Penis measurement pictures. Do you have any tips or tricks on how to measure penis size correctly? If you want to learn how to measure penis size correctly, here are the three steps you must follow in order to get accurate results: Should it seem like the sender has sneakily removed context clues, the recipient can simply ask for a follow-up photo from the Measure app. You're not telling them anything new. Should you make the splurge? Q Library of Congress authority ID: This Callout. That's exactly where the new iOS update, which includes an app that helps you measure the world around you, comes in.