Equity Dilution Calculator
Equity Dilution: Calculate ownership after a funding round.. Free, no account needed – works offline.
Equity Dilution
Business
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How the Equity Dilution Works
Given current shares, total shares, new investment, and pre-money valuation, it computes post-money valuation and your new ownership percentage.
You own 500,000 out of 2,000,000 shares; new $1M at $4M pre-money → post-money $5M, dilution 20%, you own 20% of new total.
Common Mistakes
- Not considering option pool expansion:
- Using fully diluted shares incorrectly:
Frequently Asked Questions
How much dilution is normal?
Seed rounds typically dilute founders by 15–25%.