Simple Interest Calculator
Calculate simple interest and total amount from principal, rate and time. Free online simple interest calculator.
✓ 100% free ✓ No sign up ✓ Runs in your browser — nothing uploaded
Interest
750.00
Total amount 5,750.00
How to use Simple Interest Calculator
- 1Enter your numbers or dates.
- 2Results update instantly as you type.
- 3Copy the main result with one click.
Questions
Is Simple Interest Calculator free?
Yes. Simple Interest Calculator is 100% free with no limits, no watermark, no sign up and no email required.
Is my data sent anywhere?
No. Everything is calculated locally in your browser. Nothing you type is sent to or stored on any server.
Does Simple Interest Calculator work on my phone?
Yes. Simple Interest Calculator works in any modern browser on iPhone, Android, Windows, Mac, Linux and Chromebook. No app or install needed.
Do I need to create an account?
Never. There is no sign up, no login, no email and no paywall. Just open the page and use it.
How accurate is it?
Calculations use standard formulas with full floating-point precision. For medical, legal or financial decisions, please confirm with a professional.