Mortgage Refinance Break-Even Calculator

A refinance break-even is reached when cumulative monthly savings exceed the closing costs paid.

What this calculator does

Typical closing costs: 2–5% of loan amount ($4,000–

0,000). Monthly savings of $200 = 20–50 months to break even.

When to use this calculator

This calculator earns its keep at decision points: before accepting a loan, comparing investment platforms, or negotiating salary. The difference between the headline figure and the true cost or return is only visible with accurate arithmetic.

Common mistakes

Many financial calculation errors stem from omitting ancillary costs: fees, taxes, insurance, or maintenance. The headline figure (interest rate, monthly payment) is rarely the complete cost of a financial product.

Real-world scenarios

An employee receives a counter-offer from another employer: a £4,000 salary increase but no pension contribution versus the current role's lower salary with 8% employer pension. Running both through the finance calculator shows the true net financial value of each offer.

Frequently asked questions

When does it make sense to refinance?

When you can lower your rate by 0.75%+ and plan to stay in the home past the break-even point (typically 2–5 years).

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