Free Investment Growth Calculator

Project how your investments will grow over time with regular contributions and compound returns.

USD
USD
%
years

Future Value

$659,017.60

Total Invested$175,000.00
Investment Gains$484,017.60
27%73%
Total Invested
Investment Gains

Future Value vs Monthly Contribution

How Investment Growth Works

Investment growth uses compound returns with regular contributions to project your portfolio value.

Formula

FV = PV(1+r)^n + PMT * [(1+r)^n - 1] / r

Where:

  • FV = Future value
  • PV = Present value (initial investment)
  • PMT = Monthly contribution
  • r = Monthly rate of return
  • n = Number of months
  • Example Calculation

    You invest $25,000 and add $500/month at 8% return for 25 years.

    1. 01Monthly rate: 8% / 12 = 0.6667% (0.006667)
    2. 02Total months: 25 * 12 = 300
    3. 03Initial investment grows: $25,000 * (1.006667)^300 = $171,212.89
    4. 04Monthly contributions grow: $500 * [(1.006667)^300 - 1] / 0.006667 = $475,513.14
    5. 05Future Value = $171,212.89 + $475,513.14 = $646,726.03
    6. 06Total invested: $25,000 + ($500 * 300) = $175,000
    7. 07Investment gains: $646,726.03 - $175,000 = $471,726.03

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