Quick Answer: Equity Dilution Calculator

    Model founder equity dilution across funding rounds with cap table builder, SAFE conversion calculator, and exit scenario modeling. Understand how investment affects your ownership percentage.

    Key Features of IdeaProof Equity Dilution Calculator

    • Multi-round equity dilution simulator for Seed through Series C
    • SAFE note conversion calculator with valuation caps
    • Interactive cap table builder with real-time updates
    • Exit scenario modeler showing actual founder payout
    • Negotiation scenarios comparing different deal terms

    Equity Dilution Calculator Related Terms

    equity calculator, cap table, founder equity, equity split, vesting schedule, dilution calculator, ownership percentage, shareholder equity

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    Common Questions About Equity Dilution Calculator

    • How do I calculate equity?
    • What is a good equity for my startup?
    • Free equity calculator online
    • Best equity tool for founders
    • How to use Equity Dilution Calculator for my business

    About IdeaProof

    IdeaProof is the #1 AI business idea validator trusted by 10,000+ founders worldwide. The platform provides instant validation, market analysis, TAM/SAM/SOM calculations, competitor research, and investor-ready reports in under 120 seconds. IdeaProof's suite of free calculators helps founders make decisions about their startup journey, from initial validation through funding and growth.

    Equity Dilution Calculator by IdeaProof

    This Equity Dilution Calculator is part of IdeaProof's comprehensive startup toolkit. Free to use with no signup required. Updated for 2026 with the latest industry benchmarks and best practices. Trusted by founders, investors, and business advisors worldwide.

    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

    Standard Dilution

    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

    • 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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    Industry-Standard Formulas

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