The fluid ounce is a unit of volume with a fascinating history that dates back to Ancient Rome. Originally based on a single sip’s worth of wine, it evolved over centuries to meet the needs of various cultures and trades. Today, a fluid ounce comprises different measurements in the U.S. and the UK, with the U.S. fluid ounce measuring approximately 29.57 milliliters, and the UK, or imperial fluid ounce, equivalent to about 28.41 milliliters.
This discrepancy roots back to the British Imperial System’s adjustments in the 19th century. Interestingly, the fluid ounce is not just a relic of the past; it’s still widely used in everything from cooking recipes to beverage servings, showcasing its enduring relevance in modern life.
The centilitre, a lesser-known unit, is often overshadowed by its more popular counterparts, the litre and millilitre. Primarily used in European countries, a centilitre (cL) is equal to 10 millilitres or one-hundredth of a litre. It’s a convenient measure for small volumes, especially in the context of beverages. For example, if you order a glass of wine in France or Switzerland, it’s common for the serving size to be expressed in centilitres, like 12.5 cL, which allows for precise portion control and is distinct from the typically larger measurements used elsewhere. This unit provides an ideal balance between too fine a granularity and too coarse a measurement, making it popular in the culinary world.
| Fluid Ounces | Centilitres |
|---|---|
0
fl-oz
|
0
cl
|
1
fl-oz
|
2.95735
cl
|
2
fl-oz
|
5.91471
cl
|
3
fl-oz
|
8.87206
cl
|
4
fl-oz
|
11.82941
cl
|
5
fl-oz
|
14.78676
cl
|
6
fl-oz
|
17.74412
cl
|
7
fl-oz
|
20.70147
cl
|
8
fl-oz
|
23.65882
cl
|
9
fl-oz
|
26.61618
cl
|
10
fl-oz
|
29.57353
cl
|
11
fl-oz
|
32.53088
cl
|
12
fl-oz
|
35.48824
cl
|
13
fl-oz
|
38.44559
cl
|
14
fl-oz
|
41.40294
cl
|
15
fl-oz
|
44.36029
cl
|
16
fl-oz
|
47.31765
cl
|
17
fl-oz
|
50.275
cl
|
18
fl-oz
|
53.23235
cl
|
19
fl-oz
|
56.18971
cl
|
20
fl-oz
|
59.14706
cl
|
21
fl-oz
|
62.10441
cl
|
22
fl-oz
|
65.06177
cl
|
23
fl-oz
|
68.01912
cl
|
24
fl-oz
|
70.97647
cl
|
25
fl-oz
|
73.93382
cl
|
26
fl-oz
|
76.89118
cl
|
27
fl-oz
|
79.84853
cl
|
28
fl-oz
|
82.80588
cl
|
29
fl-oz
|
85.76324
cl
|
30
fl-oz
|
88.72059
cl
|
31
fl-oz
|
91.67794
cl
|
32
fl-oz
|
94.63529
cl
|
33
fl-oz
|
97.59265
cl
|
34
fl-oz
|
100.55
cl
|
35
fl-oz
|
103.50735
cl
|
36
fl-oz
|
106.46471
cl
|
37
fl-oz
|
109.42206
cl
|
38
fl-oz
|
112.37941
cl
|
39
fl-oz
|
115.33677
cl
|
40
fl-oz
|
118.29412
cl
|
41
fl-oz
|
121.25147
cl
|
42
fl-oz
|
124.20882
cl
|
43
fl-oz
|
127.16618
cl
|
44
fl-oz
|
130.12353
cl
|
45
fl-oz
|
133.08088
cl
|
46
fl-oz
|
136.03824
cl
|
47
fl-oz
|
138.99559
cl
|
48
fl-oz
|
141.95294
cl
|
49
fl-oz
|
144.9103
cl
|
50
fl-oz
|
147.86765
cl
|
51
fl-oz
|
150.825
cl
|
52
fl-oz
|
153.78235
cl
|
53
fl-oz
|
156.73971
cl
|
54
fl-oz
|
159.69706
cl
|
55
fl-oz
|
162.65441
cl
|
56
fl-oz
|
165.61177
cl
|
57
fl-oz
|
168.56912
cl
|
58
fl-oz
|
171.52647
cl
|
59
fl-oz
|
174.48382
cl
|
60
fl-oz
|
177.44118
cl
|
61
fl-oz
|
180.39853
cl
|
62
fl-oz
|
183.35588
cl
|
63
fl-oz
|
186.31324
cl
|
64
fl-oz
|
189.27059
cl
|
65
fl-oz
|
192.22794
cl
|
66
fl-oz
|
195.1853
cl
|
67
fl-oz
|
198.14265
cl
|
68
fl-oz
|
201.1
cl
|
69
fl-oz
|
204.05735
cl
|
70
fl-oz
|
207.01471
cl
|
71
fl-oz
|
209.97206
cl
|
72
fl-oz
|
212.92941
cl
|
73
fl-oz
|
215.88677
cl
|
74
fl-oz
|
218.84412
cl
|
75
fl-oz
|
221.80147
cl
|
76
fl-oz
|
224.75883
cl
|
77
fl-oz
|
227.71618
cl
|
78
fl-oz
|
230.67353
cl
|
79
fl-oz
|
233.63088
cl
|
80
fl-oz
|
236.58824
cl
|
81
fl-oz
|
239.54559
cl
|
82
fl-oz
|
242.50294
cl
|
83
fl-oz
|
245.4603
cl
|
84
fl-oz
|
248.41765
cl
|
85
fl-oz
|
251.375
cl
|
86
fl-oz
|
254.33236
cl
|
87
fl-oz
|
257.28971
cl
|
88
fl-oz
|
260.24706
cl
|
89
fl-oz
|
263.20441
cl
|
90
fl-oz
|
266.16177
cl
|
91
fl-oz
|
269.11912
cl
|
92
fl-oz
|
272.07647
cl
|
93
fl-oz
|
275.03383
cl
|
94
fl-oz
|
277.99118
cl
|
95
fl-oz
|
280.94853
cl
|
96
fl-oz
|
283.90588
cl
|
97
fl-oz
|
286.86324
cl
|
98
fl-oz
|
289.82059
cl
|
99
fl-oz
|
292.77794
cl
|
100
fl-oz
|
295.7353
cl
|
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