Understanding Your Student Loan Repayment
Student loans are one of the most complex forms of debt, with unique features like grace periods, different loan types, and specialized federal repayment plans. This simulator helps you navigate these complexities to find a strategy that fits your financial life. The U.S. Department of Education offers a variety of repayment plans designed to provide flexibility for borrowers.
Comparing Repayment Strategies
Choosing a repayment plan is a critical decision that impacts your monthly budget and the total cost of your loan. This calculator models two of the most common approaches for federal loan borrowers:
- Standard 10-Year Plan: This plan is designed to pay off your loan in 10 years with fixed monthly payments. It typically results in the lowest total interest paid among traditional plans.
- SAVE Plan (Saving on a Valuable Education): This is an Income-Driven Repayment (IDR) plan where monthly payments are calculated based on your income and family size, not your loan balance. Payments can be as low as $0. Under the SAVE plan, any interest not covered by your monthly payment is subsidized by the government, preventing your balance from growing. After 20-25 years of payments, any remaining balance may be forgiven.
Key Student Loan Concepts Explained
- Grace Period: This is a set period after you graduate or leave school before you must begin making payments, typically 6 months for federal loans.
- Subsidized vs. Unsubsidized Loans: For Direct Subsidized Loans, the U.S. Department of Education pays the interest while you're in school at least half-time, for the first six months after you leave school (grace period), and during periods of deferment. For Unsubsidized Loans, the borrower is responsible for all interest that accrues from the date of disbursement.
- Interest Capitalization: This occurs when unpaid accrued interest is added to your loan's principal balance. When this happens, you begin paying interest on a higher principal amount, which increases the total cost of your loan. It often happens at the end of a grace period for unsubsidized loans.
Private Refinancing vs. Federal Plans
You may receive offers to refinance your federal student loans with a private lender. While this can sometimes result in a lower interest rate, it is a permanent decision with significant trade-offs.
- Pros of Refinancing: Potentially lower interest rate, simplified payments if you combine multiple loans, choice of lender.
- Cons of Refinancing: You will permanently lose access to all federal loan benefits, including Income-Driven Repayment plans (like SAVE), loan forgiveness programs (like Public Service Loan Forgiveness), and generous deferment and forbearance options.
It is crucial to use a tool like this to simulate your long-term costs under federal plans before considering private refinancing.
Frequently Asked Questions (FAQ)
Should I pay interest during my grace period?
If you have unsubsidized loans and can afford to, paying the interest as it accrues during your grace period is a smart financial move. It prevents that interest from being capitalized (added to your principal), which can save you a significant amount of money over the life of the loan by keeping your principal balance lower.
What is loan forgiveness and is it taxable?
Loan forgiveness is when the remaining balance of your loan is canceled after you have made a certain number of qualifying payments over a period of years (typically 20-25 for IDR plans). Under current law through 2025, federal student loan forgiveness is not considered taxable income by the federal government, but some states may tax it. This is subject to change.
How accurate is the SAVE Plan simulation?
This calculator uses a simplified model of the SAVE plan based on its core rules (225% of poverty line exemption, 10% of discretionary income). It is an excellent tool for estimation and comparison. However, for an official calculation that can use your specific loan data, you should always consult the official Loan Simulator on studentaid.gov.
Formula (LaTeX) + variables + units
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- P = principal (loan amount) (currency)
- r = periodic interest rate (annual rate ÷ payments per year) (1)
- n = total number of payments (years × payments per year) (count)
- M = periodic payment for principal + interest (currency)
- T = property tax (annual or monthly depending on input) (currency)
- CFPB — Credit cards (consumer education) — consumerfinance.gov · Accessed 2026-01-19
https://www.consumerfinance.gov/consumer-tools/credit-cards/ - FTC — Credit and loans (consumer advice) — consumer.ftc.gov · Accessed 2026-01-19
https://consumer.ftc.gov/ - Federal Reserve — Consumer resources — federalreserve.gov · Accessed 2026-01-19
https://www.federalreserve.gov/consumerscommunities.htm
Last code update: 2026-01-19
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