Simple Interest Calculator
Calculate simple interest and total amount.
About this calculator
Use this calculator to estimate simple interest for a fixed principal over time.
How to use
- Enter the principal amount.
- Enter the annual rate and number of years.
- Read the interest and total amount.
Formula
Interest = Principal × Rate × Years Total = Principal + Interest
Example
1,000 at 5% for 2 years → interest 100, total 1,100.
FAQ
Does this include compounding?
No. This calculator uses simple interest only.
Can the rate be zero?
Yes. A zero rate gives zero interest.
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Results are for informational purposes only. Verify important calculations independently.