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Mortgage Refinance Savings Calculator

Insurance & Loans Free Updated 1 Sep 2026
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ⓘ About this tool 🔄 Last updated 1 Sep 2026 ✓ Reviewed by TopToolAI Team

Compare your current mortgage payment against a new rate to see how much refinancing could save you per month and over the remaining term. Refinancing a PKR 10,000,000 balance from 12% down to 9.5% on a 15-year remaining term can lower the monthly payment by tens of thousands of rupees, though it is worth weighing that saving against any refinancing fees before switching.

How to use Mortgage Refinance Savings Calculator

Step-by-step guide to the boxes below. Open it only if you need help.

  1. 1
    Remaining balance Number

    What you still owe on your current mortgage.

    Example: 200000

  2. 2
    Current rate % (annual) Number

    The interest rate you pay at the moment.

    Example: 7

  3. 3
    New rate % (annual) Number

    The lower rate you are being offered by refinancing.

    Example: 5.5

  4. 4
    Remaining years Number

    How many years are left on your current mortgage.

    Example: 20

  5. 5
    Press “Compare”

    Click the button under the boxes. If something is missing or not valid, a short message tells you which box to fix.

  6. 6
    Read your result

    You see whether refinancing saves you money and how much. Change any box and try again to compare different numbers.

Mortgage Refinance Savings Calculator FAQs

How do I know if refinancing is worth it?
Compare the monthly savings shown here against any closing costs your lender quotes you — if it takes too many years to break even, it may not be worth it if you plan to move or pay off the loan sooner.
Does this include closing costs?
No — this compares monthly payments at the old and new rate only. Ask your lender for closing costs separately and weigh them against the monthly savings shown.
Does refinancing reset my loan term?
Yes, typically — refinancing starts a new loan, so unless you specifically choose a shorter term, you may end up paying interest for longer overall despite the lower rate.
What credit score do I need to refinance?
Requirements vary by lender, but a higher credit score usually unlocks a better rate — check with lenders directly for current requirements.

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