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There are 25.4 millimetres in one inch. Therefore, rounded to three significant figures, 18 millimetres is equal to 18/25.4 = 0.709 inches.

Direct Conversion Formula 18 mm*

1 in

25.4 mm

=

0.7086614173 in

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10y ago
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9y ago

There are 25.4 millimetres in one inch. Therefore, 1.8 inches is equal to 1.8 x 25.4 = 45.72.

Algebraic Steps / Dimensional Analysis Formula 1.8 in*

2.54 cm

1 in

*

10 mm

1 cm

=

45.72 mm

Direct Conversion Formula 1.8 in*

25.4 mm

1 in

=

45.72 mm

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9y ago

There are 25.4 millimetres in one inch. Therefore, 18 inches is equal to 18 x 25.4 = 457.2 millimetres.
457.2 mm

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10y ago

0.7086614173 in

Direct Conversion Formula 18 mm*

1 in

25.4 mm

=

0.7086614173 in

This answer is:
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Wiki User

12y ago

There are 25.4 millimetres in one inch. Therefore, rounded to three significant figures, 1.8 millimetres is equal to 1.8/25.4 = 0.0709 inches.

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Q: How many inches are there in 18 millimetres?
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Related questions

How many millimetres is 18 inches?

18 inches = 457 millimetres.


How many millimetres are in 18 inches?

One inch is equal to 25.4 millimetres. Therefore, 18 inches is equal to 25.4 x 18 = 457.2 millimetres.


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