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💰 Free Startup Tool

Equity Exit
Calculator

See what your startup stock options could be worth at exit. Account for dilution, vesting, and taxes with our precise modeling tool.

Your Grant Details
$
Company & Exit Details
$
From last funding round (e.g., $50M)
$
IPO or acquisition price (e.g., $500M)
From your offer letter or cap table
Tax Assumptions

This calculator provides estimates only. Consult a tax professional and financial advisor for personalized advice. Actual outcomes depend on many factors.

Understanding Startup Equity

Key concepts that determine whether your options are a lottery ticket or a retirement fund.

Dilution

Each funding round issues new shares, reducing your ownership percentage by 15-25%.

Vesting

Typical 4-year schedule with 1-year cliff means you earn 25% after year 1, then monthly.

Strike Price

The price you pay to exercise options. Lower strike = higher profit at exit.

ISO vs NSO

ISOs get favorable capital gains tax treatment if held 1+ year. NSOs are taxed as income.