Compound Interest Calculator

See how your investments can grow over time with the power of compound interest.

Investment Details

Current Principal

The initial amount you're starting with. This is your current savings or the lump sum you're investing.

Example: If you have $10,000 in savings to invest right now, enter 10000

Annual Addition

The amount you plan to invest each year. This can be from regular savings or periodic investments.

Example: If you save $100 monthly, enter 1200 for annual addition

Years to Grow

Investment Timeline

The number of years you plan to let your investment grow. Longer periods typically benefit more from compound interest.

Example: For retirement planning, you might enter 30 years

10 years

110254050

Interest Rate

The expected annual return rate on your investments, expressed as a percentage. This could be from stocks, bonds, or other investments.

Example: For a diversified portfolio, 7% might be a reasonable long-term assumption