Measure a shirt with a collar that fits you well. Lay the collar flat, and measure from the center of the collar button to the far end of the buttonhole. The measurement in inches is your collar size. (Alternatively, measure around the base of your neck
With arms relaxed at your sides, measure around your chest at the armpits, over the highest part of your chest and shoulder blades, keeping the tape parallel to the floor
Measure around your waist, in your underwear, at the point where your trousers would normally ride. Keep one finger between the tape and your body
Stand with your heels together, and measure around the fullest part of your hips, keeping the tape parallel to the floor.
Bend your elbow 90 degrees and place your hand on your hip. Hold the tape at the center back of your neck. Measure across your shoulder to your elbow, and down to your wrist. The total length in inches is your sleeve length
If possible, get a friend to help. With arms relaxed at your sides, measure the fullest part of your bust, keeping the tape parallel to the floor.
Bend your elbow 90 degrees and place your hand on your hip. Hold the tape at the center back of your neck. Measure across your shoulder to your elbow, and down to your wrist. The total length in inches is your sleeve length.
Measure around your waist, in your underwear, at the point where your trousers would normally ride. Keep one finger between the tape and your body.
Stand with your heels together, and measure around the fullest part of your hips, keeping the tape parallel to the floor.
Hold the tape at the center back of your waist. Run the tape between your legs, pulling comfortably at the crotch, and up to your natural waist in front. The total measurement is your rise.
Stand in stocking feet, with feet together and back to a wall. Measure from the floor to the top of the head.
Measure around the waist (not over pants) at your child's natural waistline. Measure a similar pair of pants that fits your child well. Measure pants from the crotch intersection down to the bottom of the pants.