Investment Calculator
See how an investment grows over time. The investment calculator projects the future value of an initial sum plus optional monthly contributions at a chosen annual return, and reports total invested, total returns, and the compound annual growth rate (CAGR).
Future Value
$0
$0
Total Invested
$0
Total Returns
0%
CAGR
Advertisement
How to Use the Investment Calculator
- Enter your initial investment.
- Add any monthly contribution (leave at 0 for a lump-sum projection).
- Set a realistic annual return for your asset mix.
- Choose the period in years.
- Click Calculate to see future value, total invested, returns, and CAGR.
Formula Used
Example: $10,000 plus $250/month at 8% for 20 years grows to about $196,500 — roughly 2.8× the $70,000 you contributed.
Frequently asked questions
Everything you need to know about this calculator.
Related Calculators
Compound Interest Calculator
Free compound interest calculator to see how investments grow over time. Enter principal, rate, time, and compounding frequency to find your final amount.
OpenROI Calculator
Free ROI calculator. Enter net profit and cost of investment to compute your return on investment percentage, return ratio, and profit per dollar invested.
OpenSavings Calculator
Free savings calculator. Enter initial deposit, monthly contribution, interest rate, and years to project your future balance, total deposits, and interest earned.
OpenRetirement Calculator
Free retirement calculator. Enter your current age, savings, monthly contribution, and expected return to project savings at retirement and monthly retirement income.
Open