8 Stone to Kilograms (8 st to kg)
8 Stone equals 50.8023 Kilograms. Below is the formula, the worked arithmetic, and what 8 st typically represents in everyday use.
Formula and worked answer
Formula
kg = st × 6.35029318
Substituting 8 for st: 8 × 6.35029318 = 50.8023 kg. The factor 6.35029318 comes from the exact international definition of the Stone relative to the Kilogram, so this answer is precise rather than rounded.
What does 8 Stone represent?
8 stone (50.80 kg, or 112 lb) is a common entry weight on UK women's diet-tracking apps and the lower edge of the WHO healthy-BMI range for an adult of average height. Converted to metric it is 50.80 kg, which sits just above the 50 kg reference body used in many international weight-based clinical dosing tables. It is also the modal entry weight on British antenatal records for petite first-time mothers and a frequent reference body for UK clothing brands' "petite" sizing block, with the kg equivalent printed on labels destined for European retail to match continental size-chart conventions.
Values near 8 st
- 3 st=19.0509 kg
- 4 st=25.4012 kg
- 5 st=31.7515 kg
- 6 st=38.1018 kg
- 7 st=44.4521 kg
- 9 st=57.1526 kg
- 10 st=63.5029 kg
- 11 st=69.8532 kg
- 12 st=76.2035 kg
- 13 st=82.5538 kg
st to kg reference table around 8
| st | kg |
|---|---|
| 3 st | 19.0509 kg |
| 4 st | 25.4012 kg |
| 6 st | 38.1018 kg |
| 7 st | 44.4521 kg |
| 8 st | 50.8023 kg |
| 9 st | 57.1526 kg |
| 10 st | 63.5029 kg |
| 12 st | 76.2035 kg |
| 13 st | 82.5538 kg |
| 16 st | 101.6047 kg |
Convert a different value
Looking for a different number of Stone? Use the full st to kg converter to enter any value, see the worked formula, and read the full background on the Stone and the Kilogram. To go the other direction, the kg to st converter applies the inverse factor and is the page to bookmark if you usually start in Kilograms.