Student Loan Planning Calculator
Model student borrowing from staged disbursements through study/grace and into repayment. Separate interest accrued before repayment from later amortisation, choose whether accrued interest is capitalized or paid upfront, and allocate extra payments across loans.
Your result
How the calculation works
Study interest = disbursement × APR/12 × months outstanding, unless the entered terms waive that entire interval. Repayment balance adds capitalized interest. Each loan’s scheduled payment amortizes its balance; a shared extra budget follows avalanche or snowball priority.
Worked example
A $10,000 unsubsidized disbursement at 6% with 24 months until repayment accrues $1,200 before repayment. Capitalization begins repayment at $11,200. Paying interest upfront begins at $10,000 with a separate $1,200 payment.
Assumptions and limitations
Monthly simple interest during the entered study/grace interval; no study payments and one capitalization event. All loans begin repayment together. Subsidized means your own terms waive interest for the whole interval; the tool does not determine government eligibility.
Daily accrual, staged capitalization, changing rates, income-driven repayment, deferment, forgiveness and tax treatment require other models. Check loan documents and official programme rules before applying an assumption.
Sources and editorial responsibility
Maintained by Renvoro Pty Ltd. Sources inform the methods and assumptions shown here; outputs have the limitations described on this page.
Method reviewed 2026-10-11. Calculation standards · Report an issue