Student Loan Payoff Calculator
Graduates often add a small extra payment when salary allows. This page shows $40,000 at 6.0% with an extra $150 per month — how many months you shave off and interest saved appear in the summary block.
Controls below adjust extra payment amount. Download the full schedule to share with a partner or stick in a budget binder.
Not financial advice. Does not model PSLF, IDR, or subsidized interest accrual.
Loan:$40,000.00 at 6% for 10 years (monthly)
Monthly payment:$444.08
Total interest:$8,891.41· Payments:83
Interest saved:$4,398.50 · Fewer payments: 38
| # | Payment | Principal | Interest | Extra | Balance |
|---|---|---|---|---|---|
| 1 | $444.08 | $244.08 | $200.00 | $150.00 | $39,605.92 |
| 2 | $444.08 | $246.05 | $198.03 | $150.00 | $39,209.87 |
| 3 | $444.08 | $248.03 | $196.05 | $150.00 | $38,811.84 |
| 4 | $444.08 | $250.02 | $194.06 | $150.00 | $38,411.82 |
| 5 | $444.08 | $252.02 | $192.06 | $150.00 | $38,009.80 |
| 6 | $444.08 | $254.03 | $190.05 | $150.00 | $37,605.77 |
| 7 | $444.08 | $256.05 | $188.03 | $150.00 | $37,199.72 |
| 8 | $444.08 | $258.08 | $186.00 | $150.00 | $36,791.64 |
| 9 | $444.08 | $260.12 | $183.96 | $150.00 | $36,381.52 |
| 10 | $444.08 | $262.17 | $181.91 | $150.00 | $35,969.35 |
| 11 | $444.08 | $264.23 | $179.85 | $150.00 | $35,555.12 |
| 12 | $444.08 | $266.30 | $177.78 | $150.00 | $35,138.82 |
Showing first 12 of 83 rows. Download PDF or CSV for the full schedule.
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