Body Ruler

By keeping track of your body's length, you'll be able to get a rough idea of its length anywhere, anytime, with just one body!
Many of you may have been shopping online more and more recently.
When you order things online, you may be concerned about the size.
Of course, the size information will be listed as a specification.
However, it says "width 60cm", but how long is "60cm"?
Often times, it's not a good idea to keep track of the length of your body.
At times like this, you can record the length of your body on this app so you can get a rough idea of how long it is without a measuring tape or scale!
The distance between the elbow and the fingertip of the middle finger is a few centimeters...