Millimeters. The millimeter (SI symbol mm) is a unit of length in the metric system, equal to 1/1000 meter (or 1E-3 meter), which is also an engineering standard unit. 1 inch=25.4 mm. Inches. An inch (symbol: in) is a unit of length. It is defined as 1â12 of a foot, also is 1â36 of a yard.Though traditional standards for the exact length of an inch have varied, it is equal to exactly 25.4 mm. The inch is a popularly used customary unit of length in the United States, Canada, and the United Kingdom.nches. An inch (symbol: in) is a unit of length. It is defined as 1â12 of a foot, also is 1â36 of a yard. Though traditional standards for the exact length of an inch have varied, it is equal to exactly 25.4 mm.
SwiftKey Keyboard is an Android app that replaces the touchscreen keyboard on your Android smartphone or tablet.
QWERTY is the name of a keyboard layout, originally designed to  prevent jams that occurred when the keys clashed together.   They're most commonly used on personal compuâ¦ters and mobile phones.    QWERTY are the first six letters from left to right on the top  letter row of your keyboard.