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Refinance Calculator: articles & guides

Everything we've written about the refinance calculator — how people use it, what they get wrong, and what the math assumes.

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3 mortgage refinance scenarios that show how the math really works

Refinancing your mortgage can lower your monthly payment or save you thousands in interest, but closing costs complicate the math. Explore three detailed scenarios to see how different loan terms and rate drops affect your bottom line.

Jul 3, 2026 · 6 min read
10 mistakes people make with a mortgage calculator

Most people type in a price and a rate, then trust the monthly payment that pops out. Here are the ten things that quietly make that number wrong — and the fix for each.

Jun 17, 2026 · 5 min read