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Equity Dilution Calculator

Model how multiple funding rounds affect founder ownership over time.

Seed

Amount Raised

$

Pre-Money Valuation

$

Option Pool Increase: 10%

Series A

Amount Raised

$

Pre-Money Valuation

$

Option Pool Increase: 5%

Series B

Amount Raised

$

Pre-Money Valuation

$

Option Pool Increase: 5%

Ownership Over Time

Founding

Seed$10.0M

Series A$50.0M

Series B$150.0M

Founders

Investors

Option Pool

Final Ownership

Founders39.4%

Investors46.3%

Option Pool14.4%