Simple Interest Calculator
Calculate simple interest and total amount using principal, rate of interest, and time. Ideal for students, banking, finance, and everyday calculations.
💡 Tip: Simple interest is calculated only on the principal amount, not on accumulated interest.
Simple Interest Formula & Example
Formula
Simple Interest (SI) = (Principal × Rate × Time) ÷ 100
Example
If you invest 10,000 at 5% per year for 2 years:
SI = (10,000 × 5 × 2) ÷ 100 = 1,000
Total Amount = 11,000