Resources
Free calculators, guides, and reference material to help you split equity fairly and build a stronger company.
Calculators and tools.
Run the numbers on your own split. Every tool is free and works right in your browser.
Dynamic Equity Calculator
See how contributions change ownership over time with a live, editable split.
ExploreSlicing Pie Calculator
Calculate a fair dynamic equity split using the Slicing Pie model.
ExploreDead Equity Calculator
Find out how much of your cap table is going to waste on inactive founders.
ExploreISO Exercise Calculator
Work out whether to exercise your stock options and what it will cost.
ExplorePartnership Fairness Calculator
Check whether your current ownership split is still fair as contributions change.
Explore CalculatorAdvisor Equity Calculator
Find the right equity percentage for startup advisors based on stage, involvement, and expertise.
ExploreVC Fit Quiz
Answer a few questions to see whether raising venture capital fits your company.
ExploreEquity Setup Checklist
Walk through the steps to set up equity the right way from day one.
ExploreLearn how equity works.
Complete Guide to Slicing Pie
A full walkthrough of the Slicing Pie model for dynamic equity splits.
Explore2026 Equity Split Research
Original research on how startups are splitting equity in 2026, based on real company data.
ExploreCo-Founder Departure Study
Outcomes from 150+ real co-founder departures — litigation rates, clean exits, and what predicted them.
ExploreDead Equity Explained
What dead equity is, how it builds up, and how to stop it from stalling your cap table.
ExploreThe Hidden Cost of Equal Splits
Why a 50/50 split feels fair on day one and often is not by year two.
ExploreBlog
Guides, frameworks, and real-world advice on equity splits, founder dynamics, and building fair companies.
Explore