Does the Rule of 40 Work for Hardware?

153 · Brad Feld · June 15, 2026, 4:50 p.m.
Summary
The post discusses the applicability of the 'Rule of 40', which is a popular metric in SaaS, to hardware companies. The author argues that it's important to interpret the trend over time rather than just focusing on a single metric. This insight could benefit developers and founders in hardware industries who might apply SaaS principles to physical products.