Inches to meters

1 inch = 0.0254 meters

Type a value in inches (in) to get meters (m) straight away. An inch is smaller than a meter, so the number goes down. Both units belong to length, measured here against the meter.

FromTo0.0254

1 in = 0.0254 m

Formula

m = in × 0.0254

One inch is 0.0254 meters, so multiply by that factor. You can also divide by 39.3701, the number of inches in one meter. Here in is the value in inches and m is the result in meters.

Worked example: 12 inches × 0.0254 = 0.3048 meters.

Inches to meters table

inches (in)	meters (m)
1 in	0.0254 m
2 in	0.0508 m
3 in	0.0762 m
4 in	0.1016 m
5 in	0.127 m
6 in	0.1524 m
7 in	0.1778 m
8 in	0.2032 m
9 in	0.2286 m
10 in	0.254 m
15 in	0.381 m
20 in	0.508 m
25 in	0.635 m
30 in	0.762 m
40 in	1.016 m
50 in	1.27 m
60 in	1.524 m
75 in	1.905 m
100 in	2.54 m

Everyday inches in meters

What it is	in	m
a thumb width (about)	1 in	0.0254 m
a common phone screen diagonal	6.1 in	0.15494 m
a common laptop screen	15.6 in	0.39624 m
a 32-inch waist	32 in	0.8128 m
a 55-inch TV diagonal	55 in	1.397 m

Quick estimate in your head

Multiply by about 0.025. For 12 in that gives 0.3 m against an exact 0.3048 m, an error of 1.6%.

About the units

Inch (in). Exactly 2.54 cm since the 1959 international yard agreement. Common for screens, tyres and pipes.

Meter (m). The SI base unit of length, defined by the distance light travels in 1/299,792,458 of a second.

Going the other way, 1 meter is 39.3701 inches.

Questions

How many meters are in 1 inch?

1 inch is 0.0254 meters, and 1 meter is 39.3701 inches.

How do I convert inches to meters?

Use m = in × 0.0254. For example, 12 inches × 0.0254 = 0.3048 meters.

Is the inch to meter factor exact?

Yes, the definitions are exact, so the factor is exact. Results here are rounded to 6 significant digits for display.

How much is a 55-inch TV diagonal in meters?

55 in is 1.397 m.

Source for the conversion factor: NIST SP 811, Appendix B (conversion factors).

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