What does the Simple Interest Calculator work out?

Interest that never compounds, straight from the formula I = P r t. It is one of the Money & Finance tools on Mondo Knows.

How is the Simple Interest Calculator calculated?

You get an instant answer with the working shown underneath.

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.

Mondo Knows Tools

Simple Interest Calculator

Interest that never compounds, straight from the formula I = P r t. Use the free simple interest 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.

Principal

Annual rate

Time

years

Mondo says

Interest

$1,500.00

Total owed$11,500.00

Principal$10,000.00

Simple Interest Calculator: common questions

What does the Simple Interest Calculator work out?: Interest that never compounds, straight from the formula I = P r t. It is one of the Money & Finance tools on Mondo Knows.
How is the Simple Interest Calculator calculated?: You get an instant answer with the working shown underneath.
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.

Mondo also knows

Interest CalculatorSimple or compound interest on a balance.💰 Money & Finance Compound Interest CalculatorGrowth with compounding and optional regular deposits.💰 Money & Finance Social Security CalculatorRough estimate of a US retirement benefit from your earnings.💰 Money & Finance Student Loan CalculatorPayment and total interest on a student loan.💰 Money & Finance

Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.