Skip to content

140 lb in kilograms

140 lbs = 63.5 kg

140 lb × 0.45359237 = 63.502932 kg. 1 pound is exactly 0.45359237 kg.

Open 140 lb in the lbs to kg converter

140 pounds in other forms

Pounds140 lb
Pounds and ounces140 lb 0.0 oz
Stone and pounds10 st 0.0 lb
Kilograms63.5029 kg
Grams63,502.9 g

In words: 140 pounds is 63.5 kilograms, or 10 stone 0.0 pounds.

63.5 kg as a body weight

Body mass index (BMI) is weight in kilograms divided by height in meters squared. At 63.5 kg (140 lb):

HeightBMIAdult category
5′ 4″ (162.6 cm)24.0healthy weight
5′ 8″ (172.7 cm)21.3healthy weight
6′ 0″ (182.9 cm)19.0healthy weight
6′ 4″ (193 cm)17.0underweight

Adult categories as defined by the World Health Organization. BMI is a screening measure, not a diagnosis, and it doesn't apply to children or pregnancy.

Nearby values

PoundsKilogramsStone and pounds
115 lb52.16 kg8 st 3.0 lb
120 lb54.43 kg8 st 8.0 lb
125 lb56.7 kg8 st 13.0 lb
130 lb58.97 kg9 st 4.0 lb
135 lb61.23 kg9 st 9.0 lb
140 lb63.5 kg10 st 0.0 lb
145 lb65.77 kg10 st 5.0 lb
150 lb68.04 kg10 st 10.0 lb
155 lb70.31 kg11 st 1.0 lb
160 lb72.57 kg11 st 6.0 lb
165 lb74.84 kg11 st 11.0 lb

How it's calculated

The international pound is defined as exactly 0.45359237 kilograms, so the conversion itself is exact: 140 lb × 0.45359237 = 63.502932 kg. One pound is 16 ounces and one stone is 14 pounds.

For any other value, use the lbs to kg converter.