Calculator

Refinance Calculator

Estimate and compare key US home-finance numbers. Results are estimates for education and planning.

Calculator

Current loan balance

Current rate (%)

New rate (%)

Remaining term (years)

Closing costs

Results

Current payment—

New payment—

Monthly savings—

Break-even—

Interest difference—

A refinance can lower a payment while extending the term. Compare total costs and the break-even period rather than payment alone.

How Does This Calculator Work?

A refinance can lower a payment while extending the term. Compare total costs and the break-even period rather than payment alone.

How to Use This Calculator

Enter realistic values.
Review the estimated result and assumptions.
Change inputs to understand sensitivity.
Confirm transaction-specific numbers with current official or lender documents.

Important Assumptions

Inputs are user-supplied.
Results are estimates, not approvals or quotes.
Taxes, insurance, PMI, fees and lender rules can vary.

Methodology

HomeCalc uses standard mathematical loan-payment and ratio calculations where applicable.

Selected authoritative references

Sources are educational references. Rules and lender requirements can change; verify current terms with the relevant agency or lender.

Last updated: August 30, 2026