Mondo Knows Tools
Student Loan Calculator
Payment and total interest on a student loan. Use the free student loan calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.
$
%
years
Mondo says
Monthly payment
$333.06
/mo
Total interest$9,967.38
Total paid$39,967.38
Payments120
How it works
Student Loan Calculator works out the level payment that clears the balance over the term, then splits every payment into interest and principal.
The formula
Payment = P x r / (1 - (1 + r)^-n), where r is the periodic rate and n the number of payments.Student Loan Calculator: common questions
- What does the Student Loan Calculator work out?
- Payment and total interest on a student loan. It is one of the Money & Finance tools on Mondo Knows.
- How is the Student Loan Calculator calculated?
- Student Loan Calculator works out the level payment that clears the balance over the term, then splits every payment into interest and principal. The maths is short enough to check by hand: Payment = P x r / (1 - (1 + r)^-n), where r is the periodic rate and n the number of payments.
- Do I need to sign up, and is my data stored?
- No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.
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Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.