Length and Distance

# How many millimeters are in one inch?

383940 ###### 2017-07-10 07:09:24

By definition there are exactly 25.4 millimeters per inch.

Effective July 1, 1959, the United States and countries of the British Commonwealth defined the length of the international yard to be exactly 0.9144 meters. Consequently, the international inch is defined to be equal to exactly 25.4 millimeters.

To convert millimeters into inches, divide millimeters by 25.4.

To convert inches into millimeters, multiply inches by 25.4.
25.4 millimeters ==
25,4 mm
25.4 mm = 1 inch

Algebraic Steps / Dimensional Analysis Formula1 in*

2.54 cm

1 in

*

10 mm

1 cm

=

25.4 mm
There are 25.4 millimeters in 1 inch.

But, if you are measuring Millers, I'd say the average male miller is .01388889 Millers per inch, or 72 inches per Miller.
There are 25.4 millimetres in one inch.

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## Related Questions    25.4 millimeters in an inch ... 10 millimeters in one centimeter, 1000 mm (millimeters) in one meter There are 25.4 millimeters in one inch.  1 inch = 25.4 millimeters 1/8 inch = 0.125 inch = (0.125 x 25.4) = 3.175 millimeters There are 25.4 millimeters in one inch. One quarter of an inch (0.25in) is equivalent to 6.35 millimeters in length. There are 25.4 centimeters in one inch. Therefore to get amount of millimeters in inches, value in inches has to be multiplied by amount of millimeters in one inch: 1 inch = [inches] * 25.4 = 1 * 25.4 = 25.4 millimeters   There are 25.4 millimeters in one inch There are 25.4 millimeters in one inch. Therefore to get amount of inches in millimeters, value in millimeters has to be divided by amount of millimeters in one inch: 219 millimeters = [millimeters] / 25.4 = 219 / 25.4 = 8.622 inches There are 25.4 millimeters in one inch. Therefore to get amount of inches in millimeters, value in millimeters has to be divided by amount of millimeters in one inch: 272 millimeters = [millimeters] / 25.4 = 272 / 25.4 = 10.70 inches There are 25.4 millimeters in one inch. Therefore to get amount of inches in millimeters, value in millimeters has to be divided by amount of millimeters in one inch: 620 millimeters = [millimeters] / 25.4 = 620 / 25.4 = 24.4094 inches There are 25.4 millimeters in one inch. Therefore to get amount of inches in millimeters, value in millimeters has to be divided by amount of millimeters in one inch: 116 millimeters = [millimeters] / 25.4 = 116 / 25.4 = 4.5669 inches There are 25.4 millimeters in one inch. Therefore to get amount of inches in millimeters, value in millimeters has to be divided by amount of millimeters in one inch: 19 millimeters = [millimeters] / 25.4 = 19 / 25.4 = 0.7480 inches If you mean to say "How many millimeters in an inch?" (Millimeters, not mileometers) then the answer would be 1 inch is 25.4 millimeters.  There are 25.4 millimeters in one inch. Therefore, three quarters (.75) x 25.4 = 19.05 millimeters.  6.35mm as there are 25.4 millimeters in one inch.  219 millimeters equals how many inches?

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