LoanCrunch
Free loan & mortgage calculators that show the math.
Calculators
Estimate your monthly mortgage payment and see a full amortization schedule of principal vs interest.
Auto Loan CalculatorWork out the monthly payment and total interest on a car loan, including trade-in and down payment.
Personal Loan CalculatorCalculate the fixed monthly payment, total interest and total cost of a personal loan.
Debt Payoff Calculator (Snowball vs Avalanche)Compare the debt snowball and debt avalanche methods to see which clears your debts faster and cheaper.
Extra Payment Payoff CalculatorSee how much time and interest you save by adding extra to your monthly loan or mortgage payment.
APR vs APY Calculator & ExplainerConvert between APR and APY for any compounding frequency and understand the difference.
Latest from the blog
How much house you can afford: the 28/36 rule, how lenders use your debt-to-income ratio, and a worked example showing the price a given income supports.
2026-06-14 APR vs APY: What's the Difference (and Which Is Higher)?APR vs APY explained simply: what each rate means, why APY is always higher, how to convert between them, and which one lenders and banks quote.
2026-06-14 Debt Snowball vs Avalanche: Which Pays Off Debt Faster?Debt snowball vs avalanche compared: which method clears debt fastest and cheapest, the math behind each, and how to choose the right one for you.
2026-06-14What this site is
LoanCrunch publishes fast, free, genuinely-useful calculators for the loan and mortgage calculators space — mortgages, auto and personal loans, debt payoff and interest-rate math. Every calculator runs in your browser, shows the formula it uses, and stores nothing. Figures are estimates for general education, not financial advice; see our methodology and disclaimer.