Cap Table & Equity Dilution Calculator
Model how each funding round and your option pool dilute founder ownership. Enter pre-money valuations and amounts raised to see who owns what after Seed, Series A and Series B.
Ownership after each round
| Stage | Founders | Investors | Pool | Post-money |
|---|
Frequently asked questions
How does equity dilution work?
When you raise a round, the company issues new shares to investors. Existing shareholders own the same number of shares, but a smaller percentage of a larger total. New investor % = amount raised ÷ post-money valuation.
What is pre-money vs post-money valuation?
Pre-money is the company's value before the investment. Post-money = pre-money + amount raised. The investor's ownership is their cheque divided by the post-money valuation.
How much should an option pool be?
Seed and Series A option pools are commonly 10–20% of the company. Investors often require the pool to be created (or topped up) pre-money, which dilutes founders rather than the new investors.
How much do founders typically own after Series A?
It varies widely, but combined founder ownership is often around 40–60% after a Seed and Series A, before accounting for additional rounds and pool top-ups.