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Simple Interest Calculator

Calculate simple interest and total payable amount instantly using principal, rate, and time.

0
Interest
0
Total Amount

How to Use Simple Interest Calculator

  1. Enter the principal amount.
  2. Enter the annual interest rate.
  3. Enter the time period in years.
  4. Click Calculate to view the interest and total amount.

Features

🎯

Accurate results

⚡

Instant calculation

🔒

100% private

📱

Mobile friendly

Frequently Asked Questions

Is it free?

Yes.

What is the formula?

SI = (P × R × T) / 100.

How is this different from compound interest?

Simple interest is only calculated on the principal, not on accumulated interest.

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When is simple interest used?
Often for short-term loans or straightforward interest calculations, like some personal loans or bonds.
How is it different from compound interest?
Simple interest doesn't add interest-on-interest — it's linear rather than exponential growth.
Can I calculate the rate if I know the interest?
Yes, rearrange the formula: R = (SI × 100) / (P × T).

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