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Free Student Loan Calculator Online

Use this free student loan calculator to plan your repayment strategy. Enter your loan balance, interest rate, and loan term to see your monthly payment, total interest cost, and estimated payoff date. You can also override the payment amount to see how paying extra shortens your timeline.

Monthly Payment

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Enter your details to calculate

How This Student Loan Calculator Works

This student loan calculator uses the standard amortization formula to determine your fixed monthly payment based on your loan balance, interest rate, and repayment term. It then generates a year-by-year payoff schedule showing how your balance decreases over time.

For example, a $35,000 student loan at 5.5% over the standard 10-year term produces a monthly payment of $380. Over that decade, you pay $10,584 in interest for a total repayment of $45,584. The student loan calculator bar chart visualizes the remaining balance each year so you can track your progress.

If you enter a custom monthly payment higher than the minimum, the student loan calculator recalculates the payoff timeline and shows you how much interest you save. Paying $480 instead of $380 on that $35,000 loan cuts your payoff to about 7 years and saves roughly $3,000 in interest.

Federal Student Loan Interest Rates

Direct Subsidized (Undergrad)5.50%
Direct Unsubsidized (Undergrad)5.50%
Direct Unsubsidized (Graduate)7.05%
Direct PLUS (Parent/Grad)8.05%

These are fixed rates for loans disbursed in 2024-2025. Private student loan rates vary by lender and credit profile, typically ranging from 4% to 14%. Enter your specific rate in the student loan calculator above.

3 Strategies to Pay Off Student Loans Faster

Pay Bi-Weekly

Instead of 12 monthly payments, make 26 half-payments (one every two weeks). This adds up to 13 full payments per year instead of 12. On a $30,000 student loan at 6%, this approach shaves off about 1 year and saves roughly $1,100 in interest.

Target High-Rate Loans

If you have multiple student loans, direct extra payments toward the highest-rate loan first (the avalanche method). This minimizes total interest. Once the highest-rate loan is paid off, roll that payment into the next highest. The student loan calculator helps you quantify the savings.

Automate Payments

Most federal and private student loan servicers offer a 0.25% rate reduction for enrolling in autopay. On a $40,000 balance at 5.5%, that small discount saves about $560 over a 10-year term. Set it and forget it — consistency is key.

Frequently Asked Questions

Disclaimer: This student loan calculator is for planning and educational purposes only. Actual repayment amounts may vary based on your loan servicer, repayment plan, and any fees. Contact your loan servicer for exact payment details and explore federal forgiveness programs if applicable.

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