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Formula to Convert Cm to Inches and Convert Inches to Cm
How many inches in cm ?
Formula to convert centimeters (cm) to inches (in):
inches = centimeters * 0.393701
For example, to convert 10 centimeters to inches, multiply by 0.393701:
10 cm * 0.393701 = 3.93701 in
How many centimeters in an inch? (cm to inches)
Formula to convert inches (in) to centimeters (cm):
centimeters = inches * 2.54
To convert 3 inches to centimeters, multiply by 2.54:
3 in * 2.54 = 7.62 cm
Cm to Inch Conversion: Everything You Need to Know
- The centimeter is the base unit of length in the metric system.
- The inch is the base unit of length in the US Customary Units and British Imperial Units systems of measurement.
- One inch is equal to 2.54 centimeters. One centimeter is equal to 0.393701 inches.
- Centimeters are commonly used to measure small objects, such as rulers, pencils, and coins.
- Inches are commonly used to measure larger objects, such as lumber, furniture, and appliances.
- Many countries around the world use the metric system, but the United States and the United Kingdom still use the US Customary Units and British Imperial Units systems of measurement.
- The word "centimeter" comes from the Latin words "centum" (meaning "hundred") and "metrum" (meaning "meter"). It was first defined in the 18th century as one one-hundredth of a meter.
- The word "inch" comes from the Old English word "ynce", which means "thumb". It is thought to have originated from the practice of measuring the width of a thumb to determine the length of an inch.
- The inch is a much older unit of measurement than the centimeter. It has been used in England since at least the 10th century. The centimeter was only first defined in the 18th century, as part of the development of the metric system.
- The first ruler with both centimeters and inches was invented in the 19th century
Here is a cm vs inch comparison table:
Characteristic | Centimeter (cm) | Inch (in) |
---|---|---|
System of measurement | Metric system | US Customary Units and British Imperial Units |
Definition | One one-hundredth of a meter | One-twelfth of a foot |
Equivalent to | 0.393701 inches | 2.54 centimeters |
Common uses | Measuring small objects, clothing, textile items, engineering drawings, communicating with people in other countries | Measuring larger objects, furniture, appliances, building materials, communicating with people in the United States and Canada |
Symbol | cm | in |
Use centimeters when:
- Measuring small objects, such as coins, screws, or jewelry.
- Measuring clothing or other textile items.
- Working with engineering or manufacturing drawings.
- Communicating with people in other countries, as the metric system is the international system of units.
Use inches when:
- Measuring larger objects, such as furniture, appliances, or building materials.
- Working with US Customary Units or British Imperial Units.
- Buying or selling items that are typically measured in inches, such as lumber, hardware, or clothing.
- Communicating with people who are more familiar with inches.
Centimeter to Inches (cm to inch) Conversion Table
Centimeter (cm) | Inch (inches) |
---|---|
1 cm | 0.394 inches |
2 cm | 0.787 inches |
3 cm | 1.181 inches |
3.5 cm | 1.378 inches |
5 cm | 1.969 inches |
6 cm | 2.362 inches |
7 cm | 2.756 inches |
8 cm | 3.15 inches |
9 cm | 3.543 inches |
10 cm | 3.937 inches |
11 cm | 4.331 inches |
12 cm | 4.724 inches |
13 cm | 5.118 inches |
15 cm | 5.906 inches |
16 cm | 6.299 inches |
17 cm | 6.693 inches |
18 cm | 7.087 inches |
19 cm | 7.48 inches |
20 cm | 7.874 inches |
21 cm | 8.268 inches |
22 cm | 8.661 inches |
23 cm | 9.055 inches |
24 cm | 9.449 inches |
25 cm | 9.843 inches |
26 cm | 10.236 inches |
27 cm | 10.63 inches |
29 cm | 11.417 inches |
30 cm | 11.811 inches |
32 cm | 12.598 inches |
33 cm | 12.992 inches |
35 cm | 13.78 inches |
38 cm | 14.961 inches |
40 cm | 15.748 inches |
42 cm | 16.535 inches |
45 cm | 17.717 inches |
48 cm | 18.898 inches |
50 cm | 19.685 inches |
52 cm | 20.472 inches |
53 cm | 20.866 inches |
54 cm | 21.26 inches |
55 cm | 21.654 inches |
56 cm | 22.047 inches |
58 cm | 22.835 inches |
60 cm | 23.622 inches |
62 cm | 24.409 inches |
64 cm | 25.197 inches |
65 cm | 25.591 inches |
66 cm | 25.984 inches |
68 cm | 26.772 inches |
70 cm | 27.559 inches |
71 cm | 27.953 inches |
74 cm | 29.134 inches |
75 cm | 29.528 inches |
76 cm | 29.921 inches |
80 cm | 31.496 inches |
84 cm | 33.071 inches |
85 cm | 33.465 inches |
88 cm | 34.646 inches |
90 cm | 35.433 inches |
92 cm | 36.22 inches |
95 cm | 37.402 inches |
100 cm | 39.37 inches |
110 cm | 43.307 inches |
120 cm | 47.244 inches |
130 cm | 51.181 inches |
140 cm | 55.118 inches |
150 cm | 59.055 inches |
160 cm | 62.992 inches |
170 cm | 66.929 inches |
180 cm | 70.866 inches |
190 cm | 74.803 inches |
200 cm | 78.74 inches |
500 cm | 196.851 inches |
1000 cm | 393.701 inches |
Inches to Centimeters (inches to cm) Conversion Table
Inch (inches) | Centimeter (cm) |
---|---|
0.5 inches | 1.27 cm |
1 inch | 2.54 cm |
1.5 inches | 3.81 cm |
2 inches | 5.08 cm |
3 inches | 7.62 cm |
3.5 inches | 8.89 cm |
4 inches | 10.16 cm |
4.5 inches | 11.43 cm |
5 inches | 12.7 cm |
5.5 inches | 13.97 cm |
6 inches | 15.24 cm |
6.5 inches | 16.51 cm |
7 inches | 17.78 cm |
8 inches | 20.32 cm |
8.5 inches | 21.59 cm |
9 inches | 22.86 cm |
9.5 inches | 24.13 cm |
10 inches | 25.4 cm |
11 inches | 27.94 cm |
12 inches | 30.48 cm |
13 inches | 33.02 cm |
14 inches | 35.56 cm |
7.5 inches | 19.05 cm |
15 inches | 38.1 cm |
16 inches | 40.64 cm |
17 inches | 43.18 cm |
19 inches | 48.26 cm |
18 inches | 45.72 cm |
20 inches | 50.8 cm |
21 inches | 53.34 cm |
22 inch | 55.88 cm |
23 inches | 58.42 cm |
24 inches | 60.96 cm |
25 inches | 63.5 cm |
26 inches | 66.04 cm |
27 inches | 68.58 cm |
28 inches | 71.12 cm |
30 inches | 76.2 cm |
31 inch | 78.74 cm |
32 inches | 81.28 cm |
33 inches | 83.82 cm |
34 inches | 86.36 cm |
36 inches | 91.44 cm |
38 inches | 96.52 cm |
40 inches | 101.6 cm |
41 inches | 104.14 cm |
42 inch | 106.68 cm |
44 inches | 111.76 cm |
46 inches | 116.84 cm |
48 inches | 121.92 cm |
50 in | 127 cm |
52 inches | 132.08 cm |
53 inches | 134.62 cm |
54 inches | 137.16 cm |
55 inches | 139.7 cm |
57 inches | 144.78 cm |
59 inches | 149.86 cm |
60 in | 152.4 cm |
62 inches | 157.48 cm |
66 inches | 167.64 cm |
67 inches | 170.18 cm |
72 inches | 182.88 cm |
75 inches | 190.5 cm |