Free · Browser-Based · Payment Planning

Loan Calculator

Estimate how much a loan costs each month, how much interest you will pay over time, and what happens when you change the term, rate, or extra payment.

Loan amount

Annual interest rate (%)

Loan term (years)

Extra monthly payment

Loan summary

🎯 Common Use Cases

Estimate mortgage-style payments

Compare personal loan terms

See extra payment impact

Check total interest cost

❓ Frequently Asked Questions

What formula is used?

The calculator uses the standard amortized loan payment formula with optional extra monthly payments.

Is this financial advice?

No. It is a quick estimate for planning and comparison, not legal or financial advice.

Does it work offline?

Yes. The math runs entirely in your browser.