Free Online Simple Interest Calculator
Calculate your Simple Interest with this free finance tool.
Enter values and select Calculate to see your result.
About this calculator
The Simple Interest Calculator is a free online finance tool on Calcuto. Enter Principal, Annual Rate Percent and Years, and it instantly works out your Simple Interest result and shows it below the form. You can change any value and recalculate right away to compare different scenarios. There is no sign-up and nothing to install: it works in any modern browser, on desktop, tablet, or phone.
How to use it
To use the Simple Interest Calculator, enter Principal, Annual Rate Percent and Years in the form above and select Calculate. Calcuto runs the Simple Interest calculation from your inputs and shows the result below the form. Change any input and calculate again to compare scenarios.
Frequently asked questions
Is the Simple Interest Calculator free to use?
Yes. The Simple Interest Calculator is completely free, with no sign-up or download required.
What information do I need for the Simple Interest Calculator?
Provide Principal, Annual Rate Percent and Years, then select Calculate to see your result.
Is my data saved when I use the Simple Interest Calculator?
No personal data is saved. Your inputs are used only to work out the result and are not stored; only your currency and theme preferences are kept in your own browser.
Does the Simple Interest Calculator work on mobile?
Yes. It works in any modern web browser on desktop, tablet, and mobile.