Simple Interest Calculator
Interest = Principal × Rate × Time.
WhatMathsSIM-18
Example
$1,000 at 5% per year for 3 years earns 1,000 × 0.05 × 3 = $150 in interest, for a total of $1,150.
Interest = Principal × Rate × Time.
$1,000 at 5% per year for 3 years earns 1,000 × 0.05 × 3 = $150 in interest, for a total of $1,150.