Startup Tools

ESOP Pool Dilution Calculator

Estimate how a newly created post-creation ESOP pool dilutes an existing holder.

Enter your assumptions

Formula and methodology

Ownership after = Current ownership × (1 − New pool %)

Use consistent definitions, dates and fully diluted ownership assumptions where relevant.

Worked example

A 60% holder diluted by a new 10% pool retains 54%.

How to use

  1. Enter the requested assumptions using consistent units.
  2. Select Calculate.
  3. Review the method and limitations before using the estimate.

Frequently asked questions

What does this calculator estimate?

Estimate how a newly created post-creation ESOP pool dilutes an existing holder.

Is this result guaranteed?

No. It is a simplified scenario and actual commercial or investment outcomes may differ.

Related tools

Explore Startup Tools or all tools.

Disclaimer: This is a simplified planning estimate. Results depend on assumptions and are not investment, legal or tax advice or a professional valuation.