Simple Interest Calculator

Calculate simple interest on loans and investments

Fast, accurate calculations with clear results. Built for speed and ease of use.

Formula

I = P × r × t

How to Use Simple Interest Calculator

  1. Provide your input values.
  2. Understand the calculation method shown.
  3. Get immediate and accurate results.
  4. Use the output for planning or analysis.

Examples

Example 1
Input
principal: 10000
rate: 5
time: 5
Output
interest: 2500
total: 12500

Frequently Asked Questions

How does this calculator work?

Simply input your numbers, and our tool computes the result using industry-standard formulas instantly.

Is this calculator free to use?

Yes, completely free. No registration, no hidden fees, and no limits on how many calculations you can perform.

Can I bookmark specific calculations?

Yes. Each calculator has a unique URL you can bookmark and share with others for quick access.

What makes this calculator different?

Clean interface, instant results, mobile-optimized design, and no unnecessary features or clutter.

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