Refinance Calculator
Result
Refinance Savings Calculator: calculate nominal payment difference after costs from the supplied inputs.
Formula
- Model: (old payment − new payment) × remaining months − refinancing costs. Illustrative nominal cash-flow difference over chosen equal comparison horizon; excludes discounted cash flows, equity changes and amortization schedules. This is an arithmetic estimate, not an individualized professional decision.
- The main inputs are Current monthly payment, New monthly payment, Remaining months, Refinancing costs. Enter them in the units and format shown in the calculator.
- Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Refinance
- Current monthly payment: 1600
- New monthly payment: 1400
- Remaining months: 120
- Refinancing costs: 5000
Using Current monthly payment = 1600, New monthly payment = 1400, Remaining months = 120, Refinancing costs = 5000, result: Nominal payment difference after costs = 19000.
Sample result: Calculating…
Frequently asked questions
What does the Refinance calculate?
Refinance Savings Calculator: calculate nominal payment difference after costs from the supplied inputs.
Which values should I enter?
Enter Current monthly payment, New monthly payment, Remaining months, Refinancing costs using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: (old payment − new payment) × remaining months − refinancing costs.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.