Decision calculator
SAFE Ownership Calculator
Estimate post-money SAFE ownership from investment amount and post-money valuation cap.
Modeled result
$0.00 monthly
$0.00 annually
Methodology and assumptions
Modeled ownership = SAFE investment ÷ post-money valuation cap × 100. The actual conversion can differ because of document terms, later financing, multiple SAFEs, pro rata rights, and company capitalization. Review the signed instrument.
Currency outputs are rounded to the nearest minor currency unit.
Pricing last verified:
Frequently Asked Questions
What does the SAFE Ownership Calculator calculate?
Estimate post-money SAFE ownership from investment amount and post-money valuation cap.
How accurate is the SAFE Ownership Calculator?
It is a planning estimate based on the inputs, formula, assumptions, and sources shown on this page. Actual prices, invoices, taxes, discounts, and outcomes can differ.
Which pricing source does the SAFE Ownership Calculator use?
The calculator links to Y Combinator SAFE documents as its official source. The displayed pricing or reference data was last verified on 2026-09-05.
Are calculator inputs saved or sent to analytics?
Inputs are processed in your browser. Calculator values are not included in analytics events.