Body & Fitness Metrology
Stone + Pounds to Kilograms (KG)
Convert traditional British & Commonwealth dual-unit body weights (Stone and Pounds) directly into standard Metric Kilograms (kg) and total Pounds (lbs).
1 st = 14 lbs
st
0 to 13.9 lbs
lbs
Metric Weight (Kilograms):
71.67 kg
Exact mass in SI Kilograms
Total Imperial Pounds:
158.00 lbs
(11 × 14) + 4 lbs
Grams:
71,668 g
Precise gram equivalence
Exact Mathematical Formula:
Total Lbs = (11 × 14) + 4 = 158 lbs • KG = 158 × 0.45359237 = 71.67 kg
Reference Lookup Table
Stones to KG & Lbs Reference Table
| Stones (st) | Pounds (lbs) | Kilograms (kg) | Typical Category |
|---|---|---|---|
| 8 st 0 lb | 112 lbs | 50.80 kg | Lightweight / Petite |
| 9 st 0 lb | 126 lbs | 57.15 kg | Small Adult |
| 10 st 0 lb | 140 lbs | 63.50 kg | Medium Adult |
| 11 st 0 lb | 154 lbs | 69.85 kg | Average UK Adult |
| 12 st 0 lb | 168 lbs | 76.20 kg | Medium-Large Adult |
| 13 st 0 lb | 182 lbs | 82.55 kg | Athletic / Large |
| 14 st 0 lb | 196 lbs | 88.90 kg | Heavyweight |
| 15 st 0 lb | 210 lbs | 95.25 kg | Heavyweight Adult |
| 16 st 0 lb | 224 lbs | 101.60 kg | Powerlifter / Heavy |
🔗 Related Weight Converters & Contextual Guides
Need single-value stone conversions? Check our Stone to Kilograms Converter. If you work out with barbell plates or track gym benchmarks, use our Kilograms to Pounds (kg to lbs) and Pounds to Kilograms (lbs to kg) tools.
Generate printable reference charts with our Printable Chart Generator, or compare all 19 units simultaneously on our Live Conversion Matrix and Universal Converter. Review exact legal conversion factors in our Metrology Methodology.