Founder Resource · Carta Data 2023–2024

Co-founder Equity Split Calculator

Score each founder's contributions across 6 factors and see how your split compares to real benchmark data from 54,601 US startups.

Carta · 54,601 US startups 2016–2025 · equity splits 2023–2025 SaaS · Fintech · Biotech · Healthtech · Crypto/Web3 · more Pre-seed to Series A
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How to use this calculator
Set up your team (Step 1), then rate each founder on 6 contribution factors — idea, capital, commitment, expertise, network, and track record (Step 2). Your suggested split updates live and is compared against real Carta benchmark data for your industry and team size (Step 3).

Set up your team, score each founder's contributions, then see how your split compares to real benchmark data.

Rate each founder on 6 contribution factors. 1 = minimal, 5 = primary contributor. Your suggested split updates live.

For informational purposes only · Not legal or financial advice · Equity split benchmarks: Carta 2026 report (54,601 US startups, 2016–2025 · equity medians incorporated 2023–2025) · BVJ Consulting has no affiliation with Carta · Compiled by BVJ Consulting