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EquityLens

Founder Dilution Calculator

Every funding round dilutes existing shareholders. Founders raising £2m at Seed might see 20–30% dilution plus option pool refresh. Model your ownership trajectory before signing term sheets.

Dilution inputs

Model ownership through funding rounds

Seed

Series A

How much dilution is normal?

Seed rounds typically dilute 15–25%. Series A: 15–20%. Option pool increases of 5–10% are common at each round. Founders who start with 60% may hold 15–25% by Series B.

Frequently asked questions

What happens if I raise £2m?

Depends on pre-money valuation. At £6m pre-money, £2m investment = ~25% dilution. Add option pool expansion and you might lose 30%+ ownership in one round.

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