Compound Interest Calculator
Investment growth with contributions
Results are projections and do not account for taxes or fees.
◈ How to Use
Enter your initial investment and monthly contribution
Set the interest rate, compounding frequency, and time period
View the growth chart and final balance
◉ Who Is This For?
- ✓Investors planning long-term savings
- ✓Students learning about compound interest
- ✓Financial planners modeling investment growth
★ Why Choose EllyTools?
100% Free & Unlimited
No sign-up, no limits. Use as many times as you want.
Privacy First
All processing happens in your browser. Your files never leave your device.
No Installation Required
Works directly in your browser on any device — desktop, tablet, or phone.
Fast & Reliable
Instant results powered by modern browser technology.
