Home Loans Tool

Mortgage Refinance Savings Calculator

Compare interest rate reduction, monthly savings, and payback period.

Input Parameters

Calculation Results

Monthly Repayment Savings
$255/mo
5-Year Net Savings (After Fees)
$14,281
Payback Period for Switching Fees
4 Months
Current Monthly Repayment
$3,748
New Monthly Repayment
$3,493

Formula & How Mortgage Refinance Savings Calculator Works

Mathematical Formula
Monthly Savings = Current Monthly - New Monthly

Refinancing to a lower rate lowers monthly repayments. The payback period measures how many months required to recoup switching costs.

How to Calculate Mortgage Refinance Savings Calculator (Step-by-Step)
  1. Enter Current Loan Balance ($): Input your target parameter value.
  2. Enter Current Interest Rate (%): Input your target parameter value.
  3. Enter New Lower Interest Rate (%): Input your target parameter value.
  4. Enter Remaining Loan Term (Years): Input your target parameter value.
  5. Enter Total Switching & Valuation Fees ($): Input your target parameter value.
  6. Apply Formula: Calculate using Monthly Savings = Current Monthly - New Monthly.
  7. Review Results: View exact computed answers, metrics, and worked mathematical proofs.
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Frequently Asked Questions (FAQs)

How long does refinancing take?

Typically 2 to 4 weeks from application to settlement.

Official Regulatory & Government Data Sources

Authoritative Standards & Verified Reference Citations

Independent & Verified

Calculations and mathematical logic on this page are grounded in published statutory rules, regulatory standards, and official government data published by the following bodies:

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