Equity Dilution Calculator

    Model funding rounds, cap tables & exit scenarios

    Founders After

    64.0%

    Investors Get

    20.0%

    Option Pool

    10.0%

    Post-Money

    $2.5M

    Founders Investors ESOP

    🎛️Round Parameters

    $2.0M
    $
    $500K
    $

    → Dilution: 20.0% • Seed typical: 15-25%

    Before This Round

    %
    %

    📊Cap Table: Before → After

    ShareholderBeforeAfterChange
    Founders
    80.0%
    64.0%
    -16.0%
    New Investors
    0.0%
    20.0%
    New
    Option Pool
    10.0%
    10.0%
    No change
    Other Shareholders
    10.0%
    6.0%
    -4.0%

    Before Round

    After Round

    🥧 Cap Table Visualization

    64.0%20.0%10.0%6.0%
    • Founders
    • New Investors
    • Option Pool
    • Other
    🧠

    What This Means

    For $500K, you're giving up 20.0% → $25K per percentage point

    At $50.0M exit, your 64.0% = $32.0M

    ✓ You maintain voting control with 64.0% ownership

    🔄What If: Negotiation Scenarios

    Current
    Now
    Pre-Money:$2.0M
    Raise:$500K
    You keep:64.0%
    Dilution:-20.0%
    Active
    Higher Valuation
    +50% valuation
    Pre-Money:$3.0M
    Raise:$500K
    You keep:68.6%
    Dilution:-14.3%
    Lower Raise
    -40% investment
    Pre-Money:$2.0M
    Raise:$300K
    You keep:69.6%
    Dilution:-13.0%
    Balanced
    Sweet spot
    Pre-Money:$2.5M
    Raise:$400K
    You keep:69.0%
    Dilution:-13.8%

    Advanced Modeling

    📐The Math

    Post-Money = Pre-Money + Investment
    Investor % = Investment ÷ Post-Money
    Your numbers: $500K ÷ $2.5M = 20.0%

    📊Stage Benchmarks

    Pre-Seed10-15%
    Seed15-25%
    Series A20-30%

    💡Pro Tips

    • ✓Keep >50% through Series A for control
    • ✓Negotiate option pool post-money to reduce founder dilution
    • ✓Model future rounds before accepting terms

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