Interest Calculator – Simple, Compound & Fixed Interest

 

Calculate your simple or compound interest with accurate results and breakdown.

Instructions: Choose interest type, input values, and hit "Calculate". Pie chart will appear with results.

Interest Type Simple Interest Compound Interest Principal Amount Annual Interest Rate (%) Time Duration Time Unit Years Months Days

Example: Investing $5,000 at 5% annual interest for 3 years yields $750 (simple) or $788 (compound annually).