free profit margin calculator. Compute gross margin, markup, profit, or selling price from any two known values. Updated 2026.
Commission Calculator
Free sales commission calculator. Compute commission on a sale at a flat rate, plus tiered/accelerator commission on amounts above a threshold. Updated 2026.
Debt-to-Income Ratio Calculator
Free debt-to-income ratio (DTI) calculator. Compute front-end and back-end ratios — what lenders use to qualify mortgages, auto loans, and personal loans. Updated 2026.
CD Calculator
Free CD calculator. See total interest, final balance, and effective APY for any certificate of deposit term and compounding frequency. Updated 2026.
Lease Calculator
Free lease calculator. Compute monthly lease payment, total cost, and effective interest rate from price, residual value, money factor and term. Updated 2026.
Auto Lease Calculator
Free auto lease calculator. Compute monthly car lease payment with sales tax, money factor, residual, down payment and trade-in. Updated 2026.
Depreciation Calculator
Free depreciation calculator. Compute asset depreciation using straight-line, declining-balance, or sum-of-years-digits methods with a year-by-year schedule. Updated 2026.
Payback Period Calculator
Free payback period calculator. Compute how long it takes to recover an initial investment from periodic cash flows — even or uneven. Updated 2026.
IRR Calculator
Free IRR calculator. Compute the internal rate of return for any series of cash flows — investments, projects, real estate. Updated 2026.
Annuity Calculator
Free annuity calculator. Solve for future value, present value, or payment of an annuity (regular cash flows over time). Updated 2026.
Bond Calculator
Free bond calculator. Compute bond price, yield to maturity, current yield and duration from face value, coupon, term and market rate. Updated 2026.
Real Estate Calculator
Free real estate investment calculator. Compute cap rate, cash-on-cash return, gross rent multiplier and NOI for any rental property. Updated 2026.
Rental Property Calculator
Free rental property calculator. Detailed monthly + annual cash flow with vacancy, repairs, capex, management and HOA — plus 5-year ROI projection. Updated 2026.
College Cost Calculator
Free college cost calculator. Project total 4-year cost with tuition inflation and find the monthly savings needed to fund it. Updated 2026.
Average Return Calculator
Free average return calculator. Compute arithmetic mean, geometric mean (CAGR), and the difference between them across any series of returns. Updated 2026.
Cash Back or Low Interest Calculator
Free auto rebate calculator. Compare a cash-back rebate at standard APR against a manufacturer's low/0% APR financing — see which saves more total. Updated 2026.
Mutual Fund Calculator
Free mutual fund calculator. Project growth net of expense ratio + load fees. See how much fees actually cost you over decades. Updated 2026.
VAT Calculator
Free VAT calculator. Add VAT to a net price or back-calculate the net amount from a gross total. Works for any country's VAT rate. Updated 2026.
Repayment Calculator
Free repayment calculator. Solve how long it takes to pay off any balance at any monthly payment, with extra-payment scenarios. Updated 2026.
Interest Rate Calculator
Free interest rate calculator. Solve for the APR given loan amount, monthly payment and term — useful when only the payment is quoted. Updated 2026.
Annuity Payout Calculator
Free annuity payout calculator. Compute the periodic payout from any annuity balance over a fixed term or for life. Updated 2026.
Debt Consolidation Calculator
Free debt consolidation calculator. Compare your existing debts against a single consolidation loan — see if consolidating saves money. Updated 2026.
Student Loan Calculator
Free student loan calculator. Compute monthly payment and total interest under standard, extended, and income-driven repayment scenarios. Updated 2026.
Pension Calculator
Free pension calculator. Estimate monthly pension income from years of service, final salary, and a benefit factor — for defined-benefit plans. Updated 2026.
Home Equity Loan Calculator
Free home equity loan calculator. Compute maximum loan amount based on home value, mortgage balance, and lender LTV cap — plus monthly payment. Updated 2026.
HELOC Calculator
Free HELOC calculator. Compute maximum credit line, draw period interest-only payments, and repayment-period principal+interest payments. Updated 2026.
Personal Loan Calculator
Free personal loan calculator. Compute monthly payment, total interest, and impact of origination fees for unsecured personal loans. Updated 2026.