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Loan Calculator

Calculate monthly payments, total interest, and amortization.

Free & unlimited
Common terms

Monthly payment

$1,580.17

$250,000.00

Principal

$318,861.22

Total interest

$568,861.22

Total payment

Payment breakdown
44%
56%
Principal (43.9%) Interest (56.1%)

Total payments

360

30 years 0 months

Interest-to-principal ratio

127.5%

of principal paid as interest

First payment split

$226.00 principal

$1,354.17 interest

Last payment split

$1,571.66 principal

$8.51 interest

Payoff milestones
25%
14y 2m
50%
21y 5m
75%
26y 4m
100%
30y 0m

This calculator uses standard amortization formulas. Add an extra monthly payment above to see how much interest you can save and how many years you can shave off your loan.

All processing happens in your browser. No data is sent to any server.

About this tool

  1. 1

    Enter loan amount

    The total amount you want to borrow.

  2. 2

    Set interest rate

    Annual interest rate as a percentage.

  3. 3

    Set loan term

    Duration of the loan in months or years.

  4. 4

    View results

    See monthly payment, total interest, and amortization schedule.

  • Even small interest rate differences add up significantly over long terms.
  • A 30-year mortgage costs about 2x the home price in total payments.
  • Making extra payments toward principal dramatically reduces total interest.
  • The amortization schedule shows how much of each payment goes to interest vs. principal.
  • Monthly payment
  • Total interest
  • Amortization schedule
  • Payment chart
  • Extra payments
  • Calculate mortgage payments.
  • Compare loan offers from different lenders.
  • Plan car loan or student loan payments.

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