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Loan Payment Calculator
Calculate monthly loan payments, total interest, and the effect of an optional extra monthly payment.
● Live calculatorInputs
Primary result
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M = P × r(1+r)ⁿ ÷ ((1+r)ⁿ − 1)
How this calculator works
Calculate monthly loan payments, total interest, and the effect of an optional extra monthly payment.
The calculator keeps the inputs visible alongside the result so you can compare assumptions, change one value at a time, and copy or print the current estimate.
Frequently asked questions
Should I pay extra?
Extra principal can shorten repayment and reduce interest; check for prepayment terms.
What is APR?
APR includes interest and certain loan costs, while the stated rate is the borrowing rate.