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.
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.
| Milligrams | Stones |
|---|---|
0
mg
|
0
st
|
10
mg
|
1.57473e-6
st
|
20
mg
|
3.14946e-6
st
|
30
mg
|
4.72419e-6
st
|
40
mg
|
6.29892e-6
st
|
50
mg
|
7.87365e-6
st
|
60
mg
|
9.44838e-6
st
|
70
mg
|
1.10231e-5
st
|
80
mg
|
1.25978e-5
st
|
90
mg
|
1.41726e-5
st
|
100
mg
|
1.57473e-5
st
|
110
mg
|
0.000017322
st
|
120
mg
|
1.88968e-5
st
|
130
mg
|
2.04715e-5
st
|
140
mg
|
2.20462e-5
st
|
150
mg
|
0.000023621
st
|
160
mg
|
2.51957e-5
st
|
170
mg
|
2.67704e-5
st
|
180
mg
|
2.83451e-5
st
|
190
mg
|
2.99199e-5
st
|
200
mg
|
3.14946e-5
st
|
210
mg
|
3.30693e-5
st
|
220
mg
|
3.46441e-5
st
|
230
mg
|
3.62188e-5
st
|
240
mg
|
3.77935e-5
st
|
250
mg
|
3.93683e-5
st
|
260
mg
|
0.000040943
st
|
270
mg
|
4.25177e-5
st
|
280
mg
|
4.40925e-5
st
|
290
mg
|
4.56672e-5
st
|
300
mg
|
4.72419e-5
st
|
310
mg
|
4.88166e-5
st
|
320
mg
|
5.03914e-5
st
|
330
mg
|
5.19661e-5
st
|
340
mg
|
5.35408e-5
st
|
350
mg
|
5.51156e-5
st
|
360
mg
|
5.66903e-5
st
|
370
mg
|
0.000058265
st
|
380
mg
|
5.98398e-5
st
|
390
mg
|
6.14145e-5
st
|
400
mg
|
6.29892e-5
st
|
410
mg
|
6.45639e-5
st
|
420
mg
|
6.61387e-5
st
|
430
mg
|
6.77134e-5
st
|
440
mg
|
6.92881e-5
st
|
450
mg
|
7.08629e-5
st
|
460
mg
|
7.24376e-5
st
|
470
mg
|
7.40123e-5
st
|
480
mg
|
7.55871e-5
st
|
490
mg
|
7.71618e-5
st
|
500
mg
|
7.87365e-5
st
|
510
mg
|
8.03113e-5
st
|
520
mg
|
0.000081886
st
|
530
mg
|
8.34607e-5
st
|
540
mg
|
8.50354e-5
st
|
550
mg
|
8.66102e-5
st
|
560
mg
|
8.81849e-5
st
|
570
mg
|
8.97596e-5
st
|
580
mg
|
9.13344e-5
st
|
590
mg
|
9.29091e-5
st
|
600
mg
|
9.44838e-5
st
|
610
mg
|
9.60586e-5
st
|
620
mg
|
9.76333e-5
st
|
630
mg
|
0.000099208
st
|
640
mg
|
0.000100783
st
|
650
mg
|
0.000102357
st
|
660
mg
|
0.000103932
st
|
670
mg
|
0.000105507
st
|
680
mg
|
0.000107082
st
|
690
mg
|
0.000108656
st
|
700
mg
|
0.000110231
st
|
710
mg
|
0.000111806
st
|
720
mg
|
0.000113381
st
|
730
mg
|
0.000114955
st
|
740
mg
|
0.00011653
st
|
750
mg
|
0.000118105
st
|
760
mg
|
0.00011968
st
|
770
mg
|
0.000121254
st
|
780
mg
|
0.000122829
st
|
790
mg
|
0.000124404
st
|
800
mg
|
0.000125978
st
|
810
mg
|
0.000127553
st
|
820
mg
|
0.000129128
st
|
830
mg
|
0.000130703
st
|
840
mg
|
0.000132277
st
|
850
mg
|
0.000133852
st
|
860
mg
|
0.000135427
st
|
870
mg
|
0.000137002
st
|
880
mg
|
0.000138576
st
|
890
mg
|
0.000140151
st
|
900
mg
|
0.000141726
st
|
910
mg
|
0.0001433
st
|
920
mg
|
0.000144875
st
|
930
mg
|
0.00014645
st
|
940
mg
|
0.000148025
st
|
950
mg
|
0.000149599
st
|
960
mg
|
0.000151174
st
|
970
mg
|
0.000152749
st
|
980
mg
|
0.000154324
st
|
990
mg
|
0.000155898
st
|
1000
mg
|
0.000157473
st
|
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