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Startup & SaaS

Startup Dilution Calculator

Straightforward pre-money/post-money dilution math — what a new round costs existing shareholders in percentage terms.

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$
$
%
Your ownership after the round
+6.3%
Percentage points diluted
+1.7%
Post-money valuation
$19,000,000
New investor ownership
+21%

How it works

  1. 1Enter pre-money valuation and raise amount
  2. 2Enter your current ownership percentage
  3. 3See your ownership after the round

Who this is for

  • Modelling personal dilution before a funding round
  • Explaining dilution mechanics to employees with equity
  • Planning option pool sizing around a raise