Funding Dilution Calculator Free

Model a straightforward funding round to see the new investor's stake and how much of the company the founders retain.

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Use the founders' combined ownership immediately before this round.

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What this model includes

This is a simple priced-round model: post-money valuation equals pre-money valuation plus new investment. It does not model SAFEs, convertible notes, liquidation preferences, or a pre-money option-pool increase, all of which can change real dilution.

FAQ

Frequently asked questions

How is investor ownership calculated?

New investor ownership = investment ÷ post-money valuation, where post-money valuation = pre-money valuation + investment.

Why can actual dilution be higher?

An option-pool top-up, converting SAFEs or notes, multiple share classes, and transaction terms can all change the cap table. Use this result for planning, then model the legal documents in a full cap table.

Keep the operating numbers as clear as the cap table

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