Financial calculators that are fast, clear and accurate
Work out a mortgage payment, your 2026 take-home pay, how much to save for retirement and more. Every calculator shows its formula, cites its sources and gives you a link to share your results.
- Instant results, no sign-up
- Formulas and sources on every page
- Updated for 2026 tax rules
- Calculations run in your browser
Popular calculators
- Mortgage Calculator Monthly house payment (PITI) with taxes, insurance, PMI, HOA and extra payments.
- Paycheck Calculator Take-home pay per paycheck after 2026 federal, state and FICA taxes.
- Income Tax Calculator 2026 federal and state income tax, effective rate and refund estimate.
- Salary Calculator Convert pay between hourly, weekly, monthly and annual amounts.
- Auto Loan Calculator Monthly car payment with sales tax, fees, trade-in and rebates.
- Compound Interest Calculator Growth of savings with compounding and regular contributions.
- Retirement Calculator Retirement savings target, on-track check and sustainable withdrawals.
- House Affordability Calculator Maximum home price you can afford based on income, debts and DTI rules.
Mortgage & Real Estate
Monthly payments, affordability, refinancing and the rent-or-buy decision.
- Mortgage Calculator Monthly house payment (PITI) with taxes, insurance, PMI, HOA and extra payments.
- House Affordability Calculator Maximum home price you can afford based on income, debts and DTI rules.
- Amortization Calculator Month-by-month amortization schedule with extra payments.
- Refinance Calculator New payment, monthly savings and break-even month for a mortgage refinance.
- Rent vs. Buy Calculator Net cost of renting versus buying a home over your time horizon.
- Debt-to-Income (DTI) Ratio Calculator Front-end and back-end DTI ratio compared with lender limits.
Loans & Debt
Car loans, personal loans, payments, interest rates and paying off debt.
- Loan Calculator Payments and interest for amortized loans, deferred loans and bonds.
- Auto Loan Calculator Monthly car payment with sales tax, fees, trade-in and rebates.
- Payment Calculator Monthly payment for a fixed term, or payoff time for a fixed payment.
- Interest Rate Calculator The real interest rate of a loan from its amount, payment and term.
- Credit Card Payoff Calculator Months to pay off a credit card and the interest you will pay.
Investing & Retirement
Compound growth, investment returns, retirement savings, 401(k) and inflation.
- Compound Interest Calculator Growth of savings with compounding and regular contributions.
- Investment Calculator Future value of an investment, or what you need to reach a goal.
- Interest Calculator Interest earned with deposits, taxes and inflation; simple vs. compound.
- Retirement Calculator Retirement savings target, on-track check and sustainable withdrawals.
- 401(k) Calculator 401(k) balance at retirement with employer match and 2026 limits.
- Finance Calculator (TVM) Solve for FV, PV, PMT, N or I/Y like a financial calculator.
- Inflation Calculator Buying power of the dollar since 1913 using official CPI data.
Taxes & Income
2026 federal and state income tax, take-home pay, salary conversion and sales tax.
- Income Tax Calculator 2026 federal and state income tax, effective rate and refund estimate.
- Paycheck Calculator Take-home pay per paycheck after 2026 federal, state and FICA taxes.
- Salary Calculator Convert pay between hourly, weekly, monthly and annual amounts.
- Sales Tax Calculator Price before/after sales tax with 2026 rates for every state.
- No Tax on Overtime Calculator Federal deduction and tax savings on qualified overtime pay (2025–2028).
- No Tax on Tips Calculator Federal deduction and tax savings on qualified tips (2025–2028).
No calculator matches your search. Browse all calculators.
Why use SureCalcs?
We build each calculator around the questions people actually ask — “How much house can I afford?”, “What is my take-home pay?”, “Am I saving enough to retire?” — and answer them with transparent math. Results appear as you type, the formula and assumptions are explained under every tool, and figures such as tax brackets and contribution limits come from official sources like the IRS and the Social Security Administration.
The calculations run in your browser, and we don’t collect the numbers you type. Read how we calculate and our editorial policy to see how we keep the numbers right.