Introduction

The Simple Interest Calculator allows users to calculate any one of the following: Principal (P), Rate (R), Time (T), or Simple Interest (SI) based on the formula:

Key formulas:

SI = (P × R × T) / 100

P = (SI × 100) / (R × T)

R = (SI × 100) / (P × T)

T = (SI × 100) / (P × R)