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How to use
- 1Enter balance, APR, term and extra payment.
About
Does not model subsidies, forgiveness or contract-specific student rules.
Student loan calculator
Estimate payment, interest, payoff term and savings from an extra monthly payment.
The base payment uses fixed amortization; savings compare baseline interest with the accelerated schedule.
The base payment stays separate; the extra is applied to shorten payoff and reduce interest.
Calculations run locally in your browser; entered financial values are not sent to a server.
Practical example
- Use a $30,000 balance at 6% over 120 months and test an extra payment.
Limitations and notes
- Use positive rates, terms and amounts. Results are estimates and do not include lender-specific rules or fees.
How to use
- 1Enter balance, APR and term.
- 2Add an optional extra payment.
- 3Review term, interest and savings.
Frequently asked questions
Does an extra payment change the base payment?
The base payment stays separate; the extra is applied to shorten payoff and reduce interest.
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