Finance
Startup Equity Calculator
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Calculate startup equity dilution from a funding round. Enter pre-money valuation, raise amount, founder shares, and option pool to see post-money valuation, price per share, investor ownership, and total dilution. Free, instant, client-side.
$5.00M
$1.00M
Total shares outstanding before this round
Employee stock option pool (0 if none)
Round Summary
Post-Money Valuation
$6.00M
Founder Dilution
25.00%
Price Per Share
$0.5000
New Shares Issued
2,000,000
Ownership Breakdown (post-round)
Founders75.00%
Investors16.67%
Option Pool8.33%
| Metric | Value | |
|---|---|---|
| Pre-Money Valuation | $5.00M | |
| Amount Raised | $1.00M | |
| Post-Money Valuation | $6.00M | |
| Price Per Share | $0.5000 | |
| Investor Shares | 2,000,000 | |
| Total Shares (post) | 12,000,000 | |
| Investor Ownership | 16.67% | |
| Founder Ownership | 75.00% | |
| Option Pool | 8.33% | |
| Total Dilution | 25.00% |
Dilution calculated as investor ownership + option pool. Option pool assumed carved from founder shares post-money.
How to Calculate Startup Equity Dilution (2026)
How to Calculate Startup Equity Dilution — free online tool and guide with examples.