Simple Interest Calculator
Live simple interest (I = P × R × T / 100).
Details
Simple Interest Result
Total Amount
₹12,400
Breakdown
Interest Earned
₹2,400
Principal
₹10,000
Rate × Time
8% × 3y
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AI insight
How to use
- Fill in the required fields carefully.
- Click Calculate.
- Check the result panel for the answer and extra details.
How this tool works
Simple interest grows only on the original principal, not on accumulated interest.
Formula
Interest = P×R×T/100. Total = P + interest.
Example
P=10,000, R=8%, T=3 years → interest 2,400, total 12,400.
Frequently asked questions
When is simple interest used?
Some short-term loans or teaching examples use SI; many modern products use compound interest instead.