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Free Student Loan Calculators

See exactly when you’ll be debt-free, how much your monthly payment could be on an income-driven plan, and what refinancing would save you — all instantly, free, and no data ever stored.

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📈 The average US student loan borrower carries $37,717 in debt.
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10 Free Student Loan Calculators

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Student Loan Payoff Calculator
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How Student Loan Calculators Work

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1. Enter your numbers

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Know your exact payoff date, forgiveness amount, or refinance savings — based on your real numbers, not industry guesswork.

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43.5 million Americans hold federal student debt. Here are the questions they search for most — answered in plain English.

FAQ

Student Loan FAQ: Payoff, IDR, PSLF & Refinancing Explained

Straight answers to the questions borrowers search for most.

The average federal student loan balance for bachelor's degree holders is approximately $37,717 as of 2024. Graduate borrowers typically carry $62,000 or more. On the standard 10-year plan at current rates, that translates to a monthly payment of roughly $390-$420. Use the Payoff Calculator above to see your exact numbers and timeline.
SAVE (Saving on a Valuable Education) is the newest plan, capping payments at 10% of income above 225% of the federal poverty line — the most generous threshold. PAYE caps at 10% above 150% FPL but requires you to be a newer borrower. IBR caps at 10% (new borrowers) or 15% (older borrowers) above 150% FPL. ICR caps at 20% above 100% FPL. Use the IDR Calculator to compare all four plans instantly at your income level.
Refinancing federal loans with a private lender is a permanent decision — you permanently give up access to income-driven repayment, PSLF eligibility, and federal deferment and forbearance protections. In exchange you may receive a lower rate. It makes financial sense if you have stable high income, excellent credit (720+), and are certain you will not need federal protections. Use the Refinance Savings Calculator to see your exact monthly and lifetime savings before committing.
PSLF forgives your remaining federal Direct Loan balance after making 120 qualifying on-time monthly payments on an income-driven repayment plan while working full-time for a qualifying employer. Government agencies (federal, state, local, tribal) and most 501(c)(3) nonprofits qualify. PSLF forgiven amounts are not considered taxable income under current law. Submit an Employment Certification Form (ECF) annually to track progress. Use the PSLF Estimator to see your projected forgiven amount.
On unsubsidized federal loans, interest continues accruing at your full rate during deferment. On a $20,000 loan at 5%, that is approximately $1,000 in interest per year of deferment. When deferment ends, unpaid interest is capitalized — added to your principal — so you then pay interest on the higher balance. Subsidized loans accrue no interest during qualifying deferment periods. Use the Deferment Cost Calculator to see the exact long-term impact for your loan.
On a $25,000 loan at 5.5% with a standard $265 per month payment, adding $100 extra per month eliminates roughly 2.5 years of payments and saves approximately $1,836 in total interest. On a larger $37,000 balance, $100 extra saves over $3,000. There are no prepayment penalties on federal student loans or most private loans. Use the Extra Payment Calculator to model your exact scenario and see month and interest savings instantly.
It depends entirely on the salary premium the degree generates relative to the debt. An MBA that boosts your salary by $25,000 per year and costs $60,000 in additional loans breaks even in about 3 years — strong ROI. A humanities degree that adds $5,000 per year but costs $80,000 takes 16+ years to break even — poor ROI. The key metric is your debt-to-salary ratio at graduation. Use the Grad School ROI Calculator to model your specific program, expected salary, and career length.
Most financial advisors consider student loan debt below 1x your annual salary manageable. Between 1x and 1.5x is a caution zone requiring careful budgeting. Above 1.5x — common for graduate and professional degree borrowers — income-driven repayment often becomes necessary. For monthly cash flow, keeping your loan payment below 10% of take-home pay is considered healthy; 10-15% is moderate; above 15% is a heavy burden. Use the Salary vs Debt Ratio Calculator to see your personal ratings instantly.
Most private lenders require a minimum credit score of 650 to qualify for student loan refinancing, though you will typically need 720 or above to access competitive rates. Lenders also evaluate income, debt-to-income ratio, and employment stability. Many allow a co-signer if your solo profile does not qualify. Always check your rate from multiple lenders — most offer soft-pull pre-qualification that does not affect your credit score.
Subsidized Direct Loans are need-based — the government pays the interest that accrues while you are in school at least half-time, during the 6-month grace period, and during qualifying deferment periods. Unsubsidized loans are available regardless of financial need, but interest accrues from the day the loan is disbursed. Leaving unsubsidized interest unpaid while in school means it capitalizes at repayment, increasing your starting balance and lifetime cost. Use the Deferment Cost Calculator to model this impact on your balance.
The most effective strategy is making extra payments directly to principal. On a $30,000 loan at 5.5%, an extra $100 per month cuts almost 3 years off your repayment and saves over $3,000 in interest — with no prepayment penalty on federal or most private loans. Refinancing to a lower rate amplifies the impact further. Use the Extra Payment Calculator to model your exact scenario, then the Refinance Savings Calculator to see if a rate reduction stacks on top.
As of 2026, the SAVE plan is subject to ongoing litigation and some provisions have been paused by federal courts. Borrowers enrolled in SAVE may have been placed into a general administrative forbearance while the legal challenge is resolved. Payments during forbearance do not typically count toward PSLF or IDR forgiveness. Check studentaid.gov for the current status of your account before making repayment decisions.
Federal student loan borrowers have several options before default: income-driven repayment can reduce your payment to as low as $0 per month; deferment pauses payments temporarily (interest still accrues on unsubsidized loans); and forbearance is available for up to 12 months at a time for qualifying hardships. Contact your servicer before missing a payment — options disappear after 270 days of non-payment when the loan enters default, which triggers wage garnishment and credit damage.
Yes — federal borrowers have three main paths. PSLF forgives Direct Loan balances after 120 qualifying payments while working full-time for a government or nonprofit employer, tax-free. IDR forgiveness cancels remaining balances after 20–25 years of income-driven payments (forgiven amounts may be taxable). Teacher Loan Forgiveness cancels up to $17,500 for full-time teachers in low-income schools after 5 consecutive years. Private loans generally do not qualify for forgiveness programs. Use the PSLF Estimator to see if you qualify for the most valuable option.
Checking your rate with most lenders — including SoFi, Earnest, Credible, and Splash Financial — uses a soft credit pull and does not affect your score. Submitting a full application triggers a hard inquiry, which may temporarily reduce your score by 5–10 points. Shopping multiple lenders within a 14–45 day window typically counts as a single hard inquiry under FICO rate-shopping rules. The more important consideration: refinancing federal loans to a private lender permanently removes access to IDR, PSLF, and federal hardship programs.
The Standard Repayment Plan divides your total federal loan balance into 120 equal monthly payments over 10 years. At the average federal rate of 6.54% for 2024–25, the monthly payment on the average $37,717 balance is approximately $429. While this plan costs less in total interest than longer-term plans, the fixed monthly payment can feel high relative to an entry-level salary. Use the Total Interest Paid Calculator to compare what you'd pay across 10, 15, 20, 25, and 30-year terms at your specific balance and rate.
Yes — federal student loan borrowers can switch repayment plans at any time at no cost by contacting their servicer or through studentaid.gov. Switching from the Standard Plan to an IDR plan immediately lowers your monthly payment based on income. There is no penalty for changing plans, though switching out of an IDR plan mid-stream resets some forgiveness progress tracking. Private loans are generally locked into the repayment terms you agreed to at origination, though some lenders offer hardship modifications.
Default on federal student loans occurs after 270 days of missed payments. Consequences include: the full balance becoming immediately due, wage and tax refund garnishment without a court order, loss of all repayment plan options and deferment rights, serious credit damage, and loss of future federal financial aid eligibility. Borrowers can get out of default through loan rehabilitation (9 on-time payments in 10 months) or loan consolidation, both of which restore access to repayment plans and forgiveness programs. Private loan default timelines and consequences vary by lender.
Federal tax law allows you to deduct up to $2,500 in student loan interest paid per year from your taxable income, reducing your tax bill by up to $550 if you are in the 22% bracket. The deduction phases out at modified adjusted gross incomes between $75,000 and $90,000 for single filers (2024 thresholds — check IRS.gov for current limits). You do not need to itemize to claim it. The deduction applies to both federal and private student loan interest. Your loan servicer will send a Form 1098-E each January showing the interest paid.
Both pause your loan payments, but they differ in eligibility and interest treatment. Deferment is granted for specific qualifying situations — enrollment in school, unemployment, economic hardship — and on subsidized loans the government pays the interest during this period. Forbearance is generally easier to obtain but interest accrues on all loan types throughout, including subsidized loans, and capitalizes when the period ends. For most borrowers facing financial hardship, an IDR plan that sets your payment to $0 based on income is better than either option because qualifying payments still count toward PSLF and IDR forgiveness timelines.

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Reference Data

Average Student Loan Debt by Degree & Major — 2024

How does your debt compare? This table shows average federal loan balances at graduation, estimated monthly payments at the standard 10-year rate, average starting salaries, and the resulting debt-to-salary ratio for each degree level and major category.

By Degree Level

Monthly payment calculated at 6.54% federal rate, 10-year standard repayment. Salary data from BLS Occupational Outlook Handbook 2024.

Degree Level Avg Debt Monthly Pmt Avg Starting Salary Debt-to-Salary Rating
Associate Degree $14,100 $160/mo $38,000 0.37× Safe
Bachelor's Degree $37,717 $429/mo $56,000 0.67× Safe
Master's Degree $62,000 $705/mo $73,000 0.85× Safe
MBA $66,300 $754/mo $96,000 0.69× Safe
Law Degree (JD) $130,900 $1,488/mo $78,000 1.68× Stressed
Doctoral / PhD $71,000 $807/mo $62,000 1.15× Caution
Medicine (MD) $201,490 $2,291/mo $60,000† 3.36× Stressed
Dental (DDS) $293,900 $3,341/mo $160,000 1.84× Stressed

† Resident physician salary. Attending salary typically $210,000+, which improves DTI significantly after residency.

By Undergraduate Major

Average debt and starting salary by field of study. Debt-to-salary below 1.0× is generally considered manageable on a standard repayment plan.

Major / Field Avg Debt Avg Starting Salary DTI Rating
Computer Science / Engineering $32,000 $75,000 0.43× Safe
Business / Finance $33,000 $55,000 0.60× Safe
Nursing / Health Sciences $40,000 $60,000 0.67× Safe
Biology / Life Sciences $38,000 $45,000 0.84× Safe
Education / Teaching $30,000 $38,000 0.79× Safe
Liberal Arts / Humanities $32,000 $40,000 0.80× Safe
Psychology $36,000 $38,000 0.95× Safe
Art / Design / Music $31,000 $38,000 0.82× Safe
Social Work $38,000 $36,000 1.06× Caution
Fine Arts MFA / Grad Arts $58,000 $32,000 1.81× Stressed

Key Takeaways

The 1× rule: Borrowing less than your expected starting salary is considered safe by most financial advisors. Most bachelor's degrees meet this threshold.

IDR is the safety net: Borrowers with debt-to-salary ratios above 1× are prime candidates for income-driven repayment plans. PSLF is especially powerful for social workers, teachers, and government employees.

Grad debt compounds quickly: Professional degrees (MD, JD, DDS) carry very high debt loads. Even with high salaries, residents and new attorneys often need IDR plans to manage payments during early career years.

Sources: Federal Student Aid Annual Portfolio Summary 2024 · NCES · BLS Occupational Outlook Handbook 2024–25 · AAMC · ADA. Monthly payments calculated at 6.54% federal rate, 10-year standard term. Figures are national averages — individual outcomes vary significantly by school, state, and employer.

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