Free Mortgage Calculators
Type in your numbers and get an answer in about ten seconds. Everything runs in your browser, so nothing you enter leaves this device.
- No account, no email required to see a result.
- Fixed-rate loan maths, with the assumptions written down.
- Built for a phone first — big inputs, readable results.
- Mortgage Payoff CalculatorPayoff date, total interest and what an extra payment saves.
- Mortgage Payment CalculatorEnter a loan amount, interest rate and term to get the monthly payment, total interest and full cost.
- Down Payment CalculatorSee the cash you need at closing, the loan it leaves behind and the payment that follows.
- Amortization CalculatorSee how each mortgage payment splits between interest and principal, plus your payoff date and total interest.
- Refinance Break-Even CalculatorEnter closing costs and your old and new payments to see how many months until refinancing pays for itself.
- Mortgage Recast CalculatorSee your new monthly payment after a lump sum recast, and how much the payment drops.
- Property Tax CalculatorTurn an assessed home value and a local tax rate into an annual and monthly property tax number.
- How Much House Can I Afford?Enter income, down payment, rate, term and your comfort zone to estimate the house price you can carry.
- Rent vs Buy CalculatorA rent vs buy comparison from your own numbers: month-one cost and total cost across your stay, with rent growth, upkeep and investment return.
- PMI CalculatorWork out the monthly private mortgage insurance below 20% down, how long it runs and what it costs in total.
Browse all mortgage calculators →
Last updated October 9, 2026. Every figure is an estimate produced in your browser — see the methodology and its limits.