inch/ inches/ -inch

It should be "inch". I take it to be "half an inch" = "0.5 inch".

Hope this helps.

[Y]

Crow3fishDoes anyone know if this is correct? Or should it be '0.500 inches'? If so, why?

This tank’s original shell thickness is less than 0.500 inch; therefore brittle fracture is not a concern per API 653 Sec. 5.3.7

I think that it should be inches, and not inch. The conversion to half of an inch would enable inch, and not inches, b

Hi,

If the size is used as an adjective, I'd say 'inch', eg Get the best deal on this 12.7mm (0.5 Inch) Single Digit Numeric Display. (from Google)

If used as a noun (as in your example) I'd say 'inches', eg Some precipitation (0.1 to 0.5 inches) is predicted for Arizona and New Mexico.

The usage .005 inch is absolutely correct. The distinction is simple--for quantities greater than one we use the plural, else the singular. So it's "an inch and a half", but 1.5 inches.
Also, you may note the case where we talk of "a six-inch blade", or otherwise say "the blade is six inches long". Both are correct, though the former one in a way violates the rule.
All the best with your

0 01i00To me, 02i000.50 00 01b00inches02b01i00 sounds about as good as a bullhorn blown in my ears!02i00How does that logic come about?00 00Besides, the safest expression used universally is a 00 00closed quote symbol [ “ ] i.e. 0.5” or 1.0” which will eliminate that question of plurality. 00 01i02