How many meters are in 1 inch?

1 in equals 0.0254 m. This is an exact conversion factor defined by NIST.

How do I convert inches to meters?

Multiply the value in in by the conversion factor. For example, 10 in = 0.254 m. Use our calculator above for instant results.

Is the inches to meters conversion exact?

Yes, this conversion is mathematically exact based on the international definition of these units (NIST SP 811).

Can I convert inches to meters offline?

Yes! OmniConvert runs entirely in your browser — no internet connection needed after the page loads. Your data never leaves your device, ensuring complete privacy.

What is the difference between inches and meters?

Inches (in) and Meters (m) are both units of length but belong to different measurement systems. 1 in = 0.0254 m. Use the converter above to switch between them instantly.

Inches to Meters (in → m) — Free Online Converter

in → m Reference Table

in	m
0.001 in	0.0000254 m
0.002 in	0.0000508 m
0.003 in	0.0000762 m
0.004 in	0.0001016 m
0.005 in	0.000127 m
0.006 in	0.0001524 m
0.007 in	0.0001778 m
0.008 in	0.0002032 m
0.009 in	0.0002286 m
0.01 in	0.000254 m
0.02 in	0.000508 m
0.03 in	0.000762 m
0.04 in	0.001016 m
0.05 in	0.00127 m
0.06 in	0.001524 m
0.07 in	0.001778 m
0.08 in	0.002032 m
0.09 in	0.002286 m
0.1 in	0.00254 m
0.2 in	0.00508 m
0.3 in	0.00762 m
0.4 in	0.01016 m
0.5 in	0.0127 m
0.6 in	0.01524 m
0.7 in	0.01778 m
0.8 in	0.02032 m
0.9 in	0.02286 m
1 in	0.0254 m
1.5 in	0.0381 m
2 in	0.0508 m
2.5 in	0.0635 m
3 in	0.0762 m
3.5 in	0.0889 m
4 in	0.1016 m
4.5 in	0.1143 m
5 in	0.127 m
5.5 in	0.1397 m
6 in	0.1524 m
6.5 in	0.1651 m
7 in	0.1778 m
7.5 in	0.1905 m
8 in	0.2032 m
8.5 in	0.2159 m
9 in	0.2286 m
9.5 in	0.2413 m
10 in	0.254 m
11 in	0.2794 m
12 in	0.3048 m
13 in	0.3302 m
14 in	0.3556 m
15 in	0.381 m
16 in	0.4064 m
17 in	0.4318 m
18 in	0.4572 m
19 in	0.4826 m
20 in	0.508 m
25 in	0.635 m
30 in	0.762 m
35 in	0.889 m
40 in	1.016 m
45 in	1.143 m
50 in	1.27 m
55 in	1.397 m
60 in	1.524 m
65 in	1.651 m
70 in	1.778 m
75 in	1.905 m
80 in	2.032 m
85 in	2.159 m
90 in	2.286 m
95 in	2.413 m
100 in	2.54 m
120 in	3.048 m
125 in	3.175 m
130 in	3.302 m
140 in	3.556 m
150 in	3.81 m
160 in	4.064 m
175 in	4.445 m
180 in	4.572 m
200 in	5.08 m
225 in	5.715 m
250 in	6.35 m
275 in	6.985 m
300 in	7.62 m
350 in	8.89 m
400 in	10.16 m
450 in	11.43 m
500 in	12.7 m
600 in	15.24 m
700 in	17.78 m
750 in	19.05 m
800 in	20.32 m
900 in	22.86 m
1000 in	25.4 m
1200 in	30.48 m
1250 in	31.75 m
1500 in	38.1 m
1750 in	44.45 m
2000 in	50.8 m
2500 in	63.5 m
3000 in	76.2 m
4000 in	101.6 m
4500 in	114.3 m
5000 in	127 m
6000 in	152.4 m
7000 in	177.8 m
7500 in	190.5 m
8000 in	203.2 m
9000 in	228.6 m
10000 in	254 m
15000 in	381 m
20000 in	508 m
25000 in	635 m
50000 in	1270 m
75000 in	1905 m
100000 in	2540 m

Values based on NIST SP 811 conversion factors

Why Convert Inches to Meters?

Converting between inches (in) and meters (m) is one of the most common length conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert in to m saves time and prevents errors.

Length conversions between in and m are fundamental in construction, manufacturing, and international trade. Architects rely on precise conversions when adapting building plans between metric and imperial standards — a 1% error on a 30-meter wall translates to 30 cm of misalignment. Travelers frequently convert between kilometers and miles for road trips, while online shoppers need length conversions to verify clothing sizes, furniture dimensions, and screen diagonals across international retailers. In athletics, track distances (100m, 1500m, marathon) must be precisely converted for record comparisons across different measurement traditions.

How to Convert Inches to Meters

To convert inches to meters, use the following formula:

m = in × 0.0254

Example: 1 in = 0.0254 m

For example, 5 in = 0.127 m, 10 in = 0.254 m, and 100 in = 2.54 m. For larger values, 1000 in = 25.4 m. Conversely, 1 m = 39.37007874 in. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

Confusing similar units: confusing nautical miles with regular miles, or yards with meters.
Decimal errors: moving the decimal point the wrong way (e.g., 100 cm = 1 m, not 10 m).
Approximation: assuming an inch is exactly 2.5 cm (it's 2.54 cm).

Pro Tips

Use 'approx' for mental math: 1 km is roughly 0.6 miles (or 2/3 for quick estimates).
Visualize: A meter is about a guitar length; an inch is a thumb width.
Ruler check: Most rulers show cm and inches together—great for quick checks.

What is a Inch?

The inch (in) is a unit of length in the Imperial and US customary systems. Historically defined as the width of a thumb or three barleycorns, it is now exactly defined as 25.4 millimeters (0.0254 meters) since 1959.

Inches are widely used in the US, UK, and Canada for short lengths. Common uses include screen sizes (TVs, monitors), pipe diameters, and paper sizes.

What is a Meter?

The meter (m) is the base unit of length in the International System of Units (SI). Originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole, its definition has evolved with precision. Since 1983, it is defined as the distance light travels in a vacuum in 1/299,792,458 of a second.

Meters are the global standard for measuring length in science, engineering, construction, and daily life. It is the primary unit of length in almost every country worldwide, with the notable exceptions of the United States, Liberia, and Myanmar.

Inches → Meters

Inches to Meters Formula