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25.4 mm = 1 in (exactly).
There are 25.4 millimetres in one inch.
25.4mm in 1 inch

Algebraic Steps / Dimensional Analysis Formula 1 in*

2.54 cm

1 in

*

10 mm

1 cm

=

25.4 mm

Direct Conversion Formula 1 in*

25.4 mm

1 in

=

25.4 mm

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8y ago
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6mo ago

There are 25.4 millimeters in one inch.

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9y ago

There are 25.4 mm in 1 inch.

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Q: How many millimetres in one inch?
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Related questions

How many millimetres are there in one sixth of an inch?

One inch is 25.4 millimetres. Divide this by 6 to get the answer you are looking for. This equals 25.4/6= 4.2333 millimetres in a 6th of an inch.


How many millimetres are there in half an inch?

There are 25.4 millimetres in one inch. Therefore, half an inch is equal to 25.4 x 0.5 = 12.7 millimetres.


How many inches are there in 25.4 millimetres?

There are 25.4 millimetres in one inch. Therefore, 25.4 millimetres is equal to 25.4/25.4 = 1 inch.


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There are 25.4 millimetres in one inch. Therefore, three eighths of an inch is equal to 3/8 x 25.4 = 9.525 millimetres.


How many millimetres are there in 1.579 thousandths of an inch?

There are 25.4 millimetres in one inch. Therefore, 1.579 thousandths of an inch is equal to 1.579/1000 x 25.4 = 0.0401066 millimetres.


How many millimetres are there in 2.0625 inches?

There are 25.4 millimetres in one inch. Therefore, 2.0625 inches is equal to 2.0625 x 25.4 = 52.3875 millimetres.


How many millimetres are there in 4.5 inches?

There are 25.4 millimetres in one inch. Therefore, rounded to two decimal places, 45 millimetres is equal to 45/25.4 = 1.77 inches.


How many millimetres are there in 55 inches?

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How many inches are there in 65 millimetres?

There are 25.4 millimetres in one inch. Therefore, 65 inches is equal to 65 x 25.4 = 1651 millimetres.


How many millimetres are there in 2.8 inches?

There are 25.4 millimetres in one inch. Therefore, 28 inches is equal to 28 x 25.4 = 711.2 millimetres.


How many millimetres are there in 1.25 inches?

There are 25.4 millimetres in one inch. Therefore, 12.5 inches is equa lto 25.4 x 12.5 = 317.5 millimetres.


How many inches are there in 1183 millimetres?

There are 25.4 millimetres in one inch. Therefore, 1183 millimetres is equal to 1183/25.4 = 46.57 inches.