Free Financial Calculators
Our free financial calculators help you make smarter money decisions — from estimating your mortgage payment before you visit a lender, to planning your retirement savings, understanding the true cost of a loan, or figuring out your federal tax refund. Every calculator is completely free, requires no signup, and delivers instant results based on standard financial formulas.
All financial calculators
Mortgage Calculator
Monthly payment, taxes, insurance, PMI, and amortization schedule
Try it freeAuto Loan Calculator
Car payment, total interest, trade-in, tax, and dealer fees
Try it freePayment Calculator
Loan payment from amount, rate, and term — any fixed-rate loan
Try it freeAmortization Calculator
Principal vs interest over time and payoff balance by month
Try it freeLoan Payoff Calculator
Payoff date and savings when you add extra toward principal
Try it freeRetirement Savings Calculator
Project balance with contributions and see if you are on track
Try it freeCredit Card Payoff Calculator
Payoff time and interest cost — compare minimum vs extra payments
Try it freeInterest Calculator
Simple and compound interest; growth and future value
Try it freeCompound Interest Calculator
APR vs APY, compounding frequency, and growth over time
Try it freeInterest Rate Calculator
Solve for rate when you know payment, term, and loan amount
Try it freeInvestment Calculator
Growth with optional recurring contributions and return rate
Try it freeInflation Calculator
CPI-based value of money across years — historical US data
Try it freeFinance Calculator
Time value of money: PV, FV, payment, rate, or periods
Try it freeIncome Tax Calculator
Federal estimate using current brackets — refund or amount owed
Try it freeSalary Calculator
Convert hourly ↔ salary and see pay across common pay periods
Try it freeSales Tax Calculator
State reference rates and quick tax-on-price calculations
Try it freePlan your finances with confidence
Money decisions are some of the most consequential decisions most people make. A mortgage you take on today affects your monthly budget for the next 15 to 30 years. The interest rate on a car loan determines how much you actually pay for that vehicle. Whether you're saving enough for retirement shapes your quality of life decades from now.
Good financial decisions start with understanding the numbers — and that's exactly what these calculators help you do. Enter your specific situation, get your specific numbers, and make decisions based on facts rather than guesswork.
What our financial calculators cover
Mortgages and real estate
Our Mortgage Calculator estimates your complete monthly housing cost including principal, interest, property taxes, and insurance. The Amortization Calculator shows exactly how your balance decreases over time and how much of each payment goes toward interest vs principal. The Interest Rate Calculator helps you find the true rate on any loan when only the payment is disclosed.
Loans and debt
The Payment Calculator handles fixed-rate loan scenarios. The Loan Payoff Calculator shows your payoff timeline and how extra payments accelerate your path to debt freedom. The Credit Card Payoff Calculator reveals the true cost of minimum payments and shows the fastest path to eliminating credit card debt. The Auto Loan Calculator includes trade-in value, sales tax, and dealer fees for a complete purchase cost picture.
Savings and investments
The Investment Calculator projects how any investment grows over time with optional regular contributions. The Compound Interest Calculator shows how compounding frequency affects your actual returns and converts between APR and APY. The Retirement Savings Calculator projects your retirement balance and tells you whether you're on track.
Taxes and income
The Income Tax Calculator estimates your federal tax refund or amount owed using current tax brackets. The Salary Calculator converts any wage between hourly, daily, weekly, biweekly, monthly, and annual equivalents. The Sales Tax Calculator provides rates for all 50 US states.
Economic tools
The Inflation Calculator uses historical US CPI data to show what any dollar amount from any year is worth in today's dollars or any other year. The Finance Calculator is the universal time-value-of-money tool for solving present value, future value, payment, rate, and period calculations.
Our financial calculators are used by homebuyers estimating mortgage payments, borrowers comparing loan offers, investors projecting portfolio growth, taxpayers estimating refunds, and anyone who needs accurate financial numbers quickly. All calculators use standard formulas consistent with those used by financial professionals. Results are estimates for planning purposes — always consult a licensed financial advisor for decisions involving significant amounts of money.
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