Compound Interest Calculator

Calculate and visualize how your investments grow over time with our free compound interest calculator. Perfect for retirement planning and long-term investment strategies.

Compound Interest Calculator Form

Understanding Compound Interest

Often called the eighth wonder of the world, compound interest is your key to building long-term wealth through the power of reinvested returns.

How Our Calculator Works

Our calculator uses the standard compound interest formula to project your investment growth:

A = P(1 + r)^t + PMT × (((1 + r)^t - 1) / r)
AFinal Amount
PPrincipal Investment
rAnnual Interest Rate
tTime in Years
PMTRegular Contribution

Key Features

Interactive Visualization

Dynamic charts that update in real-time as you adjust your inputs

Regular Contributions

Account for monthly or annual deposits to see accelerated growth

Export Functionality

Download your results in CSV format for further analysis

Tips for Maximizing Returns

Start Early

Time in the market is your greatest advantage for compound growth

Regular Contributions

Consistent investing helps accelerate your wealth building

Reinvest Returns

Reinvesting dividends and interest maximizes compound growth

Stay Invested

Long-term commitment is key to realizing compound growth