Simple Interest Calculator

Calculate simple interest on a principal amount.

💵 Simple Interest
$
$100$1M
%
0%25%
Total Amount
$12,500
$2,500 interest earned
📊 Interest Summary
Principal
$10,000
Interest Earned
$2,500
Total Amount
$12,500
Daily Interest
$1.37
📊 Simple vs. Compound Interest

Shows why compound interest grows faster over time.

📐 Formula
I = P × r × t
Where:
I = Interest, P = Principal
r = Annual Rate, t = Time (years)