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Amortization Calculator
See how each loan payment splits between principal and interest.
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Results
Monthly Payment
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Total Interest
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Total of Payments
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First Payment: Interest
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First Payment: Principal
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How to use the Amortization Calculator
Enter any amortizing loan's amount, rate and term to see the monthly payment and how the first payment splits between interest and principal.
Frequently Asked Questions
Interest is charged on the full outstanding balance, which is largest at the start. As principal shrinks, the interest portion of each payment shrinks too.
Mortgages, auto loans, student loans and most personal loans amortize — equal payments that fully pay off the loan by the end.