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"The plans of the diligent lead surely to abundance, but everyone who is hasty comes only to poverty."
— Proverbs 21:5

ROI Calculator

Inputs

You can use decimal years (e.g., 1.5) or switch to months for short projects.

Results

Final Amount

$15,000.00

Net Profit

$5,000.00

Total ROI

50%

Annualized ROI

22.47%

Want to hit a specific ROI?
-50%200%
Required Final Amount
$12,500.00
You need $2,500.00 in net profit to reach 25% ROI.

How this works

  1. Basic ROI

    ROI measures how much you earned relative to the capital that was working on average.

    • Net profit = final value − initial investment − mid-period contribution
    • Average invested capital = initial investment + (mid-period contribution ÷ 2)
    • ROI = net profit ÷ average invested capital

  2. Annualized ROI

    We convert your time input into years so a 6-month project and a 3-year project line up fairly.

    • Annualized ROI = (1 + ROI)1 ÷ years − 1

  3. Mid-period cash-flow

    Use a positive number for extra capital added halfway through the period. Withdrawals aren’t supported because they can produce misleading percentages.

  4. Target ROI

    “Want to hit a specific ROI?” runs the same ROI formula in reverse—keeping your initial investment and midpoint contribution—to solve for the final value you’d need.

Learn more: ROI vs Annualized ROI—How to Read Them & Boost Your Investment Strategy