Mortgage Calculators & Tools

Every RateFig calculator in one place — payments, refinance, affordability, DTI, APR, and rent vs buy.

All tools are free, private, and require no registration. Pick a calculator below, or read a related guide to understand the math before you run your own numbers.

Updated 2026. Educational reference only — not financial, tax, or legal advice. Verify any figure with the primary source or a licensed professional before acting.

Disclaimer:

All calculations are approximate for planning purposes only. This tool does not provide official financial, legal, or tax advice. All financial decisions should be verified with a qualified mortgage lender or financial advisor.