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Home > categories > Measurement & Analysis Instruments > Tape Measures > Why do tape measurements mark 455mm and 910mm? What's the point?

Question:

Why do tape measurements mark 455mm and 910mm? What's the point?

A lot of tape measures mark these two lengths individually. What's the meaning of these two lengths?

Answer:

Mm means mm

I noticed that, but I didn't get the answer

Modulus. The basic modulus 910mm of many buildings in japan. 455 is half the modulus.

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