1 inch = 2.54 centimeters, use this inches to cm converter to calculate measurements from in to centimeters.

  • CM = 10 × 2.54 = 25.4 cm
  • CM = 50 × 2.54 = 127 cm
  • The width of a U.S. quarter is roughly 1 inch or 2.54 cm
  • The length of a standard paperclip is about 1 inch or 2.54 cm

Inches to CM Converter

Inches toCentimeters
1 inches2.54 cm
2 inches5.08 cm
3 inches7.62 cm
4 inches10.16 cm
5 inches12.7 cm
6 inches15.24 cm
7 inches17.78 cm
8 inches20.32 cm
9 inches22.86 cm
10 inches25.4 cm
11 inches27.94 cm
12 inches30.48 cm
13 inches33.02 cm
14 inches35.56 cm
15 inches38.1 cm
16 inches40.64 cm
17 inches43.18 cm
18 inches45.72 cm
19 inches48.26 cm
20 inches50.8 cm
21 inches53.34 cm
22 inches55.88 cm
23 inches58.42 cm
24 inches60.96 cm
25 inches63.5 cm
26 inches66.04 cm
27 inches68.58 cm
28 inches71.12 cm
29 inches73.66 cm
30 inches76.2 cm
31 inches78.74 cm
32 inches81.28 cm
33 inches83.82 cm
34 inches86.36 cm
35 inches88.9 cm
36 inches91.44 cm
37 inches93.98 cm
38 inches96.52 cm
39 inches99.06 cm
40 inches101.6 cm
41 inches104.14 cm
42 inches106.68 cm
43 inches109.22 cm
44 inches111.76 cm
45 inches114.3 cm
46 inches116.84 cm
47 inches119.38 cm
48 inches121.92 cm
49 inches124.46 cm
50 inches127 cm
51 inches129.54 cm
52 inches132.08 cm
53 inches134.62 cm
54 inches137.16 cm
55 inches139.7 cm
56 inches142.24 cm
57 inches144.78 cm
58 inches147.32 cm
59 inches149.86 cm
60 inches152.4 cm
61 inches154.94 cm
62 inches157.48 cm
63 inches160.02 cm
64 inches162.56 cm
65 inches165.1 cm
66 inches167.64 cm
67 inches170.18 cm
68 inches172.72 cm
69 inches175.26 cm
70 inches177.8 cm
71 inches180.34 cm
72 inches182.88 cm
73 inches185.42 cm
74 inches187.96 cm
75 inches190.5 cm
76 inches193.04 cm
77 inches195.58 cm
78 inches198.12 cm
79 inches200.66 cm
80 inches203.2 cm
81 inches205.74 cm
82 inches208.28 cm
83 inches210.82 cm
84 inches213.36 cm
85 inches215.9 cm
86 inches218.44 cm
87 inches220.98 cm
88 inches223.52 cm
89 inches226.06 cm
90 inches228.6 cm
91 inches231.14 cm
92 inches233.68 cm
93 inches236.22 cm
94 inches238.76 cm
95 inches241.3 cm
96 inches243.84 cm
97 inches246.38 cm
98 inches248.92 cm
99 inches251.46 cm
100 inches254 cm
101 inches256.54 cm
102 inches259.08 cm
103 inches261.62 cm
104 inches264.16 cm
105 inches266.7 cm
106 inches269.24 cm
107 inches271.78 cm
108 inches274.32 cm
109 inches276.86 cm
110 inches279.4 cm
111 inches281.94 cm
112 inches284.48 cm
113 inches287.02 cm
114 inches289.56 cm
115 inches292.1 cm
116 inches294.64 cm
117 inches297.18 cm
118 inches299.72 cm
119 inches302.26 cm
120 inches304.8 cm
121 inches307.34 cm
122 inches309.88 cm
123 inches312.42 cm
124 inches314.96 cm
125 inches317.5 cm
126 inches320.04 cm
127 inches322.58 cm
128 inches325.12 cm
129 inches327.66 cm
130 inches330.2 cm
131 inches332.74 cm
132 inches335.28 cm
133 inches337.82 cm
134 inches340.36 cm
135 inches342.9 cm
136 inches345.44 cm
137 inches347.98 cm
138 inches350.52 cm
139 inches353.06 cm
140 inches355.6 cm
141 inches358.14 cm
142 inches360.68 cm
143 inches363.22 cm
144 inches365.76 cm
145 inches368.3 cm
146 inches370.84 cm
147 inches373.38 cm
148 inches375.92 cm
149 inches378.46 cm
150 inches381 cm
151 inches383.54 cm
152 inches386.08 cm
153 inches388.62 cm
154 inches391.16 cm
155 inches393.7 cm
156 inches396.24 cm
157 inches398.78 cm
158 inches401.32 cm
159 inches403.86 cm
160 inches406.4 cm
161 inches408.94 cm
162 inches411.48 cm
163 inches414.02 cm
164 inches416.56 cm
165 inches419.1 cm
166 inches421.64 cm
167 inches424.18 cm
168 inches426.72 cm
169 inches429.26 cm
170 inches431.8 cm
171 inches434.34 cm
172 inches436.88 cm
173 inches439.42 cm
174 inches441.96 cm
175 inches444.5 cm
176 inches447.04 cm
177 inches449.58 cm
178 inches452.12 cm
179 inches454.66 cm
180 inches457.2 cm
181 inches459.74 cm
182 inches462.28 cm
183 inches464.82 cm
184 inches467.36 cm
185 inches469.9 cm
186 inches472.44 cm
187 inches474.98 cm
188 inches477.52 cm
189 inches480.06 cm
190 inches482.6 cm
191 inches485.14 cm
192 inches487.68 cm
193 inches490.2 cm
194 inches492.74 cm
195 inches495.28 cm
196 inches497.82 cm
197 inches500.36 cm
198 inches502.9 cm
199 inches505.44 cm
200 inches508 cm

Inches to Centimeters Conversion Table

InchesCentimeters
1.5 in3.81 cm
2.5 in6.35 cm
3.5 in8.89 cm
4.5 in11.43 cm
5.5 in13.97 cm
6.5 in16.51 cm
7.5 in19.05 cm
8.5 in21.59 cm
9.5 in24.13 cm
10.5 in26.67 cm
11.5 in29.21 cm
12.5 in31.75 cm
13.5 in34.29 cm
14.5 in36.83 cm
15.5 in39.37 cm
16.5 in41.91 cm
17.5 in44.45 cm
18.5 in46.99 cm
19.5 in49.53 cm
20.5 in52.07 cm
21.5 in54.61 cm
22.5 in57.15 cm
23.5 in59.69 cm
24.5 in62.23 cm
25.5 in64.77 cm
26.5 in67.31 cm
27.5 in69.85 cm
28.5 in72.39 cm
29.5 in74.93 cm
30.5 in77.47 cm
31.5 in80.01 cm
32.5 in82.55 cm
33.5 in85.09 cm
34.5 in87.63 cm
35.5 in90.17 cm
36.5 in92.71 cm
37.5 in95.25 cm
38.5 in97.79 cm
39.5 in100.33 cm
40.5 in102.87 cm
41.5 in105.41 cm
42.5 in107.95 cm
43.5 in110.49 cm
44.5 in113.03 cm
45.5 in115.57 cm
46.5 in118.11 cm
47.5 in120.65 cm
48.5 in123.19 cm
49.5 in125.73 cm
50.5 in128.27 cm
51.5 in130.81 cm
52.5 in133.35 cm
53.5 in135.89 cm
54.5 in138.43 cm
55.5 in140.97 cm
56.5 in143.51 cm
57.5 in146.05 cm
58.5 in148.59 cm
59.5 in151.13 cm
60.5 in153.67 cm
61.5 in156.21 cm
62.5 in158.75 cm
63.5 in161.29 cm
64.5 in163.83 cm
65.5 in166.37 cm
66.5 in168.91 cm
67.5 in171.45 cm
68.5 in174.00 cm
69.5 in176.53 cm
70.5 in179.07 cm
71.5 in181.61 cm
72.5 in184.15 cm
73.5 in186.69 cm
74.5 in189.23 cm
75.5 in191.77 cm
76.5 in194.31 cm
77.5 in196.85 cm
78.5 in199.39 cm
79.5 in201.93 cm
80.5 in204.47 cm
81.5 in207.01 cm
82.5 in209.55 cm
83.5 in212.09 cm
84.5 in214.63 cm
85.5 in217.17 cm
86.5 in219.71 cm
87.5 in222.25 cm
88.5 in224.79 cm
89.5 in227.33 cm
90.5 in229.87 cm
91.5 in232.41 cm
92.5 in234.95 cm
93.5 in237.49 cm
94.5 in240.03 cm
95.5 in242.57 cm
96.5 in245.11 cm
97.5 in247.65 cm
98.5 in250.19 cm
99.5 in252.73 cm

Inch to Centimeter Conversion Formula

The formula to convert inches to centimeters is:

1 inch = 2.54 centimeters

To convert any number of inches to centimeters, you multiply the number of inches by 2.54.

Mathematically, this can be expressed as:

CM = Inches × 2.54

For example:

  • To convert 5 inches to centimeters: 5 × 2.54 = 12.7 cm
  • To convert 18.5 inches to centimeters: 18.5 × 2.54 = 46.99 cm

How to Convert Inches to CM?

To convert inches to centimeters, you can use a simple formula. The conversion factor is 1 inch is equal to 2.54 centimeters. This means that for every inch, you multiply by 2.54 to get the equivalent measurement in centimeters.

The formula to convert inches to centimeters is: CM = Inches × 2.54. Here, CM represents the measurement in centimeters, and Inches is the measurement in inches. Simply take the number of inches you want to convert and multiply it by 2.54.

For example, to convert 6 inches to centimeters: CM = 6 × 2.54 = 15.24 cm, 10 inches = 10 × 2.54 = 25.4 cm, 20 inches = 20 × 2.54 = 50.8 cm, and 30 inches = 30 × 2.54 = 76.2 cm.

How many cm is 1 ⁄ 2 inch?

To find how many centimeters are in 1/2 inch:

CM = Inches × 2.54

For 1/2 inch: CM = 0.5 × 2.54 = 1.27 cm

Therefore, 1/2 inch is equal to 1.27 centimeters.

What is 20 inches in centimeters?

To convert 20 inches to centimeters, we apply the conversion formula:

CM = Inches × 2.54

Plugging in 20 inches: CM = 20 × 2.54 = 50.8 cm

Therefore, 20 inches is equal to 50.8 centimeters.

This conversion is particularly useful in everyday scenarios. For example:

  • A standard computer monitor size of 20 inches would be marketed as a 50.8 cm display in countries using the metric system.
  • If you’re ordering a pizza and the menu states a 20-inch size, you’d know it’s equivalent to a 50.8 cm diameter pizza in metric measurements.

How many centimeters is 12 inches?

To convert 12 inches to centimeters, we use the same formula:

CM = Inches × 2.54

For 12 inches: CM = 12 × 2.54 = 30.48 cm

Thus, 12 inches is equal to 30.48 centimeters.

  • In construction, a standard 2×4 lumber piece is actually 1.5 inches by 3.5 inches, which translates to 3.81 cm by 8.89 cm.
  • In sports, a regulation basketball hoop is 18 inches in diameter, which is equivalent to 45.72 cm.

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