Startup Tools

Seed Funding Dilution Calculator

Estimate founder ownership before and after a priced seed round.

Enter your assumptions

Formula and methodology

Investor % = Investment ÷ Post-money; Founder after = Founder before × (1 − Investor %)

Use consistent definitions, dates and fully diluted ownership assumptions where relevant.

Worked example

100% founder ownership, ₹8 crore pre-money and ₹2 crore investment leaves founders with 80%.

How to use

  1. Enter the requested assumptions using consistent units.
  2. Select Calculate.
  3. Review the method and limitations before using the estimate.

Frequently asked questions

What does this calculator estimate?

Estimate founder ownership before and after a priced seed round.

Is this result guaranteed?

No. It is a simplified scenario and actual commercial or investment outcomes may differ.

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Disclaimer: This is a simplified planning estimate. Results depend on assumptions and are not investment, legal or tax advice or a professional valuation.