Mortgage/Loan Refinancing Calculator Monthly Payment: Current Interest Rate: Term(Years) Left: Balance Amount for Refinance: Loan 1 Loan 2 Loan 3 Interest Rate: Term of loans: Points: Loan 1 Loan 2 Loan 3 Up-front cost: Monthly Payment: Monthly Savings: Total loan costs: To mortgage/Loan Refinancing Calculator, enter Monthly Payment, Current Interest Rate, Term(Years) Left and Balance Amount for Refinance get your result.