Investment Calculator

Project the future value of your investments with initial principal, regular contributions, and compound interest.

Investment Parameters

$
$
%
Years

Understanding Your Investment Growth

This calculator helps you visualize the power of compound interest and regular contributions over time.

Future Value Formula (with regular contributions)

FV = P(1 + r/n)nt + PMT × [((1 + r/n)nt - 1) / (r/n)]

Where:

  • FV = Future Value of the investment
  • P = Initial Principal Investment
  • PMT = Monthly Contribution
  • r = Annual Interest Rate (as a decimal)
  • n = Number of times interest is compounded per year (typically 12 for monthly contributions)
  • t = Number of years

Example Investment Growth ($1,000 initial, $100/month, 7% annual for 20 years)

Year Total Invested Future Value
5$7,000$8,871.89
10$13,000$19,965.07
15$19,000$35,098.09
20$25,000$55,890.09

Frequently Asked Questions

What is an investment calculator?

An investment calculator helps you estimate the future value of your investments, taking into account initial principal, regular contributions, interest rate, and investment period. It's a powerful tool for financial planning and setting realistic goals.

How does compound interest affect investments?

Compound interest is key to long-term investment growth. It means that the interest you earn also starts earning interest, leading to exponential growth over time. The longer your money is invested and compounded, the more significant the effect.

What is the importance of regular contributions?

Regular contributions, even small ones, can significantly boost your investment's future value due to the power of compounding and dollar-cost averaging. They help build wealth consistently over time.