How much does a whole chicken weigh in kg?

​Taking into account all of the weights of the different breeds of chickens in existence, the average weight of a chicken tends to be around 5.5 pounds (2.5 kg) for hens and 7.5 pounds (3.4 kg) for roosters.

How many grams does a whole chicken weigh?

An average chicken breast weighs 174 g, or about 6 ounces (oz). But sizes vary from smaller cuts at around 4 oz, to larger ones at 8 to 10 oz. There’s no right or wrong choice here. It really depends on what you’re cooking and how much chicken you want.