US Student Loan Calculator
Calculate your student loan payoff timeline, total interest and monthly payments. Compare standard, graduated and extended repayment plans with extra payment options.
Student Loan Calculator
Add this amount to your regular payment
Monthly Payment
$542.63
10 years 0 months
Total Interest
$15,115.77
Over loan term
Total Amount Paid
$65,115.77
Principal + Interest
Repayment Schedule
Payment Details (Selected Months)
| Month | Payment | Principal | Interest | Balance |
|---|---|---|---|---|
| 1 | $542.63 | $313.46 | $229.17 | $49,686.54 |
| 2 | $542.63 | $314.90 | $227.73 | $49,371.63 |
| 3 | $542.63 | $316.34 | $226.29 | $49,055.29 |
| 4 | $542.63 | $317.79 | $224.84 | $48,737.49 |
| 5 | $542.63 | $319.25 | $223.38 | $48,418.24 |
| 6 | $542.63 | $320.71 | $221.92 | $48,097.53 |
| 7 | $542.63 | $322.18 | $220.45 | $47,775.34 |
| 8 | $542.63 | $323.66 | $218.97 | $47,451.68 |
| 9 | $542.63 | $325.14 | $217.49 | $47,126.54 |
| 10 | $542.63 | $326.63 | $216.00 | $46,799.90 |
| 11 | $542.63 | $328.13 | $214.50 | $46,471.77 |
| 12 | $542.63 | $329.64 | $213.00 | $46,142.14 |
| 24 | $542.63 | $348.23 | $194.40 | $42,066.66 |
| 36 | $542.63 | $367.87 | $174.76 | $37,761.29 |
| 48 | $542.63 | $388.62 | $154.01 | $33,213.07 |
| 60 | $542.63 | $410.55 | $132.09 | $28,408.29 |
| 72 | $542.63 | $433.70 | $108.93 | $23,332.49 |
| 84 | $542.63 | $458.17 | $84.46 | $17,970.37 |
| 96 | $542.63 | $484.01 | $58.62 | $12,305.78 |
| 108 | $542.63 | $511.31 | $31.32 | $6,321.66 |
| 120 | $542.63 | $540.16 | $2.48 | $0.00 |
Compare Repayment Plans
$542.63/mo
$15,115.77 interest
$271.32/mo (increasing)
Similar interest to standard
$307.04/mo
More interest paid overall
Loan Repayment Notes
- ✓ Federal student loans have various repayment options (Standard, Graduated, Extended, Income-Based)
- ✓ This calculator assumes simple repayment - Income-Based plans adjust based on earnings
- ✓ Public Service Loan Forgiveness (PSLF) forgives after 120 qualifying payments
- ✓ Extra payments go directly to principal, saving interest
- ✓ Parent PLUS loans have different terms
- ✓ Loan forgiveness may have tax implications
- ✓ Consult Federal Student Aid (studentaid.gov) for official guidance
Understanding Federal vs Private Student Loans
When calculating your student loan payoff, it is critical to distinguish between federal and private loans. Federal loans offer flexible repayment plans, such as Income-Driven Repayment (IDR) and potential forgiveness options.
Private loans (from providers like Sallie Mae or Discover) generally have stricter repayment terms and variable interest rates. You cannot use federal repayment plans for private loans, which means your monthly payment is rigidly based on the loan term and interest rate.
Frequently Asked Questions
How do I use a federal student loan calculator?
Enter your total loan balance, your interest rate, and your expected loan term. The calculator will determine your fixed monthly payment to clear the debt in that timeframe. For federal loans, a standard repayment plan is 10 years.
Can I pay off my Sallie Mae loan faster?
Yes, you can make extra payments toward the principal balance of any student loan, including private loans like Sallie Mae, without early repayment penalties. Making extra contributions drastically reduces the total interest paid over the life of the loan.
Related Tools
US Income Tax Calculator
Calculate your US federal and state income taxes, FICA contributions and take-home pay for 2025. Supports all 50 states and all filing statuses.
Loan Repayment Calculator
Calculate monthly loan repayments, total interest and see how overpayments can save you time and money. Supports repayment and interest-only