CalcStack — free, instant, no signup. The interactive calculator loads automatically.
Your balance growing while you pay is not a bug — under PSLF it's forgiven anyway.
Public Service Loan Forgiveness is simple to state and brutal to execute: 120 qualifying monthly payments on an income-driven plan while working full-time for a government or 501(c)(3) employer, and the remaining balance is forgiven — federally tax-free, permanently. The counterintuitive truth: if your IDR payment doesn't cover the monthly interest, your balance GROWS for ten years, and that's fine — the forgiven amount doesn't care how big it got. $120,000 at 7% with a $500 payment grows to $154,617 forgiven while you pay only $60,000. But PSLF isn't always the winner: high payments relative to the balance can make straight payoff cheaper. This calculator runs both tracks and shows the exact dollar difference.
Public-service workers use it before year 10 locks in: the forgiven balance (tax-free, even when negative amortization grew it past the original loan) versus the aggressive-payoff total — the answer is arithmetic, and high-payment cases genuinely flip.
Two different programs, two different rules. PSLF discharges have ALWAYS been federally tax-free — that's statutory, not temporary. What expired (end of 2025) was the ARP provision making IDR-plan forgiveness tax-free — so 20/25-year IDR forgiveness after 2025 IS taxable income again, while PSLF stays clean. A few states may still tax forgiven amounts; check yours. If you're choosing between finishing PSLF at year 9 versus riding IDR to year 20, the tax difference alone usually decides it.
Three failure modes account for most denials. (1) Wrong employer assumption — the EMPLOYER must qualify (government at any level, 501(c)(3), or certain other nonprofits); a contractor working AT a hospital doesn't count. Certify employment annually with the PSLF form so problems surface early. (2) Wrong plan — payments must be on an income-driven plan; standard 10-year payments technically qualify but leave nothing to forgive. (3) Consolidation timing — consolidating resets the count (post-2023 consolidations use weighted averages of prior counts; the old one-time adjustment is over). Payments don't need to be consecutive — leaving public service pauses the count, it doesn't erase it.
When the IDR payment is high relative to the balance — roughly when your income is strong and your loans are modest. If $900/month kills the loan in 7 years with $26k of interest, and PSLF needs 10 years of a qualifying job to forgive less than that, the payoff wins on cash AND on career freedom (no employer tether). PSLF shines for high-balance, moderate-income borrowers — the classic $150k-of-debt public defender or social worker. Run your numbers both ways; the answer is arithmetic, not ideology.