📈 Simple Interest Calculator principal · rate · time

Calculate interest easily with daily, monthly, or yearly periods — detailed breakdown included
$
%
Years
Months
Days
Quick examples: $10k @5% 3y $5k @7.5% 2y $25k @4.25% 5y
Principal
$10,000
Total Interest
$1,650
Total Amount
$11,650
SIMPLE INTEREST FORMULA
I = P × r × t $10,000 × 5.5% × 3
Principal (P) $10,000.00
Annual Rate (r) 5.50%
Time (t) 3.00 years
Simple Interest $1,650.00
Maturity Amount $11,650.00
📅 Interest per year
⚡ Simple interest does not compound — interest is calculated only on the principal