Refinance Calculator: New Payment, Break-Even & Savings

Current loan

Current balance Remaining principal today. Current interest rate (APR)

Annual nominal rate.

Remaining term

years

Years left on your current loan. Current monthly P&I (optional) If provided, we use it for savings & break-even.

New refinance loan

New interest rate (APR)

Annual nominal rate. New term

years

Often 15/20/30 years.

Closing costs

If %, it’s % of current balance (simple estimate). Cash-out amount (optional) Added to new loan principal.

Refinance date (start) Used to estimate payoff month/year.

Comparison

Payments, savings, and break-even.

Current monthly P&I

—

New monthly P&I

—

Monthly savings (current − new)

—

Closing costs (estimate)

—

Break-even time

—

New loan principal

—

Interest remaining (current, approx)

—

Total interest (new loan)

—

Payoff date (current, est.)

—

Payoff date (new, est.)

—

Note: “Interest remaining (current)” is based on amortization from the current balance with the remaining term. Real-world results vary with escrow, fees, and how far you are into the amortization curve.

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