Dilution Results
Seed80% ownership
Investment$500,000
Post-Money$2,500,000
New Shares20%
Series A60% ownership
Investment$5,000,000
Post-Money$20,000,000
New Shares25%
Final Founder Ownership
60%
Startup Money Math
Dilution Calculator
See how each funding round changes your ownership — model equity dilution before you sign the term sheet.
How to use it
- Open Dilution Calculator and enter your current operating assumptions.
- Adjust one driver at a time to isolate impact clearly.
- Review decision-critical outputs before secondary charts.
- Run conservative, base, and upside scenarios to map risk.
- Use outcomes to pick the next operational or pricing action.
- Save or share this setup if you want to revisit it later, then check one downside and one upside case before you commit.
AI Integrations
Contract, discovery endpoints, and developer notes for agent use.
Always available for agents
AI Integrations
Contract, discovery endpoints, and developer notes for agent use.
Tool contract JSON
https://aibizhub.io/contracts/dilution-calculator.jsonStable input and output contract for this exact tool.
Human review
People can use the browser page to sense-check outputs and charts, but agents should still execute against the contract and discovery endpoints.
- /agent-tools.json - machine-readable tool index.
- /llms.txt - human-readable model discovery guide.
- /.well-known/webmcp.json - WebMCP capabilities manifest.
- /.well-known/ai-plugin.json - plugin-style discovery manifest.
{
"tool": "dilution_calculator"
} Expand developer notes
Agent playbook
- Resolve Dilution Calculator from /agent-tools.json and open its contract before execution.
- Validate inputs against the contract schema instead of scraping labels from the page UI.
- Open the browser page only when a person wants to review charts, assumptions, or related tools.
Agent FAQ
Should ChatGPT, Claude, or another agent click through the UI?
No. Start with /agent-tools.json, then follow the tool's contract URL. The page UI is for human review, not parameter discovery.
When do tools show Quick and Advanced?
Every tool opens in Quick Start first. Advanced Controls keeps the same scenario, reveals more assumptions or diagnostics, and every tool keeps AI integrations inline below the instructions.
When should an agent still open the browser page?
Open it when a human wants to sense-check the output, review the chart, or keep exploring related tools after the calculation finishes.
Questions people usually ask
What decision is Dilution Calculator designed for?
Dilution Calculator helps teams model equity dilution across funding rounds to see how ownership changes with each raise. before committing budget, pricing, or operating changes.
How can I get decision-grade output quality?
Use validated baseline numbers, run downside and upside scenarios, and align assumptions with your real cadence and constraints.
Is this legal, tax, or accounting advice?
No. Outputs are business planning estimates and should be reviewed with qualified professionals when required.
Is this free and private?
Yes. Tools run client-side in your browser with no signup.
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