When is it a good time to refinance?

Refinancing is typically advantageous when you can lower your interest rate by 0.75% to 1.0% or more and plan to stay in the home longer than the break-even period.

Updated: August 2026 • Verified v1.2

Loan Refinance & Break-Even Savings Calculator

Finance & MathPopular

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Monthly Savings = Current_Payment - New_Payment; Break-Even Months = Closing_Costs / Monthly_Savings

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Understanding Your Results

Calculates monthly payment delta, new amortized payment, lifetime interest savings, and exact break-even recovery months.

Practical Guidance & Next Steps

If you plan to move or sell the asset before the break-even period (e.g. 36 months), refinancing may cost more than it saves.

What is this?

A financial comparison calculator that computes the cost-benefit of refinancing an existing loan into a lower interest rate.

How does it work?

1. Enter current loan balance, APR, and monthly payment. 2. Enter new refinance APR, loan term, and closing costs. 3. View your monthly cash savings, lifetime interest delta, and break-even timeframe in months.