What Size Bathmate Pump Am I?

To get the best possible results from your hydropump, it's important to pick the right size. If you choose an overly large pump, or one that's too small, you may not receive the maximum pressure, resulting in less impressive results.

Below, our penis size calculator shows you how to accurately measure your penis - and find the perfect Bathmate for you:



Measurement Guide

How to measure yourself correctly

Wondering how to accurately measure your penis size? This simple guide shows you exactly how to accurately size yourself up and pick a Bathmate that really fits you.

Click the button below to begin.

Step 1: Get An Erection

In order to measure yourself correctly your penis must be in an erect state. This will provide the most accurate method of ensuring you choose the correct pump.

You will then be able to select a pump from the four ranges provided.

Step 2: Measure Your Length

Measure your erect penis with a rule pressed lightly onto your pubic bone. You`ll find using a measuring gauge is easier than a ruler.

Record the measurement from the pubic bone right up to the tip of your penis. You will need this measurement later.

Step 3: Measure Your Girth

Measure your erect penis with a rule pressed lightly around the thickest part of your penis. Again, you`ll find using a measuring gauge is easier than a ruler as it bends with ease. Alternatively use a piece of string to get the circumference and then measure this with a ruler.

Record the measurement from the full circumference your penis. Enter your measurements into the calculator to discover your perfect pump.

Size Calculator




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