The chart shows both balances across time.
Finance calculator
Mortgage Refinance Calculator
See whether a new rate and term may recover refinancing costs and reduce your monthly payment.
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No account. Formula and assumptions are shown below.
Calculator inputs
Refinance details
Formula & disclaimer
Break-even Months = Refinancing Costs Γ· Monthly Saving; lifetime comparison uses both remaining amortization totals
View assumptionsFormula reviewCalcs at Hand Editorial TeamVerified 28 August 2026 Β· automated checks included
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Resultβ
Projection
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Formula & details
Calculation
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How to read this result
Three useful checks, kept deliberately short.
A RM420,000 balance with 22 years left compared with a 20-year lower-rate loan: Calculate both monthly payments Β· Include refinancing costs in the new balance Β· Compare break-even time and total remaining payments.
Enter legal, valuation, processing and other refinance costs that apply to your offer.
Formula and assumptions
Break-even Months = Refinancing Costs Γ· Monthly Saving; lifetime comparison uses both remaining amortization totalsA lower monthly payment can still cost more overall if the new term is much longer.
Keep in mind: This comparison does not represent a lender quotation and excludes unentered fees or changing rates.
Produced byCalcs at Hand Editorial Team
Last formula check28 August 2026
Review methodKnown examples + boundary cases
Editorial and correction policy β