Financial Calculators
Mortgage, loan, interest, investment, retirement, tax and budgeting calculators with amortization schedules and charts.
Mortgage CalculatorMonthly payment with taxes, insurance, PMI and a full amortization schedule.Loan CalculatorMonthly payment, total interest and repayment schedule for any fixed-rate loan.Auto Loan CalculatorCar payment with sales tax, fees, down payment and trade-in.Compound Interest CalculatorGrow savings with any compounding frequency and monthly contributions.Simple Interest CalculatorInterest on principal only using I = P × r × t.Interest CalculatorInterest earned with deposits, tax on interest and inflation.Payment CalculatorSolve for a loan's monthly payment or its payoff time.Amortization CalculatorMonth-by-month schedule with extra monthly, yearly or one-time payments.Investment CalculatorProject investment growth with contributions and annual increases.Retirement CalculatorHow much you'll have, how much you need, and how long it lasts.Inflation CalculatorFuture cost and purchasing power at an average inflation rate.Income Tax CalculatorUS federal (2025/2026) and UK (2025/26) income tax with brackets.Salary CalculatorConvert hourly, weekly, monthly and annual pay.Take-Home Paycheck CalculatorUS paycheck after federal tax, FICA, state tax and 401(k).Sales Tax CalculatorAdd sales tax to a price or remove it from a total.Savings Goal CalculatorHow much to save each month to reach a goal.Credit Card Payoff CalculatorMonths to pay off a card, or the payment to be debt-free by a date.Debt Payoff CalculatorSnowball or avalanche plan for multiple debts.Debt-to-Income Ratio CalculatorFront-end and back-end DTI ratios lenders use.ROI CalculatorReturn on investment, total and annualized.APR CalculatorTrue loan cost including fees as an annual rate.Present Value CalculatorWhat future money is worth today at a discount rate.Future Value CalculatorFuture value of a lump sum plus periodic payments.Rent vs. Buy CalculatorCompare net worth from buying a home versus renting.Budget CalculatorSplit income with the 50/30/20 rule or your own percentages.Auto Lease CalculatorLease payment from residual value and money factor.Business Loan CalculatorPayments and effective APR with origination fees.Discount CalculatorSale price after percent or amount off, including stacked discounts.Margin CalculatorGross margin, markup and the price for a target margin.VAT CalculatorAdd or remove VAT/GST at any rate.
About Financial Calculators
Financial calculators help you compare loans, plan savings and understand the true cost of borrowing. Each tool uses standard time-value-of-money formulas with high-precision decimal arithmetic, shows month-by-month or year-by-year breakdowns, and supports multiple currencies. Results are estimates; lenders, tax authorities and financial products may apply additional rules and fees.