# Mortgage Refinance Break-Even Calculator

> Mortgage refinance break even calculator: compare closing costs against monthly savings to find when refinancing pays off. Free, editable rates, no signup.

- **Canonical URL:** https://boringtoolskit.com/mortgage-refinance-break-even/
- **Category:** Finance & Investing
- **Evidence level:** authored-methodology
- **Reviewed:** July 26, 2026
- **Last verified:** 2026-10-12
- **Privacy:** Inputs and results stay in this browser unless the page clearly labels an external request.

## How it works

Break-even months = closing costs / (old monthly payment - new monthly payment).

## Worked example

Refinance $300,000 from 7% (25 yrs) to 5.75% (30 yrs) with $6,000 closing: payments $2,120.34 to $1,750.72, saving $369.62 a month, break-even in 17 months.

## Common questions

### What is a mortgage refinance break-even calculator?

It's a free browser-based tool that estimates how many months it will take for your monthly savings from refinancing to cover the upfront closing costs.

### How do I calculate my break-even point?

Subtract your new monthly payment from your old one, then divide your total refinance closing costs by that monthly savings. The calculator does this instantly for you.

### Do I need to create an account to use the tool?

No, there's no signup required, just enter your loan details and costs, and you'll see your break-even month right away.

## Sources

- [Calculation methodology](/methodology/)
- [Quality evidence and verification standard](/quality-evidence/)

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*Local planning estimate. Verify current terms, rates, and policies before acting.*