A valuation cap is the maximum company valuation used to convert a SAFE or convertible note into equity, which protects the early investor by setting a ceiling on the price they pay per share when the note converts. It rewards investors for taking early risk.

Founders care because the cap directly affects how much of the company an early investor ends up owning. A low cap means the investor gets more shares later.

How a valuation cap works

Early investors often fund before the company has a priced valuation. A SAFE or a convertible promissory note defers pricing until a later round. The valuation cap sets the highest valuation at which that investment converts.

If the next round prices the company above the cap, the early investor still converts as if the valuation were the cap. That gives them a lower price per share and more equity for their dollars.

Pre-money versus post-money valuation

Valuation comes in two flavors. Pre-money valuation is the company’s value before the new money goes in. Post-money valuation is the pre-money value plus the new investment.

The distinction matters for a valuation cap. A post-money SAFE fixes the investor’s ownership percentage more precisely, because the cap is measured after the SAFE money is counted. A pre-money cap leaves the final percentage more sensitive to how much else converts. Read the SAFE to see which model it uses.

A concrete example

Suppose an investor puts in $100,000 on a SAFE with a $5,000,000 cap. The next round prices the company at $10,000,000. The SAFE converts at the $5,000,000 cap, not $10,000,000. The investor gets roughly twice the shares they would have at the higher price.

The cap interacts with your cap table and drives dilution for founders. Model the conversion before you sign, so you know how a strong later round will hit your ownership. Fundraising choices made now echo through every future round.

This is general information, not legal advice.