Interest Calculator
Calculate simple and compound interest with ease
Simple Interest
Compound Interest
Experience effortless financial planning with our free online interest calculator, a versatile tool that instantly computes both simple and compound interest to help you visualize your investment growth or loan costs. This intuitive web-based calculator requires no downloads or registrations—simply input your principal amount, interest rate, time period, and compounding frequency to receive immediate, clear comparisons of your earnings through dynamically updated results and visual charts. Perfect for students, investors, and financial novices alike, this comprehensive tool empowers you to make informed money decisions by revealing how compound interest outperforms simple interest over time, all accessible directly in your browser at zero cost with complete privacy.