Public Service Loan Forgiveness (PSLF) is the federal program that wipes out the remaining balance of eligible student loans after you make 120 qualifying monthly payments while working full-time for a qualifying employer — a government agency or a qualifying non-profit. The catch is that the math happens quietly: on an income-driven repayment plan your payment is small, interest keeps accruing, and the balance you actually forgive ten years from now is rarely the balance you see on today's statement.
This PSLF calculator projects that forgiven balance. Enter your current balance, your weighted average interest rate, your monthly IDR payment, and how many of the 120 qualifying payments you have already certified. The engine rolls the balance forward month by month and tells you exactly how much should be left to forgive, what you will have paid in total, and — most importantly — that the forgiven amount is not taxed at the federal level.
How to Use
- Enter your Current Loan Balance — the total balance of the eligible federal Direct Loans you plan to certify. Only Direct Loans (or loans you have consolidated into a Direct Consolidation Loan) qualify; most privately held or commercially held Federal Family Education Loan (FFEL) or Perkins loans must first be consolidated.
- Set the Weighted Average Interest Rate on that balance. If you consolidated, use the rate printed on your consolidation paperwork; otherwise blend your loan rates by balance.
- Type your Monthly IDR Payment — the payment on an income-driven plan such as SAVE, PAYE, IBR, or ICR. Standard 10-year payments do not produce meaningful forgiveness, so this field should reflect your income-driven bill.
- Enter Qualifying Payments Already Made. This is how many of the 120 required payments you have already certified through your servicer or the PSLF Help Tool. The calculator subtracts these from 120 so you see the remaining runway, not the full decade.
- Read the result card. Payments Still Needed and Years Until Forgiveness show your runway; Total Paid During PSLF sums the payments ahead; Projected Forgiven Balance is the balance left when you reach payment 120; and Tax on Forgiveness (Federal) confirms the federal tax treatment.
The key insight is that a low monthly payment does not mean a small bill. Because IDR payments are based on discretionary income rather than the loan balance, you may pay down only part of the principal over ten years — and the rest is forgiven.
How the PSLF Math Works
Each qualifying month, interest accrues on your balance at the monthly rate, and your payment is applied against that new balance:
balance(month) = balance(prev) × (1 + annualRate ÷ 12) − monthlyPayment
After you have made 120 − qualifyingPaymentsMade such payments, whatever balance remains is discharged. Run the numbers on a $60,000 balance at a 3.0% weighted rate with a $400 monthly IDR payment: each month interest adds about $150, so roughly $250 goes to principal. Over 120 months you pay $48,000 in total, but the balance at month 120 is still about $25,065 — that is the amount forgiven, and under current federal law it is excluded from your gross income.
If your IDR payment does not even cover the accruing interest, the balance can grow (negative amortization). That is normal on an income-driven plan and does not disqualify you — the larger balance is simply forgiven at the end. The one scenario with no forgiveness is paying the loan off entirely before you reach 120 qualifying payments.
Examples
Example 1 — The default PSLF profile. A teacher owes $60,000 in Direct Loans at a 3.0% blended rate, pays $400 per month under an IDR plan, and has made 0 qualifying payments. After 120 payments (10 years) they have paid $48,000 total and roughly $25,065 of remaining balance is forgiven tax-free at the federal level.
Example 2 — Halfway done. The same borrower has already certified 60 qualifying payments. The calculator shows 60 payments remaining (5 years), about $24,000 more to pay, and roughly $43,838 forgiven — more than the default case because fewer months of principal pay-down remain before discharge.
Example 3 — Large graduate debt. A public-defender with $1,500,000 in consolidated grad loans at 6.0% on a $400 IDR payment sees the balance grow to roughly $2,663,543 by year ten. Because PSLF forgives whatever balance remains after 120 payments, that entire projected surplus is discharged tax-free — which is why high-balance public-service borrowers benefit most from the program.
FAQ
How many qualifying payments do I need for PSLF?
You need 120 qualifying monthly payments — the equivalent of 10 years — made while employed full-time by a qualifying employer. Payments do not have to be consecutive, but only payments made after October 2007 count, and each must be made under an income-driven repayment plan on an eligible Direct Loan.
Is PSLF forgiveness really tax-free?
Yes. Amounts forgiven under PSLF are excluded from your federal gross income under the Internal Revenue Code. Unlike taxable student-loan forgiveness (such as after 20–25 years on an IDR plan without public service), you will not receive a 1099-C for the discharged balance or owe federal income tax on it. Note that state tax treatment varies by state, so check your state's rules.
What employers qualify for PSLF?
Qualifying employers include any U.S. state, local, or federal government agency, and most 501(c)(3) non-profit organizations. Full-time service at a qualifying tax-exempt organization (such as certain public-service contractors) may also count. Federal military service and AmeriCorps or Peace Corps service count as qualifying employment.
Which loans are eligible for PSLF?
Only William D. Ford Federal Direct Loans qualify on their own. If you have FFEL Program loans, Federal Perkins Loans, or commercially held loans, you generally must consolidate them into a Direct Consolidation Loan to access PSLF. Private student loans are never eligible.
What happens if my loan balance reaches zero before 120 payments?
If you pay the loan off in full before completing 120 qualifying payments, there is no remaining balance to forgive and PSLF simply ends. The calculator shows a projected forgiven balance of $0 in that case — which is a good outcome, even though it means you did not use the forgiveness benefit.
Does my monthly payment have to cover the interest?
No. On an income-driven plan your payment is capped at a percentage of discretionary income, and if it is lower than the accruing interest the balance can grow. That unpaid interest does not disqualify you from PSLF; the growing balance is what gets forgiven at month 120. Under the SAVE plan, some unpaid interest is also subsidized so the balance does not grow even when the payment does not cover it.
Disclaimer
This PSLF calculator is provided for informational purposes only and does not constitute financial, tax, or legal advice. Projections are based on the inputs you enter and a simple month-by-month balance roll-off; actual PSLF eligibility, certified payment counts, qualifying-employer status, and state tax treatment are determined by the U.S. Department of Education and your loan servicer. Income-driven payments, interest subsidies, and program rules can change. Always confirm your eligibility, employment certification, and payment count directly with Federal Student Aid and the PSLF Help Tool before relying on any projection.