Finance Calculators
20 free calculators for mortgages, loans, salary, savings, debt payoff, retirement, and investments. All formulas match what banks use.
Mortgage Calculator
Monthly payment with property tax, insurance, PMI, HOA.
Open →Loan Calculator
Personal loan monthly payment and total interest with amortization.
Open →Auto Loan Calculator
Car payment with sales tax, fees, and trade-in equity.
Open →Credit Card Payoff
Months to pay off and savings vs minimum payment.
Open →Savings Goal
How much to save monthly to reach your financial goal.
Open →Retirement Calculator
Nest egg with inflation, Social Security, and 4% safe withdrawal.
Open →Compound Interest
Future value with monthly contributions and year-by-year breakdown.
Open →ROI Calculator
Total return on investment with CAGR (annualized return).
Open →Inflation Calculator
CPI-adjusted historical prices and future purchasing power.
Open →Salary Calculator
Hourly ↔ yearly, monthly, bi-weekly. Plan your paycheck.
Open →APR / APY Calculator
Convert APR to APY with daily, monthly, or quarterly compounding.
Open →Amortization Calculator
Full amortization schedule with monthly balance chart.
Open →Rent vs Buy Calculator
5-year total cost of renting vs buying a home.
Open →Budget Calculator
50/30/20 rule breakdown from your take-home pay.
Open →Tip Calculator
Calculate tip and split the bill among any number of people.
Open →Refinance Calculator
Monthly savings and break-even month when refinancing.
Open →Dividend Reinvestment (DRIP)
Year-by-year portfolio growth with reinvested dividends.
Open →Bond Yield Calculator
YTM, current yield, and total return for any bond.
Open →Emergency Fund Calculator
Recommended 3, 6, or 12-month emergency fund size.
Open →Debt Payoff (Snowball / Avalanche)
Compare strategies side by side with total time and interest.
Open →About finance calculators
All calculators use standard financial formulas (amortization, compound interest, present value, YTM, etc.) and produce the same numbers your bank would. For binding decisions, verify with your official statement. None of the inputs are transmitted to any server — calculations happen in your browser.
How to pick the right one
- Buying a home? Start with Mortgage Calculator, then Refinance Calculator if rates drop.
- Paying off debt? Use Debt Payoff to compare snowball vs avalanche strategies.
- Building wealth? Compound Interest + Dividend Reinvestment show the long-term power of time.
- Retirement planning? Retirement Calculator + Bond Yield for income allocation.