Is this mortgage calculator free?

Yes, completely free with no signup required. All calculations run in your browser.

Does my data leave my device?

No. Your home price and financial details never leave your device.

Does it work on mobile?

Yes. The mortgage calculator is mobile-first and works on iPhone Safari and Android Chrome.

What is included in the monthly payment?

This calculator shows principal and interest only. Real mortgage payments also include property tax and homeowner's insurance. Add $300–600/month for taxes and insurance in your budget.

Is a 15-year or 30-year mortgage better?

A 15-year mortgage costs significantly less total interest but has higher monthly payments. A 30-year mortgage has lower monthly payments, giving more cash flow flexibility. The 15-year is mathematically superior if you can afford the payments.

Mortgage Calculator

Estimate monthly mortgage payments, total interest, and full cost from price, rate, and term.

100% client-side · no upload

Home Price ($) Down Payment ($) Annual Interest Rate (%) Loan Term (years)

How to use

Enter the home price and your down payment amount.
Input the annual interest rate offered by your lender.
Set your loan term in years — 15 or 30 years are most common.

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More ways to use this tool

Frequently Asked Questions

Is this mortgage calculator free?: Yes, completely free with no signup required. All calculations run in your browser.
Does my data leave my device?: No. Your home price and financial details never leave your device.
Does it work on mobile?: Yes. The mortgage calculator is mobile-first and works on iPhone Safari and Android Chrome.
What is included in the monthly payment?: This calculator shows principal and interest only. Real mortgage payments also include property tax and homeowner's insurance. Add $300–600/month for taxes and insurance in your budget.
Is a 15-year or 30-year mortgage better?: A 15-year mortgage costs significantly less total interest but has higher monthly payments. A 30-year mortgage has lower monthly payments, giving more cash flow flexibility. The 15-year is mathematically superior if you can afford the payments.

Last updated: 2026-05-20 By jarvisbox