EVERY MORTGAGE DECISION · WITH THE MATH SHOWN

Mortgage Calculators

Every money decision about your home loan — the biggest number you'll ever work with. Calculate payment, affordability, refinance, PMI. Free, no signup.

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Most people start here
Updated May 8, 2026 · CFPB · Freddie Mac PMMS

  • Mortgage Payment Calculator

    Free online mortgage payment calculator.

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  • Mortgage Affordability Calculator

    Free online mortgage affordability calculator.

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  • Refinance Savings Calculator

    Free online refinance savings calculator.

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  • Mortgage Payoff Calculator

    Free online mortgage payoff calculator.

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A 30-year mortgage at 6.82% on a $400k home costs you $1.04M over the life of the loan — more than 2.5× the purchase price. Every calculator here uses the standard amortization formula (CFPB-documented), current Freddie Mac PMMS rates, and the 2026 FHFA conforming loan limit ($806,500). We cite the primary sources, not secondhand summaries.

  • Mortgage Payment Calculator

    Free online mortgage payment calculator.

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  • Home Appreciation Calculator

    Free online home appreciation calculator.

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  • Rent vs Buy Calculator

    Free online rent vs buy calculator.

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  • Mortgage Affordability Calculator

    Free online mortgage affordability calculator.

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  • Extra Mortgage Payment Calculator

    Free online extra mortgage payment calculator.

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  • Refinance Savings Calculator

    Free online refinance savings calculator.

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  • PMI Removal Calculator

    Free online pmi removal calculator.

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  • HELOC Calculator

    Free online heloc calculator.

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  • Investment Property ROI Calculator

    Free online investment property roi calculator.

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  • Down Payment Savings Calculator

    Free online down payment savings calculator.

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  • Home Renovation ROI Calculator

    Free online home renovation roi calculator.

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  • Climate Migration Cost Calculator

    Free online climate migration cost calculator.

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  • House Hacking Calculator

    Free online house hacking calculator.

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  • Airbnb Calculator

    Free online airbnb calculator.

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  • Title Insurance Calculator

    Free online title insurance calculator.

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  • Land Transfer Tax Calculator

    Free online land transfer tax calculator.

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  • Home Warranty Calculator

    Free online home warranty calculator.

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  • Property Management Fee Calculator

    Free online property management fee calculator.

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  • Closing Cost Calculator

    Free online closing cost calculator.

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  • Cap Rate Calculator

    Free online cap rate calculator.

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  • Home Equity Calculator

    Free online home equity calculator.

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  • HELOC Payment Calculator

    Free online heloc payment calculator.

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  • Mortgage Payoff Calculator

    Free online mortgage payoff calculator.

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  • Payoff Mortgage vs Invest Calculator

    Free online payoff mortgage vs invest calculator.

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  • Property Tax Calculator

    Free online property tax calculator.

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  • Property Tax Estimator

    Free online property tax estimator.

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  • Property Tax Estimator Calculator

    Free online property tax estimator calculator.

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  • Real Estate Commission Calculator

    Free online real estate commission calculator.

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  • Rent Affordability Calculator

    Free online rent affordability calculator.

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  • Rental Property ROI Calculator

    Free online rental property roi calculator.

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  • Average Rent Calculator

    Free online average rent calculator.

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  • Stamp Duty Calculator

    Free online stamp duty calculator.

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  • Mortgage Payoff Calculator

    Free online mortgage payoff calculator.

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  • Home Affordability Calculator

    Free online home affordability calculator.

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  • Mortgage Refinance Calculator

    Free online mortgage refinance calculator.

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Written and maintained by Jere Salmisto, Founder, CalcFi. Updated May 8, 2026.

Formulas and data sourced from CFPB mortgage guidance, Freddie Mac Primary Mortgage Market Survey, and US Treasury yield curve. Methodology at /about/editorial. Published by CalcFi Editorial.

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