Interactive calculators that turn confusing dilution, SAFE notes, and runway math into beautiful visualizations. See exactly what happens to your ownership.
Drag the sliders and watch what happens to your equity as you raise money.
See how your ownership changes across multiple funding rounds. Visualize pre-money and post-money valuations, investor shares, and founder dilution.
How many months until you run out of cash? Factor in revenue growth, burn rate changes, and one-time expenses to plan your next raise.
Understand what your SAFE converts to. Calculate conversion price, share count, and investor ownership for cap and discount scenarios.
Are your unit economics working? Input your acquisition costs, churn rate, and revenue per customer to see if your business model is sustainable.
Map out your vesting schedule with cliff, acceleration triggers, and early exercise options. See exactly when you earn each slice of equity.
Build your cap table from scratch. Add founders, investors, option pools, and SAFEs. See ownership at every stage of your company's journey.
Choose from 6 startup-specific calculators. Each one solves a specific math problem founders face.
Input your real numbers with intuitive sliders and fields. Watch the visualization update in real-time.
Get instant clarity on your equity situation. Save scenarios, compare side-by-side, and share with cofounders.
Join thousands of founders who use FounderMath to understand their ownership, plan their raises, and negotiate better deals.
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