Cap Table Calculator
Build a capitalization table with founders, investors and an option pool.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Cap Table Calculator
Follow these steps — everything happens instantly in your browser.
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Step 1. Add each shareholder: name, type (founder / investor / ESOP), and number of shares.
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Step 2. For investors, optionally enter the price per share to compute post-money valuation.
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Step 3. Add or remove rows as needed; the table recalculates ownership percentages live.
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Step 4. Read the post-money valuation, ownership breakdown, and the option pool dilution.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about cap table calculator.
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