It should be measured close to the body, preferably without clothes or in underwear.
The chest circumference is measured over the largest part of the chest (with a bra).
The underbust measurement is measured directly below the chest.
The waist is measured at the narrowest point.
The hip circumference is measured over the widest part of the hips.
E. Inside leg length
The inside leg is measured between the crotch and the floor.