The concept of a dozen, representing the number 12, dates back to ancient civilizations, where it was favored for its divisibility. Twelve can be divided evenly into halves, thirds, and quarters, making it extremely useful for trade and distribution. This efficiency explains its prominence in selling items like eggs, pastries, and even flowers, which are often still grouped in dozens today.
Interestingly, the dozen has transcended its original purpose to influence language and culture. Expressions such as “a baker’s dozen,” which refers to 13, emerged from the medieval practice where bakers would add an extra loaf to a batch of 12 to avoid penalties for selling underweight bread. Through such trivia, the dozen showcases its significant role in both commerce and everyday life.
Often used in trade and commerce, a “gross” is a fascinating unit of measure that signifies a dozen dozens, or 144 items. This term has its roots in the French word “grosse douzaine,” which translates to “large dozen.” Widely used in industries like the printing and manufacturing of items such as pencils or eggs, this unit provides an efficient way to manage and standardize bulk quantities.
A captivating use of the gross came from its influence on “gross income” or “gross profit,” reflecting on the idea of a total before deductions. This unit’s consistency simplifies accounting and inventory, and its history is a testament to the practicality needed in the global development of trade practices.
| Dozens | Gross |
|---|---|
0
doz
|
0
gros
|
0.5
doz
|
0.0416667
gros
|
1
doz
|
0.0833333
gros
|
1.5
doz
|
0.125
gros
|
2
doz
|
0.166667
gros
|
2.5
doz
|
0.208333
gros
|
3
doz
|
0.25
gros
|
3.5
doz
|
0.291667
gros
|
4
doz
|
0.333333
gros
|
4.5
doz
|
0.375
gros
|
5
doz
|
0.416667
gros
|
5.5
doz
|
0.458333
gros
|
6
doz
|
0.5
gros
|
6.5
doz
|
0.541667
gros
|
7
doz
|
0.583333
gros
|
7.5
doz
|
0.625
gros
|
8
doz
|
0.666667
gros
|
8.5
doz
|
0.708333
gros
|
9
doz
|
0.75
gros
|
9.5
doz
|
0.791667
gros
|
10
doz
|
0.833333
gros
|
10.5
doz
|
0.875
gros
|
11
doz
|
0.916667
gros
|
11.5
doz
|
0.958333
gros
|
12
doz
|
1
gros
|
12.5
doz
|
1.04167
gros
|
13
doz
|
1.08333
gros
|
13.5
doz
|
1.125
gros
|
14
doz
|
1.16667
gros
|
14.5
doz
|
1.20833
gros
|
15
doz
|
1.25
gros
|
15.5
doz
|
1.29167
gros
|
16
doz
|
1.33333
gros
|
16.5
doz
|
1.375
gros
|
17
doz
|
1.41667
gros
|
17.5
doz
|
1.45833
gros
|
18
doz
|
1.5
gros
|
18.5
doz
|
1.54167
gros
|
19
doz
|
1.58333
gros
|
19.5
doz
|
1.625
gros
|
20
doz
|
1.66667
gros
|
20.5
doz
|
1.70833
gros
|
21
doz
|
1.75
gros
|
21.5
doz
|
1.79167
gros
|
22
doz
|
1.83333
gros
|
22.5
doz
|
1.875
gros
|
23
doz
|
1.91667
gros
|
23.5
doz
|
1.95833
gros
|
24
doz
|
2
gros
|
24.5
doz
|
2.04167
gros
|
25
doz
|
2.08333
gros
|
25.5
doz
|
2.125
gros
|
26
doz
|
2.16667
gros
|
26.5
doz
|
2.20833
gros
|
27
doz
|
2.25
gros
|
27.5
doz
|
2.29167
gros
|
28
doz
|
2.33333
gros
|
28.5
doz
|
2.375
gros
|
29
doz
|
2.41667
gros
|
29.5
doz
|
2.45833
gros
|
30
doz
|
2.5
gros
|
30.5
doz
|
2.54167
gros
|
31
doz
|
2.58333
gros
|
31.5
doz
|
2.625
gros
|
32
doz
|
2.66667
gros
|
32.5
doz
|
2.70833
gros
|
33
doz
|
2.75
gros
|
33.5
doz
|
2.79167
gros
|
34
doz
|
2.83333
gros
|
34.5
doz
|
2.875
gros
|
35
doz
|
2.91667
gros
|
35.5
doz
|
2.95833
gros
|
36
doz
|
3
gros
|
36.5
doz
|
3.04167
gros
|
37
doz
|
3.08333
gros
|
37.5
doz
|
3.125
gros
|
38
doz
|
3.16667
gros
|
38.5
doz
|
3.20833
gros
|
39
doz
|
3.25
gros
|
39.5
doz
|
3.29167
gros
|
40
doz
|
3.33333
gros
|
40.5
doz
|
3.375
gros
|
41
doz
|
3.41667
gros
|
41.5
doz
|
3.45833
gros
|
42
doz
|
3.5
gros
|
42.5
doz
|
3.54167
gros
|
43
doz
|
3.58333
gros
|
43.5
doz
|
3.625
gros
|
44
doz
|
3.66667
gros
|
44.5
doz
|
3.70833
gros
|
45
doz
|
3.75
gros
|
45.5
doz
|
3.79167
gros
|
46
doz
|
3.83333
gros
|
46.5
doz
|
3.875
gros
|
47
doz
|
3.91667
gros
|
47.5
doz
|
3.95833
gros
|
48
doz
|
4
gros
|
48.5
doz
|
4.04167
gros
|
49
doz
|
4.08333
gros
|
49.5
doz
|
4.125
gros
|
50
doz
|
4.16667
gros
|
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