The “ton” has different meanings depending on where you are in the world. In the United States, the short ton weighs 2,000 pounds, whereas in the United Kingdom, the long ton is slightly heavier at 2,240 pounds. Meanwhile, the metric ton (or tonne) used in most countries around the globe weighs exactly 1,000 kilograms or 2,204.62 pounds, which aligns with the International System of Units.
Interestingly, the term “ton” originated from “tun,” a large cask used to measure wine or ale’s capacity in medieval times. This historical connection signifies not just weight but also volume, reflecting the ton’s versatile application throughout history. Whether measuring ship’s cargo or carbon emissions, the ton continues to be a crucial unit in various fields.
The pound, symbolized as “lb,” has an intriguing history that dates back to ancient Rome. The word “pound” originates from the Latin word “libra,” a unit used in Rome, which explains its abbreviation “lb.” The pound in England was first standardized in the 13th century as the Tower pound, which was later replaced by the more familiar Avoirdupois pound in 1959. This unit is still widely used in the United States and other countries as a measure of weight, equivalent to 16 ounces or approximately 453.592 grams.
The term “pound” is also used in currency, notably the British Pound Sterling, reflecting its historical association with a pound weight of silver. Interestingly, both uses of “pound” highlight its longstanding economic significance, indicating value and weight across different contexts and time periods. Such dual purposes underscore the unit’s adaptability and persistence through history, making it a fascinating study in linguistic and metrological evolution.
Tons | Pounds |
---|---|
0
t
|
0
lb
|
0.5
t
|
1000
lb
|
1
t
|
2000
lb
|
1.5
t
|
3000
lb
|
2
t
|
4000
lb
|
2.5
t
|
5000
lb
|
3
t
|
6000
lb
|
3.5
t
|
7000
lb
|
4
t
|
8000
lb
|
4.5
t
|
9000
lb
|
5
t
|
10000
lb
|
5.5
t
|
11000
lb
|
6
t
|
12000
lb
|
6.5
t
|
13000
lb
|
7
t
|
14000
lb
|
7.5
t
|
15000
lb
|
8
t
|
16000
lb
|
8.5
t
|
17000
lb
|
9
t
|
18000
lb
|
9.5
t
|
19000
lb
|
10
t
|
20000
lb
|
10.5
t
|
21000
lb
|
11
t
|
22000
lb
|
11.5
t
|
23000
lb
|
12
t
|
24000
lb
|
12.5
t
|
25000
lb
|
13
t
|
26000
lb
|
13.5
t
|
27000
lb
|
14
t
|
28000
lb
|
14.5
t
|
29000
lb
|
15
t
|
30000
lb
|
15.5
t
|
31000
lb
|
16
t
|
32000
lb
|
16.5
t
|
33000
lb
|
17
t
|
34000
lb
|
17.5
t
|
35000
lb
|
18
t
|
36000
lb
|
18.5
t
|
37000
lb
|
19
t
|
38000
lb
|
19.5
t
|
39000
lb
|
20
t
|
40000
lb
|
20.5
t
|
41000
lb
|
21
t
|
42000
lb
|
21.5
t
|
43000
lb
|
22
t
|
44000
lb
|
22.5
t
|
45000
lb
|
23
t
|
46000
lb
|
23.5
t
|
47000
lb
|
24
t
|
48000
lb
|
24.5
t
|
49000
lb
|
25
t
|
50000
lb
|
25.5
t
|
51000
lb
|
26
t
|
52000
lb
|
26.5
t
|
53000
lb
|
27
t
|
54000
lb
|
27.5
t
|
55000
lb
|
28
t
|
56000
lb
|
28.5
t
|
57000
lb
|
29
t
|
58000
lb
|
29.5
t
|
59000
lb
|
30
t
|
60000
lb
|
30.5
t
|
61000
lb
|
31
t
|
62000
lb
|
31.5
t
|
63000
lb
|
32
t
|
64000
lb
|
32.5
t
|
65000
lb
|
33
t
|
66000
lb
|
33.5
t
|
67000
lb
|
34
t
|
68000
lb
|
34.5
t
|
69000
lb
|
35
t
|
70000
lb
|
35.5
t
|
71000
lb
|
36
t
|
72000
lb
|
36.5
t
|
73000
lb
|
37
t
|
74000
lb
|
37.5
t
|
75000
lb
|
38
t
|
76000
lb
|
38.5
t
|
77000
lb
|
39
t
|
78000
lb
|
39.5
t
|
79000
lb
|
40
t
|
80000
lb
|
40.5
t
|
81000
lb
|
41
t
|
82000
lb
|
41.5
t
|
83000
lb
|
42
t
|
84000
lb
|
42.5
t
|
85000
lb
|
43
t
|
86000
lb
|
43.5
t
|
87000
lb
|
44
t
|
88000
lb
|
44.5
t
|
89000
lb
|
45
t
|
90000
lb
|
45.5
t
|
91000
lb
|
46
t
|
92000
lb
|
46.5
t
|
93000
lb
|
47
t
|
94000
lb
|
47.5
t
|
95000
lb
|
48
t
|
96000
lb
|
48.5
t
|
97000
lb
|
49
t
|
98000
lb
|
49.5
t
|
99000
lb
|
50
t
|
100000
lb
|
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