Convert milligrams to stones quickly and accurately using this free online converter
Used for body weight in the UK and Ireland, where stones remain the everyday unit.
💡 The UK commonly reports body weight in stones and pounds (e.g. 11 stone 4); kilograms are used almost everywhere else.
st = mg × 0.00000015747312
Example: 1 mg × 0.00000015747312 = 0.00000015747312 st
Use stones for UK/Ireland body weight; kilograms for international and medical contexts.
Common uses: body weight in the UK and Ireland.
How do I convert mg to st?
Multiply the value in Milligrams by 0.00000015747312. For example: 10 mg = 0.0000015747 st.
When should I use Stones instead of Milligrams?
Use stones for UK/Ireland body weight; kilograms for international and medical contexts.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Milligrams (mg) | Stones (st) |
|---|---|
| 1 mg | 0.00000015747312 st |
| 2 mg | 0.00000031494625 st |
| 5 mg | 0.00000078736562 st |
| 10 mg | 0.0000015747 st |
| 20 mg | 0.0000031495 st |
| 50 mg | 0.0000078737 st |
| 100 mg | 0.0000157473 st |
| 200 mg | 0.0000314946 st |
| 500 mg | 0.0000787366 st |
| 1000 mg | 0.00015747 st |