This spot on your back is technically known as the C7 vertebra.

If you have a friend to help, keep your hands on your iliac crests so your friend can measure exactly from the top of your torso to the middle point between the two sides.

Your friend can simply pull the tape taut between the vertebra and the midpoint between your thumbs to get the measurement. If you do not have a measuring tape, you could also use a piece of string or ribbon.

Most adults have a torso length between 15 inches (38 cm) and 22 inches (56 cm). [5] X Research source Torso length and height are independent of one another, so someone who is 5 feet (1. 5 m) and 6 inches (15 cm) tall may surprise you by having a longer torso than someone who is 5 feet (1. 5 m) and 6 inches (15 cm) tall. [6] X Research source

This will be easier with a friend to help you, as they can simply pull the tape around your torso in a single motion, but it is still possible to do on your own. [7] X Research source You can also do this in reverse, beginning at the inside portion of your shoulder on the front of your body.

To do this in reverse, pull the tape toward the back of your body between your legs.

In reverse, you will have to pull the tape up your back to reach your shoulder while still holding onto the tape on the front side. This is where the difficulty comes in, and why it may be easier to begin with the tape on the back side of your shoulder.

The range is generally considered to be between 50 inches (130 cm) and 80 inches (200 cm).