The American customary system doesn’t as far as I know have a general-use length unit in the millimeter range.
Nope, the equivalent unit is x/2^n inches.
For example, metric wrenches might be 4mm or12mm, while “standard” (imperial) might be 5⁄32″ or 1⁄2″.
Nope, the equivalent unit is x/2^n inches.
For example, metric wrenches might be 4mm or12mm, while “standard” (imperial) might be 5⁄32″ or 1⁄2″.