Student Loan Payment Calculator – Monthly Cost

Student loans can be confusing, but the basic question most borrowers care about is simple: how much will this loan cost me every month and over the life of the loan? This student loan payment calculator helps you turn balances, interest rates and repayment terms into clear dollar amounts you can plan around.


Student Loan Payment Calculator

Enter your student loan balance, rate and term.
Total amount you owe across student loans you want to include.
Average yearly interest rate across those loans.
How long you expect to take to pay the loan, in years.
Results update automatically as you change the inputs. This tool uses a fixed-rate amortizing loan and simplified assumptions and does not replace personalized financial advice.
Estimated monthly payment $0.00
Total cost including interest $0.00
Total interest over the term $0.00
Number of payments 0
Loan cost breakdown
Principal balance
$0.00
Interest
$0.00


Embed this calculator on your site

For best results, paste this snippet into a main content area or a container up to about 1200px wide. The iframe is responsive and its height automatically adjusts to the calculator content.

How to use this student loan payment calculator

This calculator is designed to mirror how a typical fixed-rate student loan works. It uses your loan balance, interest rate and repayment term to estimate a level monthly payment, similar to the standard 10-year repayment plan many federal student loans use.

Here is what each input means and how to choose realistic values:

  • Total student loan balance ($): The total amount you owe on the student loans you want to include. If you have multiple loans, you can either enter the combined balance or run separate scenarios for each loan.
  • Annual interest rate (APR %): The yearly interest rate for your loan. Federal student loans have fixed rates that depend on the type of loan and the year you borrowed. Private student loans may have fixed or variable rates. If you are unsure, check your loan statement or servicer portal.
  • Repayment term (years): How long you expect to take to repay the loan. Standard federal repayment is often 10 years, while extended or income-driven plans can stretch to 20 or 25 years. For private loans, terms like 5, 7, 10 or 15 years are common.

As you change the numbers, the calculator automatically updates the payment and cost. There is no separate Calculate button to click. If you enter something that does not make sense (for example, a negative balance or an interest rate above 20%), the tool will show an error message instead of a misleading result.

Example: typical fixed-rate student loan

Suppose you have:

  • Total student loan balance: $35,000
  • Annual interest rate: 6.5%
  • Repayment term: 10 years

With these inputs, your monthly payment is roughly in the high $300s, and your total interest over 10 years is in the low five figures. This gives you a sense of how much room the loan will take in your monthly budget and how much extra you pay for borrowing the money over time.

Tip: Try running a few scenarios before taking out a new loan. Compare a 10-year term with a longer term like 15 or 20 years. You will see that longer terms can reduce the monthly payment but usually increase total interest by a large amount.

Understanding your student loan payment results

The results panel focuses on the information most borrowers look for first: the monthly payment and how much they will pay in interest over the life of the loan. Behind the scenes, the calculator uses the same amortization math that lenders use for fixed-rate installment loans.

You will see several key outputs:

  • Estimated monthly payment: The amount you would pay each month if you make equal payments for the entire term and your interest rate stays the same.
  • Total cost including interest: The sum of all payments over the life of the loan. This includes the amount you borrowed plus all interest charges.
  • Total interest over the term: The extra amount you pay above what you borrowed. This is one of the best numbers for understanding how expensive the loan really is.
  • Number of payments: How many monthly payments you will make over the term (for example, 120 payments over 10 years).

The breakdown bar shows how much of your total cost is principal versus interest. If you choose a shorter term or a lower interest rate, the interest portion shrinks. If you stretch out the loan over many years or borrow at a higher rate, interest becomes a larger share of the total.

ScenarioBalanceRateTermMonthly payment trendTotal interest trend
Short term, higher payment$25,0006%5 yearsHigher monthly paymentLower total interest
Standard 10-year plan$35,0006.5%10 yearsModerate paymentModerate total interest
Longer term, lower payment$35,0006.5%20 yearsLower monthly paymentMuch higher total interest

Note: This calculator assumes a fixed interest rate and level payments. It does not model income-driven repayment plans, deferment, forbearance or periods where interest is not being paid. For those situations, treat the results as a rough starting point rather than an exact projection.

How to lower student loan payments or pay them off faster

Once you know your baseline payment and total cost, you can start exploring ways to make your student debt more manageable. Small changes in your plan can affect both your monthly budget and the amount of interest you pay over time.

  • Choosing the right term length: A longer term, such as 15 or 20 years, can shrink your monthly payment but often adds thousands of dollars in extra interest. A shorter term increases the payment but gets you out of debt sooner and usually costs less overall.
  • Paying a little extra each month: Even if your required payment is fixed, sending an extra $25, $50 or $100 per month and asking your servicer to apply it to principal can reduce your payoff time and interest. You can model the impact by lowering the term in the calculator until the monthly payment matches what you are willing to pay.
  • Looking at consolidation or refinancing: If you qualify for a lower interest rate, refinancing or consolidating at that lower rate can reduce both the monthly payment and total interest. Always weigh this against losing federal loan benefits like income-driven repayment or forgiveness.
  • Using income-driven repayment carefully: Income-driven plans can make payments more affordable in the short term, especially for federal loans, but they may extend your repayment period and increase total interest. Use the calculator with longer terms to get a feel for that trade-off.

Important: Student loans are complex, and this calculator does not replace a full review of your options. Before choosing a repayment strategy or refinancing federal loans into a private loan, consider talking with your servicer or a qualified financial professional who understands student debt rules.

Frequently Asked Questions (FAQs)

What is a typical interest rate for student loans?

Federal student loan rates change each year and depend on whether the loan is for undergraduate, graduate or parent borrowers. Private student loan rates can vary based on your credit profile and whether the rate is fixed or variable. Many borrowers see rates in the mid single digits to low double digits, but your actual rate will depend on your lender and creditworthiness.

Does this calculator work for multiple student loans?

Yes, you can enter the combined balance and an average interest rate to get a rough monthly payment for all your loans together. For more detail, you can also run separate scenarios for each loan and add the monthly payments to see your total student loan payment.

Does this calculator include income-driven repayment plans?

No. This tool assumes a fixed-rate loan with equal monthly payments over a set term. Income-driven plans base your payment on your income and family size, and payments can change over time. For federal loans on income-driven repayment, the numbers from this calculator are best used as a comparison against a traditional fixed payment plan.

What happens if I pay more than the minimum each month?

Paying more than the minimum can reduce your total interest and shorten your payoff time. To see the impact, you can lower the term in the calculator until the payment is close to the amount you are willing to pay each month. Then compare the new total interest figure with your original scenario.

Is student loan interest tax deductible?

In many cases, up to a limited amount of student loan interest may be deductible on your federal income tax return if you meet income and other eligibility rules. The calculator does not account for tax effects. For detailed rules and current limits, check IRS guidance or talk with a tax professional.

Sources