The “couple” is an intriguing unit that measures torque, essentially describing a pair of equal and opposite forces acting on a body in parallel planes. Despite its relatively obscure use in modern contexts compared to units like the newton-meter, the concept of a couple is fundamental in engineering and physics. It is vital in the analysis of systems that require rotational movements, such as gears, engines, and propeller shafts, highlighting the unit’s significance in various mechanical and structural applications.
Interestingly, what’s unique about a couple is that its effectiveness is independent of the point of rotation. This property allows engineers to simplify complex systems, focusing purely on the magnitude and direction of rotation rather than the specific pivot point, making their calculations both practical and efficient.
The Great Gross is a fascinating old-world unit of measure that might surprise many with its sheer scale. Representing 12 Gross (or 144 dozens), a Great Gross equals a whopping 1,728 individual items! Used historically in wholesale trade, especially during the medieval and early modern periods in Europe, this unit provided efficiency in large-scale commerce, allowing for easy calculation and transaction in bulk goods like candles, eggs, or textiles.
While not commonly used in modern trade, the Great Gross underscores historical trade practices and quantification in a world before digital analytics. Imagine being a merchant in a bustling market, selling your goods in Great Grosses—an image that conjures the vibrant rhythms of bygone eras and highlights the evolution of our measurement systems over time.
| Couples | Great Gross |
|---|---|
0
cp
|
0
gr-gr
|
0.5
cp
|
0.000578704
gr-gr
|
1
cp
|
0.00115741
gr-gr
|
1.5
cp
|
0.00173611
gr-gr
|
2
cp
|
0.00231481
gr-gr
|
2.5
cp
|
0.00289352
gr-gr
|
3
cp
|
0.00347222
gr-gr
|
3.5
cp
|
0.00405093
gr-gr
|
4
cp
|
0.00462963
gr-gr
|
4.5
cp
|
0.00520833
gr-gr
|
5
cp
|
0.00578704
gr-gr
|
5.5
cp
|
0.00636574
gr-gr
|
6
cp
|
0.00694444
gr-gr
|
6.5
cp
|
0.00752315
gr-gr
|
7
cp
|
0.00810185
gr-gr
|
7.5
cp
|
0.00868056
gr-gr
|
8
cp
|
0.00925926
gr-gr
|
8.5
cp
|
0.00983796
gr-gr
|
9
cp
|
0.0104167
gr-gr
|
9.5
cp
|
0.0109954
gr-gr
|
10
cp
|
0.0115741
gr-gr
|
10.5
cp
|
0.0121528
gr-gr
|
11
cp
|
0.0127315
gr-gr
|
11.5
cp
|
0.0133102
gr-gr
|
12
cp
|
0.0138889
gr-gr
|
12.5
cp
|
0.0144676
gr-gr
|
13
cp
|
0.0150463
gr-gr
|
13.5
cp
|
0.015625
gr-gr
|
14
cp
|
0.0162037
gr-gr
|
14.5
cp
|
0.0167824
gr-gr
|
15
cp
|
0.0173611
gr-gr
|
15.5
cp
|
0.0179398
gr-gr
|
16
cp
|
0.0185185
gr-gr
|
16.5
cp
|
0.0190972
gr-gr
|
17
cp
|
0.0196759
gr-gr
|
17.5
cp
|
0.0202546
gr-gr
|
18
cp
|
0.0208333
gr-gr
|
18.5
cp
|
0.021412
gr-gr
|
19
cp
|
0.0219907
gr-gr
|
19.5
cp
|
0.0225694
gr-gr
|
20
cp
|
0.0231481
gr-gr
|
20.5
cp
|
0.0237269
gr-gr
|
21
cp
|
0.0243056
gr-gr
|
21.5
cp
|
0.0248843
gr-gr
|
22
cp
|
0.025463
gr-gr
|
22.5
cp
|
0.0260417
gr-gr
|
23
cp
|
0.0266204
gr-gr
|
23.5
cp
|
0.0271991
gr-gr
|
24
cp
|
0.0277778
gr-gr
|
24.5
cp
|
0.0283565
gr-gr
|
25
cp
|
0.0289352
gr-gr
|
25.5
cp
|
0.0295139
gr-gr
|
26
cp
|
0.0300926
gr-gr
|
26.5
cp
|
0.0306713
gr-gr
|
27
cp
|
0.03125
gr-gr
|
27.5
cp
|
0.0318287
gr-gr
|
28
cp
|
0.0324074
gr-gr
|
28.5
cp
|
0.0329861
gr-gr
|
29
cp
|
0.0335648
gr-gr
|
29.5
cp
|
0.0341435
gr-gr
|
30
cp
|
0.0347222
gr-gr
|
30.5
cp
|
0.0353009
gr-gr
|
31
cp
|
0.0358796
gr-gr
|
31.5
cp
|
0.0364583
gr-gr
|
32
cp
|
0.037037
gr-gr
|
32.5
cp
|
0.0376157
gr-gr
|
33
cp
|
0.0381944
gr-gr
|
33.5
cp
|
0.0387731
gr-gr
|
34
cp
|
0.0393519
gr-gr
|
34.5
cp
|
0.0399306
gr-gr
|
35
cp
|
0.0405093
gr-gr
|
35.5
cp
|
0.041088
gr-gr
|
36
cp
|
0.0416667
gr-gr
|
36.5
cp
|
0.0422454
gr-gr
|
37
cp
|
0.0428241
gr-gr
|
37.5
cp
|
0.0434028
gr-gr
|
38
cp
|
0.0439815
gr-gr
|
38.5
cp
|
0.0445602
gr-gr
|
39
cp
|
0.0451389
gr-gr
|
39.5
cp
|
0.0457176
gr-gr
|
40
cp
|
0.0462963
gr-gr
|
40.5
cp
|
0.046875
gr-gr
|
41
cp
|
0.0474537
gr-gr
|
41.5
cp
|
0.0480324
gr-gr
|
42
cp
|
0.0486111
gr-gr
|
42.5
cp
|
0.0491898
gr-gr
|
43
cp
|
0.0497685
gr-gr
|
43.5
cp
|
0.0503472
gr-gr
|
44
cp
|
0.0509259
gr-gr
|
44.5
cp
|
0.0515046
gr-gr
|
45
cp
|
0.0520833
gr-gr
|
45.5
cp
|
0.052662
gr-gr
|
46
cp
|
0.0532407
gr-gr
|
46.5
cp
|
0.0538194
gr-gr
|
47
cp
|
0.0543981
gr-gr
|
47.5
cp
|
0.0549769
gr-gr
|
48
cp
|
0.0555556
gr-gr
|
48.5
cp
|
0.0561343
gr-gr
|
49
cp
|
0.056713
gr-gr
|
49.5
cp
|
0.0572917
gr-gr
|
50
cp
|
0.0578704
gr-gr
|
If you like the website, share it on social media.