178 Pounds to KG
178 pounds is 80.74 kilograms. Multiply 178 by 0.453592 and you get 80.739 kg, rounded to 80.74 kg. In stone, 178 pounds is 12 stone 10 pounds.
For all pound-to-kilogram conversions, see our full kg to pounds & pounds to kg converter.
Also: 12 stone 10 pounds · 12.71 stone · Convert 178 lbs to stone →
Result
At 178 pounds, which is 80.74 kg, the NHS/WHO category splits clearly by height. At 5ft 4in the BMI is 30.4, just into Class 1 obese. At 5ft 6in the BMI is 28.6, overweight. At 6ft 0in the BMI drops to 24.1, healthy. At 6ft 2in the BMI is 22.8, comfortably healthy.
At 5ft 4in (163cm), the BMI threshold of 30 is crossed at 176 pounds. 178 pounds gives a BMI of 30.4 at that height - just 0.4 above the obese threshold. Two pounds either way shifts the clinical category at this specific height.
178 pounds is 80.74 kg, and at 5ft 6in that gives a BMI of 28.6 - overweight but not close to the obese threshold. The clinical conversation at this weight is usually about understanding whether it is stable or trending upward. Trajectory and blood results together tell me far more than the scale reading alone.
Is 178 Pounds a Healthy Weight?
| Height | Weight (kg) | BMI | NHS/WHO Category |
|---|---|---|---|
| 5ft 0in (152cm) | 80.74 kg | 34.9 | Obese |
| 5ft 2in (157cm) | 80.74 kg | 32.8 | Obese |
| 5ft 4in (163cm) | 80.74 kg | 30.4 | Obese |
| 5ft 6in (168cm) (UK avg) | 80.74 kg | 28.6 | Overweight |
| 5ft 8in (173cm) | 80.74 kg | 27.0 | Overweight |
| 5ft 10in (178cm) | 80.74 kg | 25.5 | Overweight |
| 6ft 0in (183cm) | 80.74 kg | 24.1 | Healthy Weight |
| 6ft 2in (188cm) | 80.74 kg | 22.8 | Healthy Weight |
BMI varies significantly by height. Check your exact BMI →
Weights Close to 178 Pounds
| Pounds (lbs) | Kilograms (kg) | Stone & Pounds | Decimal Stone |
|---|---|---|---|
| 172 | 78.02 | 12 st 4 lb | 12.29 st |
| 174 | 78.93 | 12 st 6 lb | 12.43 st |
| 176 | 79.83 | 12 st 8 lb | 12.57 st |
| 178 (this page) | 80.74 kg | 12 st 10 lb | 12.71 st |
| 180 | 81.65 | 12 st 12 lb | 12.86 st |
| 182 | 82.55 kg | 13 st 0 lb | 13.00 st |
| 184 | 83.46 | 13 st 2 lb | 13.14 st |
| 186 | 84.37 | 13 st 4 lb | 13.29 st |