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Student Loan Calculator

Data current for 2026 tax year

Calculate your monthly payments and see how extra payments can help you become debt-free faster.

Loan Details

$35,000
$5,000$200,000
6.8%
2%15%
10 years
5 years25 years
$0
$0$500

Payment Summary

Monthly Payment

$403

Payoff Time

10 years

Total Interest

$13,334

Total Paid

$48,334

Interest Saved

$0

Understanding Student Loan Repayment

Student loan debt has become one of the most significant financial challenges facing Americans today, with the average borrower carrying between $30,000 and $40,000 upon graduation. This debt can take 10 to 25 years to repay and significantly impact major life decisions like buying a home, starting a family, or saving for retirement. Understanding your repayment options and developing a strategic payoff plan can save you thousands of dollars in interest and years of monthly payments.

Federal vs. Private Loans: Key Differences

Federal student loans, issued by the U.S. Department of Education, offer flexible repayment options including income-driven repayment plans that cap payments at 10-20% of discretionary income. Federal loans also provide access to forgiveness programs like Public Service Loan Forgiveness (PSLF) and offer forbearance and deferment options during financial hardship. Private loans from banks or credit unions typically have fewer protections but may offer lower interest rates for borrowers with excellent credit and stable income. The critical decision point comes when considering refinancing: converting federal loans to private eliminates access to federal protections and forgiveness programs. Learn more about comparing loan options.

Income-Driven Repayment Plans Explained

For borrowers struggling with high monthly payments relative to income, income-driven repayment (IDR) plans can provide significant relief. The SAVE plan, PAYE, IBR, and ICR each calculate payments based on income and family size rather than loan balance. After 20-25 years of qualifying payments (depending on the plan), any remaining balance may be forgiven, though this forgiven amount may be taxable. These plans are exclusively available for federal loans and require annual income recertification.

Strategies to Pay Off Student Loans Faster

The most effective strategy for eliminating student debt quickly is the avalanche method, which targets the highest-rate loans first while making minimum payments on others. This mathematically minimizes total interest paid. Making biweekly payments instead of monthly results in one extra payment per year without feeling the budget strain. Enrolling in autopay typically earns a 0.25% interest rate reduction from most servicers. Perhaps most importantly, applying any extra income, tax refunds, bonuses, or raises directly to principal can dramatically accelerate your payoff timeline. Even an extra $50-100 per month can shave years off your repayment term and save thousands in interest. Understanding the true cost of debt can motivate aggressive repayment.

Public Service Loan Forgiveness (PSLF)

For borrowers working in government or qualifying nonprofit organizations, PSLF offers complete loan forgiveness after 120 qualifying payments (10 years) with no tax implications on the forgiven amount. To qualify, you must have Direct Loans (or consolidate into Direct Loans), be enrolled in an income-driven repayment plan, work full-time for a qualifying employer, and make 120 on-time payments. Recent program reforms have made PSLF more accessible, so check your eligibility if you work in public service. Explore more debt payoff strategies.

How to Use the Student Loan Calculator

1

Enter your loan balance

Input the total amount of your student loan(s). You can calculate for individual loans or your combined total balance.

2

Set the interest rate

Enter your loan's interest rate. Federal loans have fixed rates set by Congress; private loans may be fixed or variable.

3

Choose repayment term

Select your repayment period. Standard is 10 years for federal loans, but income-driven plans can extend to 20–25 years.

4

Explore extra payment scenarios

See how adding extra payments shortens your payoff time and reduces total interest. Even $50/month extra makes a big difference.

Student Loan Repayment Plans Compared: $35,000 at 5.5%

Repayment PlanMonthly PaymentTotal InterestPayoff Time
Standard (10-year)$380$10,60010 years
Extended (25-year)$215$29,50025 years
Graduated$220–$540$13,80010 years
Aggressive (+$200/mo)$580$6,1006 years
Income-Driven (est.)$175–$350Varies20–25 years

Income-driven plan payments depend on income and family size. Remaining balance may be forgiven after 20–25 years.

Frequently Asked Questions

What's the difference between federal and private student loans?
Federal student loans are issued by the government with fixed interest rates, income-driven repayment options, and forgiveness programs. Private loans come from banks or lenders with variable rates, fewer protections, and require credit checks. Always exhaust federal options first before considering private loans.
What is income-driven repayment (IDR)?
IDR plans cap your monthly payment at a percentage of your discretionary income (typically 10-20%). After 20-25 years of payments, the remaining balance may be forgiven. Options include SAVE (formerly REPAYE), PAYE, IBR, and ICR. These plans are only available for federal loans.
Should I refinance my student loans?
Refinancing can lower your interest rate if you have good credit and stable income. However, refinancing federal loans into private loans means losing access to income-driven repayment, Public Service Loan Forgiveness, and forbearance options. Only refinance federal loans if you're confident you won't need these protections.
What is Public Service Loan Forgiveness (PSLF)?
PSLF forgives remaining federal Direct Loan balances after 120 qualifying payments (10 years) while working full-time for a qualifying employer (government or 501(c)(3) nonprofits). You must be on an IDR plan, and forgiven amounts are tax-free. It's one of the best options for those in public service careers.
How can I pay off student loans faster?
Strategies include: paying more than the minimum (specify extra goes to principal), targeting highest-rate loans first (avalanche method), enrolling in autopay for a 0.25% rate reduction, making biweekly payments, and putting windfalls toward loans. Even small extra payments significantly reduce total interest.
What happens if I can't afford my student loan payments?
For federal loans: apply for income-driven repayment, request deferment or forbearance, or explore forgiveness programs. For private loans: contact your lender about hardship options. Never ignore payments—defaulting damages credit and can lead to wage garnishment and tax refund seizure.