A ream is a unit of measurement predominantly used in the paper industry, traditionally amounting to 500 sheets of paper. Interestingly, the origin of the term traces back to the Arabic word “rizmah,” meaning “bundle,” and it made its way to English through Old French. Beyond the classic ream of 500 sheets, there are variants such as the printer’s ream, which can sometimes consist of 516 or 532 sheets to account for production and packaging discrepancies.
Historically, the definition of a ream has varied, with ancient versions containing as few as 480 sheets. Today, reams make paper inventory and transaction precision easier for businesses worldwide. Moreover, the ream serves as a convenient metric in assessing and comparing paper consumption on both individual and corporate scales, offering an intriguing glimpse into resource usage and sustainability practices.
The “dozen dozen,” also known as a gross, is a fascinating unit of quantity that equals 144 items. This term comes from the French word “gros,” emphasizing its historical roots in trade and commerce. In a time when transactions relied heavily on simplicity, the gross provided an efficient means of bulk counting, especially in trading markets for items like eggs and screws.
Interestingly, the gross has persisted through centuries and still finds relevance today in certain industries and mathematics where large countable units simplify operations. Historically, it was also part of the duodecimal (base-12) counting system, which merchants found easier for divisions into halves, thirds, and quarters compared to our base-10 system. This unique unit highlights the historical significance of non-decimal counting methods that shaped modern commerce.
Reams | Dozen Dozen |
---|---|
0
ream
|
0
doz-doz
|
0.5
ream
|
1.73611
doz-doz
|
1
ream
|
3.47222
doz-doz
|
1.5
ream
|
5.20833
doz-doz
|
2
ream
|
6.94444
doz-doz
|
2.5
ream
|
8.68056
doz-doz
|
3
ream
|
10.41667
doz-doz
|
3.5
ream
|
12.15278
doz-doz
|
4
ream
|
13.88889
doz-doz
|
4.5
ream
|
15.625
doz-doz
|
5
ream
|
17.36111
doz-doz
|
5.5
ream
|
19.09722
doz-doz
|
6
ream
|
20.83333
doz-doz
|
6.5
ream
|
22.56944
doz-doz
|
7
ream
|
24.30556
doz-doz
|
7.5
ream
|
26.04167
doz-doz
|
8
ream
|
27.77778
doz-doz
|
8.5
ream
|
29.51389
doz-doz
|
9
ream
|
31.25
doz-doz
|
9.5
ream
|
32.98611
doz-doz
|
10
ream
|
34.72222
doz-doz
|
10.5
ream
|
36.45833
doz-doz
|
11
ream
|
38.19444
doz-doz
|
11.5
ream
|
39.93056
doz-doz
|
12
ream
|
41.66667
doz-doz
|
12.5
ream
|
43.40278
doz-doz
|
13
ream
|
45.13889
doz-doz
|
13.5
ream
|
46.875
doz-doz
|
14
ream
|
48.61111
doz-doz
|
14.5
ream
|
50.34722
doz-doz
|
15
ream
|
52.08333
doz-doz
|
15.5
ream
|
53.81944
doz-doz
|
16
ream
|
55.55556
doz-doz
|
16.5
ream
|
57.29167
doz-doz
|
17
ream
|
59.02778
doz-doz
|
17.5
ream
|
60.76389
doz-doz
|
18
ream
|
62.5
doz-doz
|
18.5
ream
|
64.23611
doz-doz
|
19
ream
|
65.97222
doz-doz
|
19.5
ream
|
67.70833
doz-doz
|
20
ream
|
69.44444
doz-doz
|
20.5
ream
|
71.18056
doz-doz
|
21
ream
|
72.91667
doz-doz
|
21.5
ream
|
74.65278
doz-doz
|
22
ream
|
76.38889
doz-doz
|
22.5
ream
|
78.125
doz-doz
|
23
ream
|
79.86111
doz-doz
|
23.5
ream
|
81.59722
doz-doz
|
24
ream
|
83.33333
doz-doz
|
24.5
ream
|
85.06944
doz-doz
|
25
ream
|
86.80556
doz-doz
|
25.5
ream
|
88.54167
doz-doz
|
26
ream
|
90.27778
doz-doz
|
26.5
ream
|
92.01389
doz-doz
|
27
ream
|
93.75
doz-doz
|
27.5
ream
|
95.48611
doz-doz
|
28
ream
|
97.22222
doz-doz
|
28.5
ream
|
98.95833
doz-doz
|
29
ream
|
100.69444
doz-doz
|
29.5
ream
|
102.43056
doz-doz
|
30
ream
|
104.16667
doz-doz
|
30.5
ream
|
105.90278
doz-doz
|
31
ream
|
107.63889
doz-doz
|
31.5
ream
|
109.375
doz-doz
|
32
ream
|
111.11111
doz-doz
|
32.5
ream
|
112.84722
doz-doz
|
33
ream
|
114.58333
doz-doz
|
33.5
ream
|
116.31944
doz-doz
|
34
ream
|
118.05556
doz-doz
|
34.5
ream
|
119.79167
doz-doz
|
35
ream
|
121.52778
doz-doz
|
35.5
ream
|
123.26389
doz-doz
|
36
ream
|
125
doz-doz
|
36.5
ream
|
126.73611
doz-doz
|
37
ream
|
128.47222
doz-doz
|
37.5
ream
|
130.20833
doz-doz
|
38
ream
|
131.94444
doz-doz
|
38.5
ream
|
133.68056
doz-doz
|
39
ream
|
135.41667
doz-doz
|
39.5
ream
|
137.15278
doz-doz
|
40
ream
|
138.88889
doz-doz
|
40.5
ream
|
140.625
doz-doz
|
41
ream
|
142.36111
doz-doz
|
41.5
ream
|
144.09722
doz-doz
|
42
ream
|
145.83333
doz-doz
|
42.5
ream
|
147.56944
doz-doz
|
43
ream
|
149.30556
doz-doz
|
43.5
ream
|
151.04167
doz-doz
|
44
ream
|
152.77778
doz-doz
|
44.5
ream
|
154.51389
doz-doz
|
45
ream
|
156.25
doz-doz
|
45.5
ream
|
157.98611
doz-doz
|
46
ream
|
159.72222
doz-doz
|
46.5
ream
|
161.45833
doz-doz
|
47
ream
|
163.19444
doz-doz
|
47.5
ream
|
164.93056
doz-doz
|
48
ream
|
166.66667
doz-doz
|
48.5
ream
|
168.40278
doz-doz
|
49
ream
|
170.13889
doz-doz
|
49.5
ream
|
171.875
doz-doz
|
50
ream
|
173.61111
doz-doz
|
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