Student Loan Repayment Options Calculator
Compare monthly payment, total interest and payoff time across Standard 10y, Graduated 10y, Extended Fixed 25y and Extended Graduated 25y plans.
How to use
- Enter loan amount and APR.
- Select a repayment plan (Standard, Graduated, Extended).
- Optionally set step months/increase for Graduated.
Formulas
- Amortized payment: P = r·L / (1 - (1+r)^(-n)), r = APR/12.
- Graduated: payment increases by k% every s months; interest accrues monthly.
- Totals: sum of payments; total interest = total paid - principal.