How it works
Calculate a fixed monthly payment; round monthly interest and payment to cents; adjust the final instalment to clear the balance.
Input definitions
- Principal
- Enter the value in the labeled unit.
- Nominal annual interest (%)
- Enter the value in the labeled unit.
- Monthly payments
- Enter the value in the labeled unit.
A worked example
- Principal
- 1200
- Nominal annual interest (%)
- 0
- Monthly payments
- 12
Assumptions & limits
Single-currency planning model using entered rates; two-decimal half-up currency rounding. No taxes, regulatory APR, live quote or investment-return prediction unless explicitly stated. Fixed monthly nominal-rate amortization; at most 1,200 months. No fees or rate changes. Final payment may differ by rounding.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-17. Content checked against the stated method and examples. Our verification approach.
Common questions
Are these investment and borrowing results guaranteed?
No. These are deterministic estimates from the inputs and stated method, not predicted returns or lending offers. Actual fees, tax, timing and contractual terms may differ.
How does the Loan amortization schedule tool work?
Calculate a fixed monthly payment; round monthly interest and payment to cents; adjust the final instalment to clear the balance.
What are the assumptions and limits of Loan amortization schedule?
Single-currency planning model using entered rates; two-decimal half-up currency rounding. No taxes, regulatory APR, live quote or investment-return prediction unless explicitly stated. Fixed monthly nominal-rate amortization; at most 1,200 months. No fees or rate changes. Final payment may differ by rounding.