Money, planning & growth
Finance calculators for smarter money moves.
Free online financial calculators for mortgages, loans, investing, budgeting, debt payoff, taxes, and everyday money decisions. Get a clear result without the spreadsheet headache.
Popular finance calculators
- Mortgage CalculatorCalculate monthly mortgage payments including taxes and insuranceMortgages & home buying
- Compound Interest CalculatorSee how compound interest grows your savings over timeSaving & investing
- Loan CalculatorCalculate monthly payments for personal, auto, or business loansLoans & debt
- Currency ConverterLive exchange rates for 30 major currencies (European Central Bank)Currency & crypto
45 calculators
Mortgages & home buying
5- Mortgage CalculatorCalculate monthly mortgage payments including taxes and insurance
- Home Affordability CalculatorHow much house you can afford using the 28/36 rule with the full payment breakdown
- Mortgage Refinance CalculatorMonthly savings, break-even month, and lifetime savings for any refinance
- Mortgage Payoff CalculatorHow much sooner you pay off your mortgage, and the interest you save, with extra payments
- DTI CalculatorDebt-to-income ratios scored against 28/36, FHA, VA, and conventional limits
Loans & debt
10- Loan CalculatorCalculate monthly payments for personal, auto, or business loans
- Amortization CalculatorMonthly payment and a full month-by-month amortization schedule for any loan
- Car Payment CalculatorEstimate your monthly auto loan payment with trade-in and tax
- Boat Loan CalculatorMonthly payment, amount financed, and total interest on a boat loan
- RV Loan CalculatorMonthly payment, amount financed, and total interest on an RV or camper loan
- Loan Comparison CalculatorCompare two loan offers by payment, total cost, and APR
- Student Loan CalculatorCalculate student loan payments and compare repayment plans
- Credit Card Payoff CalculatorSee your payoff date and total interest cost for any credit card
- Debt Payoff CalculatorCompare avalanche vs. snowball strategies to pay off debt faster
- Simple Interest CalculatorCalculate simple interest using SI = P × r × t
Saving & investing
8- Compound Interest CalculatorSee how compound interest grows your savings over time
- Savings Goal CalculatorFind out how much to save each month to reach your goal
- Emergency Fund CalculatorCalculate how much emergency savings you need and when you'll reach it
- CD CalculatorCertificate of deposit growth at any APY, with early-withdrawal penalty math
- Rule of 72 CalculatorYears to double your money — the shortcut plus the exact answer
- Inflation CalculatorDollar value between any two years (1913–2025) with official BLS CPI data
- Stock Average CalculatorAverage cost per share, break-even, and gain across purchases
- Net Worth CalculatorAssets minus debts, with home equity, liquid net worth, and allocation
Retirement
5- Retirement CalculatorProject your nest egg and see how much more to save for your income goal
- 401(k) CalculatorProject 401(k) growth with employer matching and 2026 IRS limits
- Roth IRA CalculatorTax-free Roth IRA growth to retirement, with 2026 contribution limits and income phase-out
- FIRE CalculatorYour FI number, years to financial independence, and Coast FI threshold
- Teacher Pension CalculatorEstimate your defined-benefit pension from years, multiplier, and final average salary
Income, pay & tax
7- Take-Home Pay CalculatorHourly or salary to net paycheck with 2026 federal tax brackets and FICA
- Salary ConverterConvert between hourly, weekly, monthly, and annual pay in both directions
- Overtime Pay CalculatorCalculate time-and-a-half, double time, and annual overtime earnings
- Nurse Overtime CalculatorOvertime pay with night, weekend, and charge differentials included
- Time Card CalculatorClock in/out times to total hours, overtime split, and pay
- Military BAH CalculatorBudget your housing allowance and see the tax-free value of BAH
- Sales Tax CalculatorAdd tax, reverse it out of a total, or find the rate — with 2026 state rates
Everyday money
3Education costs
3Currency & crypto
4- Currency ConverterLive exchange rates for 30 major currencies (European Central Bank)
- Historical Exchange Rate CalculatorExchange rates on any past date back to 1999 (ECB data)
- Crypto ConverterLive Bitcoin and crypto prices — convert coins to fiat or each other
- Crypto Profit CalculatorLive unrealized profit/loss, ROI, and break-even on a crypto position
Finance calculator FAQ
- Which finance calculator should I start with?
- Start with the decision in front of you. Use the mortgage or home affordability calculator for buying a home, the loan or car payment calculator for borrowing, the debt payoff or credit card payoff calculator for paying debt down, and the compound interest, 401(k), or retirement calculator for growing savings.
- Are the results financial advice?
- No. Every finance calculator produces an estimate from the inputs and assumptions you enter. Lenders, taxes, fees, and market returns can differ, so treat the result as a planning starting point and confirm important decisions with a qualified professional.
- How current are the tax and limit figures?
- Calculators that depend on published figures — tax brackets, retirement contribution limits, or allowance tables — state the year they use, and the data is updated when the issuing agency publishes new numbers. Each page shows when it was last reviewed.