How to use a student loan calculator

1. Enter loan balance.
2. Enter an interest rate sample (not a live offer).
3. Enter term in months (or use year presets).
4. Optional: add extra monthly payment.
5. Read payment, interest, payoff time, term compare, and schedule.

Example: $30,000 · 5.5% · 10 years

What it is not

• Not a federal IDR or PSLF estimate
• Not a lender quote or credit offer
• Not live federal or private rate tables

How we calculate · Questions

Frequently asked questions

What inputs do I need?

Loan balance, interest rate sample, term in months, and optional extra monthly payment.

Can I share a prefilled link?

Yes—use balance, rate, months, and extra query parameters.

Sources linked above include U.S. government materials (for example CFPB, FDIC, NCUA, BLS, IRS) where noted. Sample math uses only labeled Nestfigure assumptions—not bank quotes, job offers, or personalized advice. Last reviewed: August 9, 2026.