Milligrams to stone

stone = milligrams × 1.57473e-7

How to convert milligrams to stone

One milligram is 1.57473e-7 stone, so multiply the number of milligrams by 1.57473e-7. For example, 20 milligrams is 20 × 1.57473e-7 = 0.00000315 stone. To go back, divide by the same number, or multiply by 6,350,293.18.

Quick estimate

Multiplying by about 2e-7 gets within 27.0% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Mass conversions come up in cooking and baking, shipping and luggage limits, body weight, medicine doses and buying food by weight.

milligrams	stone
1 mg	1.57473e-7 st
2 mg	3.149461e-7 st
3 mg	4.724191e-7 st
4 mg	6.298922e-7 st
5 mg	7.873652e-7 st
6 mg	9.448383e-7 st
7 mg	0.0000011 st
8 mg	0.00000126 st
9 mg	0.00000142 st
10 mg	0.00000157 st
11 mg	0.00000173 st
12 mg	0.00000189 st
13 mg	0.00000205 st
14 mg	0.0000022 st
15 mg	0.00000236 st
16 mg	0.00000252 st
17 mg	0.00000268 st
18 mg	0.00000283 st
19 mg	0.00000299 st
20 mg	0.00000315 st
25 mg	0.00000394 st
30 mg	0.00000472 st
40 mg	0.0000063 st
50 mg	0.00000787 st
60 mg	0.00000945 st
70 mg	0.00001102 st
75 mg	0.00001181 st
80 mg	0.0000126 st
90 mg	0.00001417 st
100 mg	0.00001575 st
120 mg	0.0000189 st
150 mg	0.00002362 st
200 mg	0.00003149 st
250 mg	0.00003937 st
300 mg	0.00004724 st
400 mg	0.00006299 st
500 mg	0.00007874 st
750 mg	0.0001181 st
1,000 mg	0.00015747 st
1,500 mg	0.00023621 st
2,000 mg	0.00031495 st
5,000 mg	0.00078737 st
10,000 mg	0.00157473 st

Questions

How many stone are in a milligram?

1.57473e-7 stone.

How do I convert milligrams to stone in a spreadsheet?

Put the value in A1 and type =A1*1.57473e-7, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.