Student Loan Moratorium / Grace Period Estimator
Model how interest compounds during your grace period, calculate the exact balance you enter repayment with, and see your monthly payment — including the true extra cost of an unsubsidized or capitalized loan.
Monthly Payment
How It Works
The Three Grace Period Models
- Subsidized: The government or scholarship body covers all interest during the grace window. Your balance at repayment start equals your graduation balance — zero penalty for the pause.
- Unsubsidized (standard): Interest accrues monthly (simple) during the moratorium and is added to your balance at the end. Repayment is calculated on this slightly higher principal. Common for US Direct Unsubsidized, Malaysia PTPTN, and many national schemes.
- Capitalized (private): Interest compounds monthly during the grace period and is rolled into the principal — the most expensive model. Every future month of repayment incurs interest on that inflated balance. Typical for commercial and international private lenders.
The Repayment Formula
M = B × (r/12) × (1 + r/12)^N
÷ ((1 + r/12)^N − 1) Where B = balance at repayment start, r = annual rate, N = total repayment months. The "Extra Cost vs. Subsidized" metric isolates the true financial penalty of the grace period's interest model — the difference in total repaid between your loan type and a subsidized baseline at the same rate and term.
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