Student Loan Calculator
Plan your loan repayment
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Full guide
How to Calculate Student Loan Payments
Learn standard student loan payment math, interest, extra payments, and a high-level IDR overview — educational examples with a free calculator.
About Student Loan Calculator
A student loan calculator for estimating monthly payments, total interest paid, and payoff timelines under different repayment plans. Enter loan balance, interest rate, and term to compare Standard (10-year), Graduated, Extended, and Income-Driven Repayment (IDR) plans. Model extra payments to see interest savings and early payoff dates. Covers both federal and private student loans. 100% client-side.
Student Loan Calculator Features
- Monthly payment
- Total interest
- Payoff timeline
- Repayment plan compare
- Extra payments
- Refinancing analysis
- IDR plans
- Amortization schedule
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