Can I calculate a 0% interest loan?

Yes. Entering 0% automatically divides the principal evenly across all monthly installments without division-by-zero errors.

Financial100% Client-Side · Instant Math

Loan Calculator

Compute amortized loan payments, total interest, and payoff schedule.

Loan Amount

Term (Months)

Months

Interest Rate (%)

Extra Monthly Payment

Result Summary

Monthly Payment

$500.95

Payoff Duration

60 Months

Total Interest

$5,056.92

Total Payment

$30,056.92

Principal:$25,000.00 (83.2%)

Interest:$5,056.92 (16.8%)

Detailed Breakdown

Year	Principal	Interest	Ending Balance
1	$4,281.58	$1,729.81	$20,718.42
2	$4,613.97	$1,397.42	$16,104.46
3	$4,972.16	$1,039.22	$11,132.29
4	$5,358.16	$653.22	$5,774.13
5	$5,774.13	$237.25	$0.00

Educational & Budgeting Notice

Results are estimates provided for educational and planning purposes only and do not constitute licensed financial, tax, or legal advice. Verify final terms with your lender or advisor.

How to Use This Calculator

Calculate fixed monthly payments, total interest cost, and complete payoff schedules for personal loans, student loans, or business financing.

1Enter the total loan principal amount.
2Set the loan term in years or months and enter the annual APR.
3Review the monthly payment, principal vs. interest split, and year-by-year amortization breakdown.

Standard Formula & Methodology

PMT = P · r / (1 - (1 + r)^(-n)), where r is the periodic rate and n is total payments.

Helpful Context & Precision Notes

Instant client-side amortization with CSV export so you can inspect every installment.

All inputs stay locally inside your browser tab — nothing is uploaded or logged.

Frequently Asked Questions

This loan calculator models standard fixed-rate amortized loans using your periodic interest rate. If your lender quotes APR inclusive of fees rolled into principal, add those fees to the loan amount.