James Jackson

James Jackson is a personal trainer who uses his expertise in strength and conditioning to create helpful workout tutorials that show fitness enthusiasts how to build muscle while staying safe in the gym. He draws on the latest sports science data as well as tried and tested training techniques to get the best results for his clients without them having to live in the gym.

Learn the average height for 18 year old females and 18 year old males.

Here is the average height for 19 year old females and males in feet.

Find out how much 6 year old boys and girls should weigh and learn how tall they should be.

Learn how much a 7 year old should weigh and find out the average height for 7 year old boys and girls.

How tall should an 11 year old be in feet? Learn the precise, data-backed answer and more.

Discover the average weight and height for 8 year old boys and girls.

Learn the average weight for a 5 year old boy and girl, as well as how tall 5 year olds are on average.

Find out how much 4 year old boys and girls should weigh and learn how tall they are on average.

Find out the average 3 year old height and weight for boys and girls.

Learn how much a 2 year old should weigh and find out how tall they should be.