Ib means "pound" and is a unit of weight. The horizontal putter in the gym says 1000Ib, which means it can carry 1000 pounds. A catty is about equal to a catty, with a difference of about 50g. Muscle-building powder averages 5 kg, about 2.25 kg. The unit of pounds is also commonly used in gyms, and the weight block means pounds. The pound is the unit of weight in the United States and Britain, and the international unit of weight is usually kilogram, that is, kilogram.