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Estimates education-loan payments from principal, rate, term and grace options. Use when comparing repayment plans; differs from auto-loan by study terms vs vehicle purchase. Returns monthly payment, interest and schedule. 100% client-side.
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Estimates the monthly payment, total cost, and total interest for repaying a student loan on a standard repayment schedule. You can adjust the balance, rate, and term to compare plans and see how extra payments shorten the payoff.
Student loans affect budgets for years, and the interplay of balance, rate, and term can add tens of thousands in interest. An estimate makes the real cost of repayment visible before you commit to a plan.
This tool is part of the DevStackIO platform — a collection of free online developer tools from DevStackIO. Browse more free developer resources on DevStackIO.
Graduates planning repayment, borrowers comparing terms, and anyone weighing extra payments against standard amortization.
Enter your total outstanding loan balance
Enter a weighted average interest rate as a percent
Choose a repayment term in years
Read the monthly payment, total paid, and total interest
Add an extra monthly payment to see the term shorten
Compare a 10-year vs. longer term on total interest
$30,000 at 5.05% for 10 years → payment ≈ $318, interest ≈ $8,140$50,000 at 6% for 10 years → payment ≈ $555, interest ≈ $16,610$30,000 at 5.05% for 20 years → payment ≈ $199, but interest nearly doubles to ≈ $17,700$50,000 at 6% for 10 years with an extra $100/month → payoff cut by over a year and interest reducedDoes this tool support multiple currencies?
Yes, select your currency from the dropdown. All calculations run locally in your browser.
Does this include income-driven repayment?
No, it models standard amortization only.
What rate should I use?
The weighted average across all your loans is a good estimate.
Are forgiveness programs included?
No, they change payments and totals significantly.
Is my data shared?
No, everything runs locally in your browser.
Should I refinance my student loans?
It can lower your rate, but federal loans lose protections; weigh both before deciding.
What is a weighted average rate?
Each loan's rate weighted by its balance, giving a single blended rate for your total debt.
Authoritative specifications, standards, and in-depth reading for Student Loan Calculator.
Combine all federal and private loans
Monthly payment
$318.93
Total paid
$38,271.64
Total interest
$8,271.64
Standard repayment only. Income-driven, forgiveness, and forbearance options change the numbers.
Not financial advice
The results from this calculator are provided for general informational and educational purposes only. They are estimates based on the assumptions you enter and do not constitute financial, tax, legal, or investment advice, nor a recommendation to buy, sell, or hold any financial product. Tax codes, rates, and regulations change frequently and vary by country, state, and local jurisdiction — and may differ based on your individual circumstances, employer plan rules, and provider policies. Always verify the figures with current official sources and consult a qualified financial, tax, or legal professional before making any financial decision. All calculations run privately in your browser; nothing you enter is sent to our servers.
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