Cap table hub

Cap Table Calculators

Use these tools to understand how fundraising rounds and option-pool planning can change founder ownership percentages.

Dilution and option pool tools

Start with the founder dilution calculator when you already know new investor ownership and any pool top-up percent. Use the option pool calculator when you need share counts and pre-money versus post-money pool treatment. The option-pool-shuffle explainer covers why pre-money pool expansion often lands on existing holders.

Founder Dilution Calculator

Estimate founder ownership after new investment and option pool changes.

Option Pool Calculator

Model option pool top-ups and compare pre-money versus post-money option-pool treatment.

Option Pool Shuffle

Learn why pre-money option pool increases can shift dilution onto existing holders.

Related calculators

Pre/Post-Money Valuation Calculator · SAFE Conversion Calculator