LoanCheckup

FreeNo sign-in. Nothing leaves your browser.

Simple interest calculator

Interest on the amount you borrowed or saved, with no interest on interest. Then see how much more compounding would add.

Simple interest = principal × rate × time ÷ 100.

Common questions

What is the simple interest formula?

Principal × rate × time ÷ 100.

How is it different from compound interest?

Simple interest is only on the original amount. Compound interest is also on past interest.