Snowball: Compound Calculator

Experience the magic of compound interest — visually.

No complicated financial formulas or calculations required.
Snowball is an intuitive and beautifully designed compound interest calculator that helps you visualize your future wealth in real time.

See how the price of one skipped coffee or a small monthly investment can grow into a massive financial snowball over 10, 20, or 30 years.

Key Features

• Real-Time Dynamic Charts
Watch your principal and compound interest grow over time with elegant stacked area charts.

• Intuitive Sliders & Manual Inputs
Quickly adjust initial investment, monthly contributions, investment period, and annual return rate with smooth sliders or enter exact values manually.

• Accurate Wealth Growth Simulation
Uses precise monthly compound interest calculations to provide realistic future value projections.

• Global Multi-Language Support
Automatically detects your system language and seamlessly switches between English and Korean.

Perfect For

• People planning long-term investments in stocks, savings accounts, or cryptocurrencies

• FIRE enthusiasts building retirement and financial independence scenarios

• Anyone looking for strong motivation to save and invest consistently

Your financial journey may start small, but compound interest can turn it into something extraordinary.
Let Snowball become your compass toward financial freedom.