The centimeter, one of the most widely used units of length, is part of the metric system, adopted globally for scientific and everyday measurements. It’s fascinating to note that the word “centimeter” originates from the Latin “centum,” meaning one hundred, as it represents one-hundredth of a meter. This small unit elegantly balances precision and convenience, making it perfect for measuring dimensions where millimeters might be too small and meters too large.
Despite its widespread use today, the metric system, including the centimeter, was only officially established during the French Revolution in 1799. Prior to this, measurement systems varied greatly across regions and often led to confusion. The adoption of a standardized measurement system was revolutionary, facilitating trade, science, and engineering across borders.
The inch, once the size of a barleycorn kernel, has fascinating origins. Early English measurement systems based it on the width of a man’s thumb. In the 14th century, King Edward II of England formalized it, defining an inch as the length of three barleycorns laid end to end. Historically, the inch was crucial for countless innovations, especially in Anglo-Saxon countries, influencing everything from watchmaking to industrial design.
Today, the inch still plays an integral role in areas like screen sizes and standardized paper dimensions, delighting both tech enthusiasts and everyday users. Interestingly, in surveying, an inch is divided into hundredths in the US, showing its adaptability in precision tasks. Despite the global shift towards the metric system, the inch endures, showcasing its resilience and continued relevance.
| Centimeters | Inches |
|---|---|
0
cm
|
0
in
|
10
cm
|
3.93701
in
|
20
cm
|
7.87402
in
|
30
cm
|
11.81102
in
|
40
cm
|
15.74803
in
|
50
cm
|
19.68504
in
|
60
cm
|
23.62205
in
|
70
cm
|
27.55906
in
|
80
cm
|
31.49606
in
|
90
cm
|
35.43307
in
|
100
cm
|
39.37008
in
|
110
cm
|
43.30709
in
|
120
cm
|
47.2441
in
|
130
cm
|
51.1811
in
|
140
cm
|
55.11811
in
|
150
cm
|
59.05512
in
|
160
cm
|
62.99213
in
|
170
cm
|
66.92914
in
|
180
cm
|
70.86614
in
|
190
cm
|
74.80315
in
|
200
cm
|
78.74016
in
|
210
cm
|
82.67717
in
|
220
cm
|
86.61418
in
|
230
cm
|
90.55118
in
|
240
cm
|
94.48819
in
|
250
cm
|
98.4252
in
|
260
cm
|
102.36221
in
|
270
cm
|
106.29922
in
|
280
cm
|
110.23622
in
|
290
cm
|
114.17323
in
|
300
cm
|
118.11024
in
|
310
cm
|
122.04725
in
|
320
cm
|
125.98426
in
|
330
cm
|
129.92126
in
|
340
cm
|
133.85827
in
|
350
cm
|
137.79528
in
|
360
cm
|
141.73229
in
|
370
cm
|
145.6693
in
|
380
cm
|
149.6063
in
|
390
cm
|
153.54331
in
|
400
cm
|
157.48032
in
|
410
cm
|
161.41733
in
|
420
cm
|
165.35434
in
|
430
cm
|
169.29134
in
|
440
cm
|
173.22835
in
|
450
cm
|
177.16536
in
|
460
cm
|
181.10237
in
|
470
cm
|
185.03938
in
|
480
cm
|
188.97638
in
|
490
cm
|
192.91339
in
|
500
cm
|
196.8504
in
|
510
cm
|
200.78741
in
|
520
cm
|
204.72442
in
|
530
cm
|
208.66142
in
|
540
cm
|
212.59843
in
|
550
cm
|
216.53544
in
|
560
cm
|
220.47245
in
|
570
cm
|
224.40946
in
|
580
cm
|
228.34646
in
|
590
cm
|
232.28347
in
|
600
cm
|
236.22048
in
|
610
cm
|
240.15749
in
|
620
cm
|
244.0945
in
|
630
cm
|
248.0315
in
|
640
cm
|
251.96851
in
|
650
cm
|
255.90552
in
|
660
cm
|
259.84253
in
|
670
cm
|
263.77954
in
|
680
cm
|
267.71654
in
|
690
cm
|
271.65355
in
|
700
cm
|
275.59056
in
|
710
cm
|
279.52757
in
|
720
cm
|
283.46458
in
|
730
cm
|
287.40158
in
|
740
cm
|
291.33859
in
|
750
cm
|
295.2756
in
|
760
cm
|
299.21261
in
|
770
cm
|
303.14962
in
|
780
cm
|
307.08662
in
|
790
cm
|
311.02363
in
|
800
cm
|
314.96064
in
|
810
cm
|
318.89765
in
|
820
cm
|
322.83466
in
|
830
cm
|
326.77166
in
|
840
cm
|
330.70867
in
|
850
cm
|
334.64568
in
|
860
cm
|
338.58269
in
|
870
cm
|
342.5197
in
|
880
cm
|
346.4567
in
|
890
cm
|
350.39371
in
|
900
cm
|
354.33072
in
|
910
cm
|
358.26773
in
|
920
cm
|
362.20474
in
|
930
cm
|
366.14174
in
|
940
cm
|
370.07875
in
|
950
cm
|
374.01576
in
|
960
cm
|
377.95277
in
|
970
cm
|
381.88978
in
|
980
cm
|
385.82678
in
|
990
cm
|
389.76379
in
|
1000
cm
|
393.7008
in
|
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