Compound Interest Calculator

Forecast investment growth with compounding and recurring contributions.

Compound Interest Calculator helps you Forecast investment growth with compounding and recurring contributions. Use it to solve technical problems quickly when you need accurate intermediate values and final outputs for class, lab, or engineering work. The form is specific to this tool and captures inputs like Initial amount ($), Annual return (%), and Years, so required data is explicit before you run it. After running, review sections like Compound Interest Solver and Results to interpret results and verify they fit your real-world constraints. Save the exact inputs together with the result so teammates can reproduce and audit the output later.