SI

Simple Interest Calculator

Interest and total payable on a simple-interest loan.

Interest earned
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Total amount
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How to calculate simple interest free

Calculate Simple Interest free with this simple interest calculator. It shows interest and total payable from principal, rate, and time.

How to calculate simple interest: enter principal, annual rate, and time.

This simple interest calculator free page is built for desktop and mobile. Simple Interest Calculator Online free means no account, no install, and no signup.

Also try Percentage Calculator, Loan EMI Calculator, Compound Interest Calculator, GST Calculator.

simple interest calculator free FAQ

How do I calculate simple interest?

Enter principal, annual rate, and time. Interest and total payable appear on the right.

What is the simple interest formula?

Simple interest is principal × rate × time. It does not compound.

Is the simple interest calculator free?

Yes. You can calculate simple interest free with no signup and no software to install.

Can I calculate simple interest on mobile?

Yes. This simple interest calculator online free tool works in a mobile browser. Open the page and get your result.

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