Student loan inputs
Good for fixed-rate payoff estimates and repayment comparison.
Essential Calculator
Student Loan Calculator
Use this student loan calculator to estimate monthly payment, interest cost, and payoff timing for an education loan balance.
How to use this page
- Enter the balance, annual rate, and repayment term.
- Use the chart to see how slowly balances can decline on longer terms.
- Compare repayment timelines before locking in a strategy.
Results
Monthly payment$312
Total interest$9,472
Total paid$37,472
M120$0
What this calculator helps you see
Student loan planning often becomes clearer when the full payoff picture is visible: monthly payment, term length, and lifetime interest all matter together.
When to use this calculator
Estimate standard repayment
This is useful for getting a quick baseline payment estimate for a fixed-rate student loan balance.
Compare payoff timelines
A shorter repayment schedule may raise the monthly payment but can significantly reduce total interest.
Formula
Payment = P × r ÷ (1 - (1 + r)^-n)
Fixed-rate repayment estimates use standard amortization with equal monthly payments through the term.
Worked example
A $28,000 balance at 6.1% over 10 years can be a reasonable starting point for repayment planning, but shortening the term may save meaningful interest.
| Item | Value |
|---|---|
| Loan balance | $28,000 |
| Interest rate | 6.1% |
| Term | 10 years |
| What to compare | Standard term versus faster payoff |
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Before you decide
- Outputs are estimates and should be reviewed against lender or plan-specific terms.
- Inputs are intentionally transparent so assumptions are easy to audit.
- Rates, fees, taxes, and account terms can change the final result.
Page details
- Updated April 15, 2026
- For assumptions and general guidance, see Methodology.
- For how explanatory content is written, see Editorial Policy.
Repayment comparison
| Option | Monthly payment | Total interest |
|---|---|---|
| Shorter term | Higher | Lower |
| Standard term | Moderate | Moderate |
| Longer term | Lower | Higher |
Questions and answers
Does this reflect income-driven repayment?
No. This page is best for fixed-rate payoff estimates, not repayment plans tied to changing income.
Why compare total interest?
Because a lower monthly payment can still cost much more over time if the term is stretched out.