See opening balance, principal, interest, extra payments, and closing balance for every supported payment period.
Calculate with the Loan Amortization Calculator
Enter the details below. Required values are validated before results are shown.
Loan Amortization Calculator results
How to use the Loan Amortization Calculator
- Choose the display currency and any calculation mode or frequency.
- Enter each required value using a consistent currency and time basis.
- Select Calculate or press Enter.
- Review the result explanation, assumptions, and any schedule before relying on the estimate.
Worked example
Adding 100 to each payment on a fixed loan reduces principal immediately and can shorten the schedule.
Understanding the results
The summary separates the most important output from supporting values. Currency selection changes formatting only; it does not convert exchange rates or alter a currency-independent formula.
Frequently asked questions
How do extra payments change an amortization schedule?
The engine keeps full precision, adjusts the final payment, stops at zero, and caps schedules at 5,000 rows. The result depends on the values and assumptions entered, so compare it with the applicable provider or official rule.
Can I use decimal values in the Loan Amortization Calculator?
Yes. Decimal values are supported. Results are calculated at full JavaScript numeric precision and formatted for readability.
Are the Loan Amortization Calculator results guaranteed?
No. The calculator provides an estimate based on the entered assumptions and is not financial, tax, investment, lending, payroll, or legal advice.