Equity
Cap Table Dilution Calculator
What your ownership becomes after the new round and option pool — before you celebrate the valuation.
Inputs
- Current ownership
- New round size
- Pre-money valuation
- New option pool
How to use this calculator
- Enter your current ownership percentage.
- Add the new round size, pre-money valuation, and any new option pool.
- The result is your ownership after the round, so you can see exactly how much a raise dilutes you.
What each term means
- Dilution
- The drop in your ownership percentage when new shares are issued.
- Pre-money valuation
- What the company is valued at before the new investment goes in.
- Option pool
- Shares set aside for employees, which also dilute existing owners.
Educational disclaimer: Outputs are simplified educational estimates built from the numbers you enter — they are not financial, legal, tax, or investment advice, and real decisions deserve verified figures and qualified professionals.