Your payoff timeline
Runs in your browser — nothing you enter is sent or stored.
Key takeaways
- Extra payments on student loans go entirely at the principal (there's no prepayment penalty on federal or virtually all private student loans).
- Tell your servicer to apply extra amounts to principal — not to 'advance the due date.'
- If payments are unaffordable, federal loans have income-driven plans — use those before ever missing payments.
Table of contents
Why extra payments punch above their weight
Student loans amortize: early payments are interest-heavy, so every extra dollar early in the loan removes principal that would have generated years of interest. The calculator's "+extra" row shows your actual number. One instruction matters: tell your servicer in writing that extra amounts apply to principal — otherwise many servicers just mark your next payment as prepaid, which saves you nothing.
Federal options if the payment doesn't fit
Federal borrowers have tools private lenders don't: income-driven repayment plans that cap payments at a share of discretionary income, deferment and forbearance for hardship, and forgiveness programs like PSLF for public service workers. Explore them at StudentAid.gov (the official source — beware paid "student loan help" companies charging for free federal processes). Weigh trade-offs: lower payments stretch timelines and can increase total interest. Our DTI calculator shows how the payment fits your overall budget.
Frequently asked questions
Do extra payments reduce my student loan interest?
Yes — interest accrues on the remaining principal, so every extra dollar of principal removed stops generating interest for the rest of the loan. Instruct your servicer to apply extras to principal.
Is there a penalty for paying student loans early?
No. Federal law prohibits prepayment penalties on federal student loans, and private student loans virtually never carry them.
Should I pay extra or use income-driven repayment?
Opposite tools: extra payments minimize total cost when you can afford them; income-driven plans protect you when you can't. If you're pursuing forgiveness (like PSLF), extra payments usually don't make sense.
Estimates are informational only, not financial advice or an offer of credit — see our disclaimers.