Compound Interest Calculator

Compound Interest Calculator

Visualize the power of compounding.

What is Compound Interest?

Earning returns on your returns. Each month's gains are added to principal, earning more next month.

Calculator Inputs

• Initial investment
• Monthly return rate
• Investment period
• Additional contributions

Example Calculation

$10,000 at 7% monthly for 12 months:

MonthBalance 1$10,700 6$15,007 12$22,522

Simple vs Compound

Type12 Month Result Simple$18,400 Compound$22,522 Difference+$4,122

Using the Calculator

1. 1. Go to Tools > Calculators
2. 2. Select Compound Interest
3. 3. Enter your values
4. 4. View month-by-month breakdown
5. 5. Download projection