Student Loan Calculator

Estimate your student loan payments under different repayment plans and see the total cost of your education debt.

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Written by Michael Torres, CFA
Senior Financial Analyst
JW
Fact-checked by Dr. James Wilson, PhD
Options Strategy Researcher
Financial PlanningFact-Checked

Input Values

$

Total outstanding student loan balance.

%

Weighted average interest rate across all loans.

Standard is 10 years; extended plans go up to 25 years.

$

Your gross annual income (used for income-driven plan estimates).

$

Additional amount paid above minimum each month.

Results

Standard Monthly Payment
$0.00
Total Interest (Standard Plan)
$0.00
Total Amount Paid$0.00
Est. Income-Driven Payment$0.00
Payoff Date0
Results update automatically as you change input values.

Understanding Student Loan Repayment

Student loan debt affects approximately 43 million Americans with a total outstanding balance exceeding $1.7 trillion. The average student loan balance for 2024 graduates is approximately $37,000. Understanding your repayment options is crucial for managing this debt effectively while still pursuing other financial goals like saving for retirement, buying a home, and building an emergency fund. This calculator helps you estimate payments under different repayment plans and strategies.

Federal student loans offer multiple repayment plans, from the standard 10-year plan to income-driven plans that cap payments at a percentage of your discretionary income. Private student loans typically offer fewer options but may have lower interest rates for borrowers with excellent credit. Choosing the right repayment plan depends on your income, other debts, financial goals, and whether you are pursuing Public Service Loan Forgiveness (PSLF) or other forgiveness programs.

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SAVE Plan Update

The SAVE (Saving on a Valuable Education) plan caps undergraduate loan payments at 5% of discretionary income and offers forgiveness after 20-25 years. For borrowers who originally borrowed $12,000 or less, forgiveness can occur after just 10 years. Check studentaid.gov for current eligibility.

Federal Student Loan Repayment Plans

Federal Repayment Plan Comparison ($35,000 at 5.5%)
PlanMonthly PaymentRepayment PeriodTotal PaidTotal Interest
Standard$38010 years$45,576$10,576
Graduated$218-$65410 years$47,832$12,832
Extended Fixed$23725 years$71,064$36,064
SAVE (5% discretionary)~$180-25020-25 yearsVaries + forgivenessVaries
PAYE/IBR (10%)~$27520-25 yearsVaries + forgivenessVaries
Standard Plan Monthly Payment
M = L × [r(1+r)^n] / [(1+r)^n - 1]
Where:
M = Monthly payment
L = Total loan balance
r = Monthly interest rate (annual / 12)
n = Number of payments (10 years = 120)
Student Loan Repayment Comparison
Given
Balance
$35,000
Rate
5.5%
Income
$55,000
Calculation Steps
  1. 1Standard plan (10 years): $380/month, $10,576 total interest
  2. 2With $100 extra/month: Paid off in 7.5 years, $7,644 total interest
  3. 3Interest saved: $10,576 - $7,644 = $2,932
  4. 4SAVE plan estimate: ~$220/month (5% of income above 225% FPL)
  5. 5Extended plan (25 years): $237/month, $36,064 total interest
Result
The standard 10-year plan costs $380/month with $10,576 in total interest. Adding $100/month saves $2,932 and eliminates the debt 2.5 years sooner. The extended plan's lower $237 payment costs an additional $25,488 in total interest.

Student Loan Payoff Strategies

Accelerate Your Student Loan Payoff

1
Refinance if You Can Get a Lower Rate
Refinancing federal loans to a private lender at a lower rate can save thousands in interest. However, you lose federal benefits like income-driven repayment, PSLF eligibility, and forbearance options. Only refinance if you have stable income and do not need federal protections.
2
Target the Highest-Rate Loans First
If you have multiple loans at different rates, make minimum payments on all and direct extra money to the highest-rate loan (avalanche method). This minimizes total interest across all your loans.
3
Use Employer Student Loan Benefits
Many employers now offer student loan repayment assistance of $50-200/month. Since 2021, employers can contribute up to $5,250 tax-free per year toward employee student loans. Check if your employer offers this benefit.
4
Explore Forgiveness Programs
Public Service Loan Forgiveness (PSLF) forgives remaining balances after 120 qualifying payments for government and nonprofit employees. Income-driven plans offer forgiveness after 20-25 years. Teacher Loan Forgiveness offers up to $17,500 for qualifying teachers.
5
Avoid Forbearance When Possible
During forbearance, interest continues to accrue and may capitalize (add to your principal balance). If you are struggling, income-driven repayment plans can reduce payments to as low as $0/month without the interest capitalization risk.

Student Loan Interest Deduction

  • You can deduct up to $2,500 per year in student loan interest on your federal tax return
  • This is an above-the-line deduction (you do not need to itemize)
  • The deduction phases out for single filers with MAGI between $80,000 and $95,000
  • For married filing jointly, the phase-out is $165,000 to $195,000
  • At a 22% tax bracket, the maximum deduction saves $550 per year in taxes
  • Both federal and private student loan interest qualifies for the deduction

Student Loans in Canada

Canadian student loans are provided through the Canada Student Loans Program (CSLP) for federal loans and provincial programs. The federal student loan interest rate is set at the prime rate (no longer prime + 2.5% after 2023 changes). The Repayment Assistance Plan (RAP) caps payments at 20% of household income for borrowers who cannot afford standard payments. Interest on Canadian student loans is eligible for a non-refundable tax credit of 15% federal (plus provincial credits). Canada eliminated interest on federal student loans effective April 2023, making the effective rate 0% on the federal portion. The average Canadian student graduates with about $28,000 in debt.

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Student Loan Scam Alert

Never pay a company to help you consolidate or get forgiveness on federal student loans. All federal repayment plans, consolidation, and forgiveness programs are free through studentaid.gov. Companies that charge fees for these services are taking your money for something you can do yourself for free. Be especially wary of companies that guarantee immediate loan forgiveness.

Frequently Asked Questions

The best strategy depends on your situation. For most borrowers: (1) Enroll in the right repayment plan (standard for highest income, income-driven if payments are unaffordable). (2) Make extra payments toward the highest-rate loan. (3) Consider refinancing if you can get a significantly lower rate and do not need federal protections. (4) Use employer repayment benefits if available. (5) Explore forgiveness programs if you work in public service or qualifying nonprofits.

Sources & References

  • U.S. Securities and Exchange Commission (SEC) - Investor Education
  • Options Clearing Corporation (OCC) - Options Education
  • Chicago Board Options Exchange (CBOE) - Options Strategies
  • Hull, J.C. "Options, Futures, and Other Derivatives" (11th Edition, 2021)

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