How to measure your dick. Make sure to press into the pubic bone as far as you can because fat can actually hide the length of your penis. A tiny person might prefer smaller dicks. Small Penis? Tongkat Ali: The average penis girth ranges from 4. After all, most women say that they prefer girth over length. All Rights Reserved. The issue is how to measure your penis size correctly. Ideally, you want it to be straight for a more accurate measure. Not so scary right? Conflicting studies make it difficult to understand the average penis size by race.