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CalcTortoise

Compare Loans

Add the loan offers you have, or save them from any loan calculator. Drag two into Loan A and Loan B to see which one really costs less.

Written by the CalcTortoise editorial team · How we work

Your loans

Saved in this browser only. Drag a loan into Loan A or Loan B.

    Loan A

    Drag a loan here, or tap A / B on a loan.

    Loan B

    Drag a loan here, or tap A / B on a loan.

    Pick two loans to compare.

    Illustration only, not investment, tax or legal advice.

    How to use this page

    1. Tap “Add a loan” and enter the amount, rate and term from the lender’s offer.
    2. Or press “Save to compare loans” on any loan calculator.
    3. Drag two loans into Loan A and Loan B — on a phone, tap A or B on a loan.

    Frequently asked questions

    How do I compare two loans?

    Look at the total cost — interest plus the origination fee — and the APR, not just the monthly payment. In the example, 11% for 36 months costs $3,279 in all; 9.5% for 48 months costs $3,989, even though its monthly payment is lower.

    Why isn’t a lower monthly payment always cheaper?

    A lower payment usually comes from a longer term, so you pay interest for more months. A lower rate with a high origination fee can also cost more than it looks.

    What is the APR?

    The yearly cost once fees are counted. For the example loans it is 13.85% and 12.8%, against interest rates of 11% and 9.5%. Lenders must show the APR in their Truth in Lending disclosure.

    Where are my loans saved?

    Only in this browser, on this device. Nothing is sent to us. Use “Copy link” to share the two loans you are comparing.

    Sources and method

    Standard compound-interest formulas, tested against worked examples. Nothing here depends on outside data; the rates you type in are your own assumptions.

    No outside data is used. The numbers you type in are the only inputs.

    Page and formula last reviewed . How we calculate · Editorial policy · Corrections and change log

    Last updated 11 October 2026. For information only — not financial advice. Check the final figures with your lender or bank.