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Venture Cap Table Math Calculator

Visualize precisely how founder ownership geometry collapses violently across multiple Series A/B rounds of external capital injection.

Calculator Parameters
Founder Core Setup
%
Starts at 100%
%
Mandatory pool created before Seed
Dilution Events (Capital Raise)
%
Capital raised (e.g., $1.5M at $10M Val = 15%)
%
Major institutional VC lock-in
%
Scale extraction metrics
Summary
Founder Final Ownership
45.0%
35.00%
Total VC/Board Ownership
Minority
Corporate Controls
Allocation Split
The Equity Waterfall (Mathematical Dilution)
Starting Block: 100%
ESOP Creation (x 0.85): 85.0%
Seed Raise (x 0.85): 72.2%
Series A (x 0.80): 57.8%
Series B (x 1.00): 57.8%
Education

The Mathematics of Serial Dilution

Why owning 100% of a company is structurally impossible the second you speak to an investor.

The Dilution Mechanic

When an investor mathematically buys exactly "20%"" of your company, they do not simply steal 20% of your shares. The corporation literally prints brand new digital shares completely out of thin air, inflating the total denominator pool. This mathematical expansion geometrically mathematically dilutes exactly every single person currently on the cap table by exactly 20%.

The ESOP Tax

VC funds legally require you to allocate a 10% to 15% Employee Stock Option Pool (ESOP) to hire top engineers. VCs ruthlessly structurally require this pool to be minted BEFORE they invest. This means exactly 100% of the mathematical dilution logic for providing employees their shares is fundamentally absorbed entirely by the founders' equity, protecting the VC from taking the hit.

Losing Board Control

A founder might assume raising $25 Million over 3 rounds guarantees they become rich. In reality, by Series B, the mathematical geometric dilution usually drives the original founders' stake violently below literally 45%. Because they no longer legally own >50% of the voting shares, the external VCs legally possess the constitutional authority to violently fire the founder from their own company, immediately replacing them with an external CEO.