The stone is a unit of weight that has a particularly rich history, mainly used in the UK and Ireland for human body weight measurement. Originating from the Biblical days, a stone was once standardized by the British Act of Parliament in 1835 to equal 14 pounds. This peculiar unit is still popular in daily life, especially in conversations about body weight or livestock; any Harry Potter fan will recognize Hagrid’s impressive weight mentioned in stones!
An interesting fact is that the symbol for stone “st” doesn’t change forms, much like “lb” for pounds, which can be confusing at first glance. Unlike metric units with their straightforward conversions, the cultural and historical essence of the stone makes it an intriguing part of British heritage, fostering a sense of continuity from medieval markets to modern times.
The milligram, a unit of mass equal to one-thousandth of a gram, is pivotal in fields like pharmacology and chemistry, where precise measurement is essential. Although nearly imperceptible to the human eye, milligrams underpin the dosage of various medications, ensuring both safety and efficacy. A typical aspirin tablet, for example, generally contains 325 milligrams, showcasing how these small units add up to make a noticeable impact on our health.
Interestingly, the milligram plays a significant role in nutrition as well. The recommended daily intake of certain vitamins and minerals is often measured in milligrams. Vitamin C, vital for a healthy immune system, is recommended at about 65 to 90 milligrams per day for adults, highlighting the milligram’s crucial influence on maintaining our well-being.
| Stones | Milligrams |
|---|---|
0
st
|
0
mg
|
0.5
st
|
3175146.59
mg
|
1
st
|
6350293.18
mg
|
1.5
st
|
9525439.77
mg
|
2
st
|
1.27006e+7
mg
|
2.5
st
|
1.58757e+7
mg
|
3
st
|
1.90509e+7
mg
|
3.5
st
|
2.2226e+7
mg
|
4
st
|
2.54012e+7
mg
|
4.5
st
|
2.85763e+7
mg
|
5
st
|
3.17515e+7
mg
|
5.5
st
|
3.49266e+7
mg
|
6
st
|
3.81018e+7
mg
|
6.5
st
|
4.12769e+7
mg
|
7
st
|
4.44521e+7
mg
|
7.5
st
|
4.76272e+7
mg
|
8
st
|
5.08023e+7
mg
|
8.5
st
|
5.39775e+7
mg
|
9
st
|
5.71526e+7
mg
|
9.5
st
|
6.03278e+7
mg
|
10
st
|
6.35029e+7
mg
|
10.5
st
|
6.66781e+7
mg
|
11
st
|
6.98532e+7
mg
|
11.5
st
|
7.30284e+7
mg
|
12
st
|
7.62035e+7
mg
|
12.5
st
|
7.93787e+7
mg
|
13
st
|
8.25538e+7
mg
|
13.5
st
|
8.5729e+7
mg
|
14
st
|
8.89041e+7
mg
|
14.5
st
|
9.20793e+7
mg
|
15
st
|
9.52544e+7
mg
|
15.5
st
|
9.84295e+7
mg
|
16
st
|
1.01605e+8
mg
|
16.5
st
|
1.0478e+8
mg
|
17
st
|
1.07955e+8
mg
|
17.5
st
|
1.1113e+8
mg
|
18
st
|
1.14305e+8
mg
|
18.5
st
|
1.1748e+8
mg
|
19
st
|
1.20656e+8
mg
|
19.5
st
|
1.23831e+8
mg
|
20
st
|
1.27006e+8
mg
|
20.5
st
|
1.30181e+8
mg
|
21
st
|
1.33356e+8
mg
|
21.5
st
|
1.36531e+8
mg
|
22
st
|
1.39706e+8
mg
|
22.5
st
|
1.42882e+8
mg
|
23
st
|
1.46057e+8
mg
|
23.5
st
|
1.49232e+8
mg
|
24
st
|
1.52407e+8
mg
|
24.5
st
|
1.55582e+8
mg
|
25
st
|
1.58757e+8
mg
|
25.5
st
|
1.61932e+8
mg
|
26
st
|
1.65108e+8
mg
|
26.5
st
|
1.68283e+8
mg
|
27
st
|
1.71458e+8
mg
|
27.5
st
|
1.74633e+8
mg
|
28
st
|
1.77808e+8
mg
|
28.5
st
|
1.80983e+8
mg
|
29
st
|
1.84159e+8
mg
|
29.5
st
|
1.87334e+8
mg
|
30
st
|
1.90509e+8
mg
|
30.5
st
|
1.93684e+8
mg
|
31
st
|
1.96859e+8
mg
|
31.5
st
|
2.00034e+8
mg
|
32
st
|
2.03209e+8
mg
|
32.5
st
|
2.06385e+8
mg
|
33
st
|
2.0956e+8
mg
|
33.5
st
|
2.12735e+8
mg
|
34
st
|
2.1591e+8
mg
|
34.5
st
|
2.19085e+8
mg
|
35
st
|
2.2226e+8
mg
|
35.5
st
|
2.25435e+8
mg
|
36
st
|
2.28611e+8
mg
|
36.5
st
|
2.31786e+8
mg
|
37
st
|
2.34961e+8
mg
|
37.5
st
|
2.38136e+8
mg
|
38
st
|
2.41311e+8
mg
|
38.5
st
|
2.44486e+8
mg
|
39
st
|
2.47661e+8
mg
|
39.5
st
|
2.50837e+8
mg
|
40
st
|
2.54012e+8
mg
|
40.5
st
|
2.57187e+8
mg
|
41
st
|
2.60362e+8
mg
|
41.5
st
|
2.63537e+8
mg
|
42
st
|
2.66712e+8
mg
|
42.5
st
|
2.69887e+8
mg
|
43
st
|
2.73063e+8
mg
|
43.5
st
|
2.76238e+8
mg
|
44
st
|
2.79413e+8
mg
|
44.5
st
|
2.82588e+8
mg
|
45
st
|
2.85763e+8
mg
|
45.5
st
|
2.88938e+8
mg
|
46
st
|
2.92113e+8
mg
|
46.5
st
|
2.95289e+8
mg
|
47
st
|
2.98464e+8
mg
|
47.5
st
|
3.01639e+8
mg
|
48
st
|
3.04814e+8
mg
|
48.5
st
|
3.07989e+8
mg
|
49
st
|
3.11164e+8
mg
|
49.5
st
|
3.1434e+8
mg
|
50
st
|
3.17515e+8
mg
|
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