calculator
Free SAFE Note Calculator (Post-Money + Pre-Money)
Calculate SAFE conversion across both Y Combinator post-money and pre-money flavors with valuation cap, discount, MFN, and most-investor-friendly conversions. Inputs: investment amount, valuation cap, discount, next-round price/pre-money, current shares outstanding. Outputs: SAFE shares issued, conversion price, post-conversion ownership %, founder/early-investor dilution.
Inputs
Results
Conversion Price - Cap Method
$1
Conversion Price - Discount Method
$2
Actual SAFE Conversion Price (Lower of Two)
$1
SAFE Shares Issued
625,000
New Round Price per Share
$2
New Round Shares Issued
2,500,000
New Option Pool Shares
1,458,333
Total Shares Post-Round
14,583,333
SAFE Investor Ownership %
4.3%
Original Holder Dilution
31.4%
$ Saved by SAFE vs New Money Price
$750,000
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About the Author
David Shadrake
David Shadrake works on strategic business development and tech partnerships, with focus areas across AI, fintech, venture capital, growth, sales, SEO, blockchain, and broader tech innovation. Read more of his perspective on partnerships, market dynamics, and emerging technology at davidshadrake.com.