Enter your pre-money, raise and ESOP pool to see your stake after the round, plus the post-money valuation and new investor share.
Simplified single-round estimate. Real rounds vary by ESOP timing (pre- vs post-money), share classes, and prior SAFEs/notes converting; use this for direction, not your final cap table.
Post-money = Pre-money + Amount raised Investor % = Amount raised ÷ Post-money Your new % = Your old % × (100% − Investor % − New ESOP %)
Two things dilute you in a round: the new investor, and any new ESOP pool. Negotiating the ESOP before vs after the money materially changes who absorbs it: a pre-money pool dilutes only existing shareholders, a post-money pool spreads across everyone. This calculator uses the simpler post-money view; treat it as direction, not the signed term sheet.