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How it is calculatedSimple interest = principal × annual rate × time. Total amount = principal + simple interest.
How to use this calculator
- Enter the requested numbers, dates or times in the fields above.
- Select Calculate to see your result and the calculation details.
- Change an input to start a new calculation, or select Reset to clear the fields.
Your inputs are processed in this browser and are not sent to QuickQR.
Frequently asked questions
How does the simple interest calculator work?
Calculate simple interest and the total amount from principal, annual rate and time.
Are my calculation inputs sent to a server?
No. The calculation runs in your browser. QuickQR does not receive or store the values you enter.
Can I use the simple interest calculator on my phone?
Yes. This calculator is designed for desktop, tablet and mobile browsers.