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.
The tablespoon, a common culinary unit, has a fascinating history and diverse applications beyond cooking. Originating from the Middle Ages, tablespoons were initially crafted from wood or horn and varied significantly in size based on regional preferences and the cook’s discretion. Today, the US tablespoon is standardized to 15 milliliters, while in Australia, it measures 20 milliliters. This discrepancy can result in culinary conundrums, especially in international recipes.
Beyond the kitchen, the tablespoon is often used in pharmaceuticals to measure liquid medicine doses and in the sciences for informal yet practical measurements. Fun fact: a tablespoon of water weighs about half an ounce, which can be a neat trick to estimate small weights without a scale.
Glas | Tablespoons |
---|---|
0
glas
|
0
Tbs
|
0.5
glas
|
6.7628
Tbs
|
1
glas
|
13.52561
Tbs
|
1.5
glas
|
20.28841
Tbs
|
2
glas
|
27.05122
Tbs
|
2.5
glas
|
33.81402
Tbs
|
3
glas
|
40.57683
Tbs
|
3.5
glas
|
47.33963
Tbs
|
4
glas
|
54.10244
Tbs
|
4.5
glas
|
60.86524
Tbs
|
5
glas
|
67.62805
Tbs
|
5.5
glas
|
74.39085
Tbs
|
6
glas
|
81.15365
Tbs
|
6.5
glas
|
87.91646
Tbs
|
7
glas
|
94.67926
Tbs
|
7.5
glas
|
101.44207
Tbs
|
8
glas
|
108.20487
Tbs
|
8.5
glas
|
114.96768
Tbs
|
9
glas
|
121.73048
Tbs
|
9.5
glas
|
128.49329
Tbs
|
10
glas
|
135.25609
Tbs
|
10.5
glas
|
142.01889
Tbs
|
11
glas
|
148.7817
Tbs
|
11.5
glas
|
155.5445
Tbs
|
12
glas
|
162.30731
Tbs
|
12.5
glas
|
169.07011
Tbs
|
13
glas
|
175.83292
Tbs
|
13.5
glas
|
182.59572
Tbs
|
14
glas
|
189.35853
Tbs
|
14.5
glas
|
196.12133
Tbs
|
15
glas
|
202.88414
Tbs
|
15.5
glas
|
209.64694
Tbs
|
16
glas
|
216.40974
Tbs
|
16.5
glas
|
223.17255
Tbs
|
17
glas
|
229.93535
Tbs
|
17.5
glas
|
236.69816
Tbs
|
18
glas
|
243.46096
Tbs
|
18.5
glas
|
250.22377
Tbs
|
19
glas
|
256.98657
Tbs
|
19.5
glas
|
263.74938
Tbs
|
20
glas
|
270.51218
Tbs
|
20.5
glas
|
277.27499
Tbs
|
21
glas
|
284.03779
Tbs
|
21.5
glas
|
290.80059
Tbs
|
22
glas
|
297.5634
Tbs
|
22.5
glas
|
304.3262
Tbs
|
23
glas
|
311.08901
Tbs
|
23.5
glas
|
317.85181
Tbs
|
24
glas
|
324.61462
Tbs
|
24.5
glas
|
331.37742
Tbs
|
25
glas
|
338.14023
Tbs
|
25.5
glas
|
344.90303
Tbs
|
26
glas
|
351.66584
Tbs
|
26.5
glas
|
358.42864
Tbs
|
27
glas
|
365.19144
Tbs
|
27.5
glas
|
371.95425
Tbs
|
28
glas
|
378.71705
Tbs
|
28.5
glas
|
385.47986
Tbs
|
29
glas
|
392.24266
Tbs
|
29.5
glas
|
399.00547
Tbs
|
30
glas
|
405.76827
Tbs
|
30.5
glas
|
412.53108
Tbs
|
31
glas
|
419.29388
Tbs
|
31.5
glas
|
426.05668
Tbs
|
32
glas
|
432.81949
Tbs
|
32.5
glas
|
439.58229
Tbs
|
33
glas
|
446.3451
Tbs
|
33.5
glas
|
453.1079
Tbs
|
34
glas
|
459.87071
Tbs
|
34.5
glas
|
466.63351
Tbs
|
35
glas
|
473.39632
Tbs
|
35.5
glas
|
480.15912
Tbs
|
36
glas
|
486.92193
Tbs
|
36.5
glas
|
493.68473
Tbs
|
37
glas
|
500.44753
Tbs
|
37.5
glas
|
507.21034
Tbs
|
38
glas
|
513.97314
Tbs
|
38.5
glas
|
520.73595
Tbs
|
39
glas
|
527.49875
Tbs
|
39.5
glas
|
534.26156
Tbs
|
40
glas
|
541.02436
Tbs
|
40.5
glas
|
547.78717
Tbs
|
41
glas
|
554.54997
Tbs
|
41.5
glas
|
561.31278
Tbs
|
42
glas
|
568.07558
Tbs
|
42.5
glas
|
574.83838
Tbs
|
43
glas
|
581.60119
Tbs
|
43.5
glas
|
588.36399
Tbs
|
44
glas
|
595.1268
Tbs
|
44.5
glas
|
601.8896
Tbs
|
45
glas
|
608.65241
Tbs
|
45.5
glas
|
615.41521
Tbs
|
46
glas
|
622.17802
Tbs
|
46.5
glas
|
628.94082
Tbs
|
47
glas
|
635.70362
Tbs
|
47.5
glas
|
642.46643
Tbs
|
48
glas
|
649.22923
Tbs
|
48.5
glas
|
655.99204
Tbs
|
49
glas
|
662.75484
Tbs
|
49.5
glas
|
669.51765
Tbs
|
50
glas
|
676.28045
Tbs
|
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