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What is the difference 5.56 and .223.?:hmmm::rofl2::gwh:

I mic’d An edge at .67 inches width. Or 17 mm Express that in factional inches....

Now do we Refer to it as 19/37 Boker , or 43/64 Henckel?

If charts aren’t you’re thing link may be more...

i think this is the answer!

i'm going to start to include metric measure in my posts

why are razors width's measured in fractional imperial sytem vs metric?

found a chart for the math challenged (like me)

Conversion Table: fractional inches, decimal inches, mm