$37K
Average federal student loan balance for bachelor's degree graduates
6.53%
Federal undergrad Direct Loan rate for 2025–26 academic year
10 yrs
Standard federal repayment plan length (can be extended)
$350
Approximate monthly payment on $37K at 6.53%, 10-year standard plan
About This Student Loan Calculator
Built for American students and graduates navigating federal and private student loan repayment in 2026.
About the Student Loan Calculator
The EmergencyFundCalculator.com Student Loan Calculator computes your exact monthly payment using the standard loan amortization formula, projects your total interest cost, generates a year-by-year amortization schedule, and quantifies the savings from extra monthly payments.
Unlike one-dimensional calculators, this tool includes a grace period modeling for federal loans, a federal vs. private comparison mode using current 2025–26 rates, and an extra payment accelerator — so you can see exactly how much earlier you'd pay off your debt and how much interest you'd save.
Before focusing on loan payoff: Build a 3–6 month emergency fund and capture your full employer 401(k) match. Both of these steps provide immediate returns that typically exceed student loan interest rates. Use our free Emergency Fund Calculator to find your target.
How to Use the Student Loan Calculator
A complete step-by-step guide — including where to find your exact loan numbers.
Step-by-Step Guide
- 1
Enter your total loan balance — For multiple loans, calculate each separately or add balances together with a blended rate. Find your exact balance at
studentaid.gov (federal) or your private servicer's portal.
- 2
Enter your interest rate — Federal rates are fixed per loan year (undergrad: 6.53%, grad: 8.08% for 2025–26). Private loans may have fixed or variable rates. Use the exact rate from your promissory note or servicer statement.
- 3
Select your repayment term — Standard federal is 10 years. Income-driven plans (SAVE, IBR, PAYE) extend this to 20–25 years at lower monthly payments but higher total interest.
- 4
Set your grace period — Federal loans: 6 months. Subsidized = no interest during grace. Unsubsidized = interest accrues. Private = varies by lender. Enter 0 if already in repayment.
- 5
Try the Extra Payment tab — Enter even $50/month to see the interest savings. The amortization table updates to show exactly which payments are eliminated.
- 6
Use the Compare tab — Compare federal (6.53%) vs. private (8.5% estimate) to understand the total cost difference for your specific balance and term.
Federal vs. Private Student Loans — Complete Comparison
The most important decision in student borrowing — and the one most students don't fully understand until they're already in repayment.
Federal vs. Private: Key Differences
| Feature | Federal Loans | Private Loans |
|---|
| 2025–26 Rates | 6.53%–9.08% fixed | 4–15%+ (variable or fixed) |
| Income-Driven Repayment | ✓ Yes (SAVE, IBR, PAYE, ICR) | ✗ No |
| Public Service Loan Forgiveness | ✓ Yes (after 10 yrs, PSLF) | ✗ No |
| Deferment / Forbearance | ✓ Robust options | Limited — lender-dependent |
| Credit Check Required | ✗ No (undergrad) | ✓ Yes (creditworthiness-based) |
| Prepayment Penalty | ✗ None (federal law) | Usually none — verify |
| Interest Subsidy Available | ✓ Subsidized loans (need-based) | ✗ No |
The rule: Always exhaust all federal aid (grants, subsidized loans, unsubsidized loans) before considering private loans. Federal loans have income-driven repayment options and forgiveness programs that private loans fundamentally cannot offer — these protections are worth accepting a slightly higher rate in many cases.
Current 2025–26 Federal Loan Rates
Federal Student Loan Rates (Academic Year 2025-2026):
Direct Subsidized Loans (undergrad) 6.53% fixed
Direct Unsubsidized Loans (undergrad) 6.53% fixed
Direct Unsubsidized Loans (grad) 8.08% fixed
Direct PLUS Loans (parent / grad) 9.08% fixed
Source: Federal Student Aid (studentaid.gov)
Rates are fixed for the life of each loan — they don't change year to year.
Rates are set annually based on the 10-year Treasury note yield + a fixed add-on.
Federal Student Loan Repayment Plans Explained
The plan you choose dramatically affects both your monthly payment and your total interest cost. Here's the complete breakdown for 2026.
Repayment Plan Comparison
| Plan | Term | Payment Based On | Forgiveness | Best For |
|---|
| Standard | 10 years | Fixed P&I | None | Lowest total interest cost |
| Graduated | 10 years | Low→High over time | None | Expected income growth |
| Extended | 25 years | Fixed or graduated | None | Lower monthly payments |
| SAVE | 20–25 years | 5–10% discretionary income | Yes (20-25yr) | Low income, large debt |
| IBR | 20–25 years | 10–15% discretionary income | Yes (20-25yr) | Partial financial hardship |
| PSLF | 10 years | IDR payment | Yes (10yr, tax-free) | Government/nonprofit work |
IDR plans frequently change: Income-driven repayment programs (especially SAVE) have undergone significant legal challenges and regulatory updates in 2024–2026. Always verify current plan details and eligibility at studentaid.gov before making repayment decisions.
Student Loan Calculator FAQ
Frequently Asked Questions
What are current federal student loan interest rates in 2026?
For the 2025–2026 academic year: Direct Subsidized and Unsubsidized Loans (undergraduate) = 6.53%, Direct Unsubsidized Loans (graduate) = 8.08%, Direct PLUS Loans (parent and graduate) = 9.08%. These are fixed rates for the life of each loan disbursed during that academic year. Verify current rates at studentaid.gov.
Should I pay off student loans or invest?
The recommended priority order: (1) build 3–6 month emergency fund, (2) capture full employer 401(k) match — that's an instant 50–100% return, (3) pay off high-interest debt (private loans 8%+, credit cards), (4) then split between investing and loan payoff based on your rate. If your federal loan rate is 6.53% and the S&P 500 historically returns ~10%, there's a mathematical case for investing. But guaranteed debt elimination has real value. For federal loans, also consider IDR and PSLF eligibility before aggressively paying off.
What is income-driven repayment (IDR) and who qualifies?
Income-driven repayment plans cap your federal student loan payment at 5–15% of discretionary income (depending on the plan) and forgive remaining balances after 20–25 years of payments. The SAVE plan (Saving on a Valuable Education) is the newest and most generous for many borrowers. To apply, visit studentaid.gov/idr. Note: IDR programs have undergone significant regulatory changes in 2024–2026 — verify current status before making decisions.
What is Public Service Loan Forgiveness (PSLF)?
PSLF forgives remaining federal student loan balances after 10 years (120 qualifying payments) of working full-time for a government or nonprofit organization. Unlike IDR forgiveness, PSLF forgiveness is tax-free. Eligible employers include public schools, hospitals, government agencies, and most nonprofits. Apply via the PSLF form at studentaid.gov. This program can save borrowers with large balances (graduate school, law, medicine) hundreds of thousands of dollars.
Can I pay off federal student loans early without penalty?
Yes — federal law prohibits prepayment penalties on federal student loans. You can pay any extra amount at any time with zero penalty. When making extra payments, specify "apply to principal" and target your highest-rate loan first (avalanche method) for maximum savings. Most private loans also lack prepayment penalties, but verify with your specific lender.
What happens to student loans during the grace period?
Federal loans have a 6-month grace period after graduation, leaving school, or dropping below half-time enrollment. During this period: Subsidized loans — the government covers interest, no cost to you. Unsubsidized loans — interest accrues and is added to your principal balance (capitalized) when the grace period ends, increasing the amount you owe. Making interest-only payments during the grace period on unsubsidized loans prevents this capitalization and saves money over the life of the loan.
Is my financial data private?
Yes, completely private. All calculations run in your browser using JavaScript. No data is transmitted to any server, stored in any database, or shared. Your financial numbers never leave your device.
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