Inch is used in the United Kingdom (UK, i.ebritain（Commonwealth）And its former colonies)Length unit, the English abbreviation is in, and the symbol of inch is "[1]。
One inch is 2.54 cm, 12 inches is 1 foot, and 36 inches is 1 yard.
The word "inch" comes fromold English"Ynce", which comes fromLatin"Uncia" (meaning "one twelfth").
In the 14th century, the king of EnglandEdward IIThe "standard legal inch" was promulgated;It is stipulated that the length of a row of three largest wheat grains selected from the middle of a barley ear is 1 inch.
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In building materialsNominal diameterUse inches instead of market inches.
stayLiquid crystal displayIn general, the specifications are 17 inch, 19 inch, 23 inch, 27 inch, etc.On your phone,Screen sizeGenerally, there are 4.0 inch, 4.2 inch, 4.5 inch, 4.7 inch, 4.8 inch, 5.0 inch, 5.2 inch, 5.5 inch, 5.7 inch, 6.44 inch, etc.staytablet PCIn general, the screen size is 7.9 inches, 9.7 inches and 12.9 inches.The size of the display is based ondiagonalIn inches.
Fractions of inches: 1/64, 3/64, 5/64, 7/64, 9/64
Decimal of inch: 0.015625, 0.03125, 0.046875, 0.0625
In the British system, 12 inches is 1 foot, and 36 inches is 1 yard.
1mil=1/1000inch=0.00254cm=0.0254mm。
1inch=2.54cm=25.4mm=1000mil
1 inch=2.54 cm=25.4 mm.
Calculate screen size
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The size of the display screen of electronic products is usuallydiagonalIn inches.The way to calculate the inches of the screen of an electronic product is to measure thediagonalHow many centimeters are there? Then divide the number of diagonal centimeters by 2.54 to know how many inches the screen has.
