Fundraising · Free Interactive Tool
Equity Dilution Calculator
See exactly how much of your company a round costs.
Your Numbers
The Result
The Operator's Read
This round gives up 20.0% of the company. Raising more at the same valuation costs more ownership — a higher pre-money is worth more than a bigger check.
Built by The Crimson Bench · Educational tool, not financial advice
About the Equity Dilution Calculator
Enter your pre-money valuation and raise amount to see the post-money valuation, the investor’s ownership, and what founders retain.
How the Equity Dilution Calculator Works
2 inputs in, 3 results out — computed live on your device. Here's exactly what it uses.
| Input | Example value |
|---|---|
| Pre-money valuation | $8,000,000 |
| Amount raising | $2,000,000 |
Worked Example
Using the example inputs above, the tool returns:
Post-money valuation
$10,000,000
Investor ownership
20.0%
Founders retain
80.0%
The Operator's Read
This round gives up 20.0% of the company. Raising more at the same valuation costs more ownership — a higher pre-money is worth more than a bigger check.
Assumptions & Limitations
- •This is a single-point calculator — it answers one question at a time. For a full time-based projection, use the matching Toolkit Pro simulator.
- •Defaults are illustrative. Replace them with your real numbers before relying on the result.
- •Educational tool only — not financial, investment, tax, or legal advice.
Frequently Asked Questions
What does the Equity Dilution Calculator calculate?
Enter your pre-money valuation and raise amount to see the post-money valuation, the investor’s ownership, and what founders retain. It takes 2 inputs — Pre-money valuation, Amount raising — and returns Post-money valuation, Investor ownership, Founders retain.
How do I use the Equity Dilution Calculator?
Enter your figures in the fields above and the result updates instantly. No signup, no limits, and nothing leaves your browser — the math runs on your device.
Is the Equity Dilution Calculator free?
Yes, completely free. For the full time-based simulation — projection tables, scenarios, Excel/PDF export, and AI analysis — see the matching Toolkit Pro simulator.
Who built this tool?
The Crimson Bench's Ivy League-educated operators — the same people we deploy into C-suites. It uses the exact method they'd apply in an engagement.
Is this financial advice?
No. The Equity Dilution Calculator is an educational tool for directional planning — not financial, investment, tax, or legal advice.
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The Crimson Bench · Est. 2002 · Founded in New York City
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