The humble teaspoon, while commonly found in kitchen drawers today, has its origins as a unit of measure dating back to the 17th century. Originally used to denote a small, practical serving size for tea, its measurement varied widely until it was standardized in the 19th century. In modern culinary and pharmaceutical fields, a teaspoon is typically equivalent to 5 milliliters or approximately 1/6 of a fluid ounce.
Interestingly, the reason behind this specific measurement standardization was to ensure the consistency needed for medical dosing, underscoring the spoon’s importance beyond culinary purposes. Teaspoons are not just handy for adding sugar to your tea; they play an integral role in recipes and medication precision, highlighting the intersection of culinary art and science.
The “Glas” is an intriguing, though lesser-known, unit of volume, traditionally used in the Netherlands to measure wine and spirits. Dating back to the 1800s, one Glas was approximately equivalent to 150 milliliters, aligning closely with a standard modern wine glass. Its historical use highlights how cultures have tailored measurement systems to fit specific social practices, such as enjoying wine in communal settings, thus embodying the close relationship between cultural traditions and measurement systems.
While it has mostly fallen out of use today, the Glas provides a fascinating glimpse into historical consumption habits and the evolution of standard units. It reminds us that units of measurement are not merely mathematical constructs but are also deeply influenced by the lifestyles and practices of their time.
| Teaspoons | Glas |
|---|---|
0
tsp
|
0
glas
|
1
tsp
|
0.0246446
glas
|
2
tsp
|
0.0492892
glas
|
3
tsp
|
0.0739338
glas
|
4
tsp
|
0.0985784
glas
|
5
tsp
|
0.123223
glas
|
6
tsp
|
0.147868
glas
|
7
tsp
|
0.172512
glas
|
8
tsp
|
0.197157
glas
|
9
tsp
|
0.221801
glas
|
10
tsp
|
0.246446
glas
|
11
tsp
|
0.271091
glas
|
12
tsp
|
0.295735
glas
|
13
tsp
|
0.32038
glas
|
14
tsp
|
0.345025
glas
|
15
tsp
|
0.369669
glas
|
16
tsp
|
0.394314
glas
|
17
tsp
|
0.418958
glas
|
18
tsp
|
0.443603
glas
|
19
tsp
|
0.468248
glas
|
20
tsp
|
0.492892
glas
|
21
tsp
|
0.517537
glas
|
22
tsp
|
0.542181
glas
|
23
tsp
|
0.566826
glas
|
24
tsp
|
0.591471
glas
|
25
tsp
|
0.616115
glas
|
26
tsp
|
0.64076
glas
|
27
tsp
|
0.665404
glas
|
28
tsp
|
0.690049
glas
|
29
tsp
|
0.714694
glas
|
30
tsp
|
0.739338
glas
|
31
tsp
|
0.763983
glas
|
32
tsp
|
0.788627
glas
|
33
tsp
|
0.813272
glas
|
34
tsp
|
0.837917
glas
|
35
tsp
|
0.862561
glas
|
36
tsp
|
0.887206
glas
|
37
tsp
|
0.91185
glas
|
38
tsp
|
0.936495
glas
|
39
tsp
|
0.96114
glas
|
40
tsp
|
0.985784
glas
|
41
tsp
|
1.01043
glas
|
42
tsp
|
1.03507
glas
|
43
tsp
|
1.05972
glas
|
44
tsp
|
1.08436
glas
|
45
tsp
|
1.10901
glas
|
46
tsp
|
1.13365
glas
|
47
tsp
|
1.1583
glas
|
48
tsp
|
1.18294
glas
|
49
tsp
|
1.20759
glas
|
50
tsp
|
1.23223
glas
|
51
tsp
|
1.25688
glas
|
52
tsp
|
1.28152
glas
|
53
tsp
|
1.30616
glas
|
54
tsp
|
1.33081
glas
|
55
tsp
|
1.35545
glas
|
56
tsp
|
1.3801
glas
|
57
tsp
|
1.40474
glas
|
58
tsp
|
1.42939
glas
|
59
tsp
|
1.45403
glas
|
60
tsp
|
1.47868
glas
|
61
tsp
|
1.50332
glas
|
62
tsp
|
1.52797
glas
|
63
tsp
|
1.55261
glas
|
64
tsp
|
1.57725
glas
|
65
tsp
|
1.6019
glas
|
66
tsp
|
1.62654
glas
|
67
tsp
|
1.65119
glas
|
68
tsp
|
1.67583
glas
|
69
tsp
|
1.70048
glas
|
70
tsp
|
1.72512
glas
|
71
tsp
|
1.74977
glas
|
72
tsp
|
1.77441
glas
|
73
tsp
|
1.79906
glas
|
74
tsp
|
1.8237
glas
|
75
tsp
|
1.84835
glas
|
76
tsp
|
1.87299
glas
|
77
tsp
|
1.89763
glas
|
78
tsp
|
1.92228
glas
|
79
tsp
|
1.94692
glas
|
80
tsp
|
1.97157
glas
|
81
tsp
|
1.99621
glas
|
82
tsp
|
2.02086
glas
|
83
tsp
|
2.0455
glas
|
84
tsp
|
2.07015
glas
|
85
tsp
|
2.09479
glas
|
86
tsp
|
2.11944
glas
|
87
tsp
|
2.14408
glas
|
88
tsp
|
2.16873
glas
|
89
tsp
|
2.19337
glas
|
90
tsp
|
2.21801
glas
|
91
tsp
|
2.24266
glas
|
92
tsp
|
2.2673
glas
|
93
tsp
|
2.29195
glas
|
94
tsp
|
2.31659
glas
|
95
tsp
|
2.34124
glas
|
96
tsp
|
2.36588
glas
|
97
tsp
|
2.39053
glas
|
98
tsp
|
2.41517
glas
|
99
tsp
|
2.43982
glas
|
100
tsp
|
2.46446
glas
|
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