It is a tool that allows you to calculate the height from the photo.
How to use 1. a person who has been found to height, please be prepared for a photo that is reflected lined with people who do not know the height. 2. Align the red line to the head and heel of the person who has been found stature, please enter your height. 3. Please match the blue line to the head and heel of people who do not know the height. 4. You will see the estimated height.