How the calculation works
Existing stakeholders retain the pre-money share of the post-money company. The new investor receives the new-money share.
Formula
Post-round ownership = before-round ownership × pre-money valuation ÷ post-money valuation.

Startup financing
Create a cap table and see how multiple priced rounds and optional SAFE conversions change stakeholder ownership.
SAFE ownership uses a simplified lower-of-cap-or-discount conversion basis. Actual SAFE documents can produce different outcomes; verify governing documents.
Existing stakeholders retain the pre-money share of the post-money company. The new investor receives the new-money share.
Post-round ownership = before-round ownership × pre-money valuation ÷ post-money valuation.
Common questions
It supports editable stakeholders, multiple priced rounds, and optional simplified SAFE conversion assumptions.
Yes. Add stakeholders and rounds without creating an account. Data stays in the browser and is not submitted.
No. Actual conversion terms, preferences, warrants, and legal share records must be reviewed separately.