Financial tools
Financial Calculators
Choose a calculator below. Each page uses the shared calculator engine, responsive layout, result copy, reset controls, formulas, and structured data.
Mortgage & Real Estate
Mortgage Calculator
Estimate mortgage payments, total interest, and payoff cost.
Mortgage Payoff Calculator
Estimate how extra payments reduce mortgage payoff time.
House Affordability Calculator
Estimate affordable home price from income and debt.
Rent Calculator
Estimate affordable rent from income and target rent ratio.
Real Estate Calculator
Estimate real estate investment profit and ROI.
Refinance Calculator
Estimate refinance savings and break-even time.
Rental Property Calculator
Estimate rental property cash flow and cap rate.
FHA Loan Calculator
Estimate FHA mortgage payment with mortgage insurance.
VA Mortgage Calculator
Estimate VA mortgage payment including funding fee.
Home Equity Loan Calculator
Estimate home equity loan payment.
HELOC Calculator
Estimate interest-only HELOC payment.
Down Payment Calculator
Calculate required down payment and loan amount.
Rent vs. Buy Calculator
Compare estimated renting and buying costs.
Mortgage Calculator US
Estimate a US-style mortgage payment.
Mortgage Calculator UK
Estimate a UK-style repayment mortgage.
Canadian Mortgage Calculator
Estimate Canadian mortgage payments.
Mortgage Amortization Calculator
Estimate amortized mortgage payment and interest.
Loans & Debt
Loan Calculator
Calculate fixed loan payment, total repayment, and interest.
Payment Calculator
Find payment amount, total cost, and interest for a fixed balance.
Amortization Calculator
Estimate loan payment and amortized interest cost.
Repayment Calculator
Estimate repayment amount and total interest.
Debt-to-Income Ratio Calculator
Calculate debt-to-income ratio.
Personal Loan Calculator
Estimate personal loan payment and total interest.
Boat Loan Calculator
Estimate boat loan payments.
APR Calculator
Estimate APR including finance charges.
Auto & Lease
Interest & Investment
Interest Calculator
Calculate simple and compound interest growth.
Investment Calculator
Project investment growth with recurring contributions.
Finance Calculator
Calculate present value, future value, rate, and payment estimates.
Compound Interest Calculator
Calculate compound growth with monthly deposits.
Interest Rate Calculator
Estimate the annual rate implied by present and future values.
Savings Calculator
Project savings growth from deposits and interest.
Annuity Calculator
Calculate future value of a payment stream.
Annuity Payout Calculator
Estimate payout from an annuity balance.
Simple Interest Calculator
Calculate simple interest over time.
CD Calculator
Estimate certificate of deposit maturity value.
Bond Calculator
Estimate bond value from face value, coupon, yield, and years.
Mutual Fund Calculator
Project mutual fund growth after expense ratio.
Present Value Calculator
Calculate present value of a future amount.
Future Value Calculator
Calculate future value of a present amount.
Retirement
Retirement Calculator
Project retirement savings at a chosen retirement age.
401K Calculator
Estimate 401K growth with employee and employer contributions.
Pension Calculator
Estimate monthly pension payout from balance and payout years.
Social Security Calculator
Estimate Social Security benefit adjustments by claiming age.
Roth IRA Calculator
Estimate Roth IRA growth.
IRA Calculator
Estimate IRA balance at retirement.
RMD Calculator
Estimate required minimum distribution.
Converters & Rates
Tax & Inflation
Inflation Calculator
Estimate purchasing power after inflation.
Income Tax Calculator
Estimate income tax and take-home pay from a flat tax rate.
Sales Tax Calculator
Calculate sales tax and total price.
Marriage Tax Calculator
Compare separate and combined income tax estimates.
Estate Tax Calculator
Estimate taxable estate and estate tax.
VAT Calculator
Add or remove value-added tax.
Income & Salary
Credit Cards & Debt
Credit Card Calculator
Estimate credit card payoff time and interest.
Credit Cards Payoff Calculator
Calculate payoff timeline from balance, APR, and payment.
Debt Payoff Calculator
Estimate debt payoff time and interest.
Debt Consolidation Calculator
Compare current debt payments with a consolidation loan.
Education
Business & ROI
Depreciation Calculator
Calculate straight-line depreciation.
Average Return Calculator
Calculate average annual return.
Margin Calculator
Calculate margin, markup, profit, and revenue.
Business Loan Calculator
Estimate business loan payment and interest.
IRR Calculator
Estimate internal rate of return from simple cash flows.
ROI Calculator
Calculate return on investment.
Payback Period Calculator
Calculate time needed to recover an investment.