Peak Warming Man said:

Peak Warming Man said:

Michael V said:

Inches or centimetres?

I’m unsure of that.
I’ll try and find out.

“What is the unit of a penetrometer?
The depth of penetration of the cone or needle into the sample is measured and recorded in mm, PU (Penetrometer) units along with the additional measurement of apparent yield stress (σapp). The deeper the cone/needle sinks into the material, the softer the material is.”

According to AI it is mm.
Over.

The Google AI overview here says centimetres: