It is defined as a person's weight in kilograms divided by the square of his height in meters (kg/m2).

其定义为按公斤计算的体重除以按米计算的身高的平方(kg/m2).

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At the end of the week, the men, whose mean weight starting out was 105 kilograms, had lost on average about 1.5 kg, the researchers report 4 February in Obesity.

一周之后，这些人的平均体重在105千克的基础上减掉了1.5千克，研究者将结果报告于2月4日的《肥胖》杂志。

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For those who use the metric system, divide your weight (in kilograms) by 30 (ex. somebody weighing 70 kg is going to need 2.3 liters per day).

对于那些用公制计算体重的人，要把体重(千克)分为30个部分(如，一个人体重70千克就需要每天喝2.3升水)。

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Initial estimates of the amount of explosives used in the bomb varied from 50 kilograms (110 pounds) to 70 kg.

BBC: Car bomb rocks Bogota suburb

The report said platinum capacity worldwide is expected to further increase by 24, 000 kilograms in South Africa, 9, 000 kg in Russia, 3, 000 kg in Canada, and 2, 000 kg in Zimbabwe from 2011 through 2015.

FORBES: USGS: Sources Of PGMs From South Africa, Russia Likely To Change