Student Loan Calculator
Payoff time and interest with an extra payment.
Your numbers
Payoff time with extra
7 yrs 3 mo
Without extra
9 yrs 8 mo
Interest saved
$2,958.21
The link and the printed sheet both save your numbers, so anyone who opens them sees the same estimate.
Compare scenarios
Save your current numbers, change them, save again, and see each estimate side by side. Saved in this browser only.
How it works
Months = −ln(1 − B×r/P) ÷ ln(1 + r).
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Results are estimates for education only and are not investment advice.