Chastity Measurement Guide How To Measure For A Chastity Cage

How To Measure For A Chastity Cage

How to choose a perfectly matched chastity cage? It is an art but not easy to select a ideal cock cage size. With this guide, you will know how to measure for a chastity cage easily. The right cage for you is tight but not painful, which will not make you uncomfortable. Read on this article to get the tricks on how to measure for a male chastity device.

What are the parts of a chastity cage?

The cage consists of two parts, the tube and ring. When you use a cage, you need to connect the rings to the tubes. The tube is the part which covers the penis. The ring is the part at the base of the penis and around the testicles. We will give a full guide on how to measure the chastity cage, including the ring and the tube. Take a look!

How  to measure chastity cage's ring?

Our chasitty cages include with either a single size or all ring sizes, or adjustable sizes. The polupar sizes are  40mm(1.57"), 45mm(1.77") and 50mm(1.97"). These rings are measured by their diameter, which the distance from side to side through the center of a body. A right sized cock ring will fit suitably behind your testicles.

how to measure- cage sizes


Since the penis is round in shape, it is difficult to measure the diameter. Therefore, we recommend measuring the circumference, which the total distance around your penis. After you get the circumference of your penis, you can calculate the diameter of your cock. 

Before to measure your cock's circumference, you can take a hot bath first, which can measure accurately. If you don't have a tape measure, you can wrap a piece of string or ribbon around your penis, then straighten it and use a ruler to record its length. The string can be easily wrapped around the cock just behind the testicles.

mesure the chastity ring size - cock's circumference


Once you have your circumference measurement, simply divide by Pi (about 3.14) to get the diameter.Here are some examples of this calculation with the common ring sizes:

Calculation Examples

  • Circumference: 157mm (6.1 inches) ÷ 3.14 = Diameter: 50mm (1.96 inches)
  • Circumference: 141mm (5.5 inches) ÷ 3.14 = Diameter: 45mm (1.77 inches)
  • Circumference: 125mm (4.9 inches) ÷ 3.14 = Diameter: 40mm (1.57 inches)

How to measure the tube?

The ideal penile cage tube should fit tightly to your penis, but not compress it to the point where it can't release urine. Your urethral suture will rest on the opening at the end of the urethral canal.The width of the cage would be very narrow, completely preventing you from achieving an erection, no matter how excited you might get. Below on how to measure the tube easily.

Firstly, take a hot bath to make the penis flaccid completely .Then use a straight ruler to measure the length of cock from base to tip as the image below.

Follow the steps below to ensure precise measurements:

  • Stand Straight: Maintain an upright position with your back straight.
  • Position Ruler: Place the ruler's edge at the base of your penis, aligning it with the top.
  • Secure Placement: Press the ruler firmly against your pubic bone for an accurate measurement.
How to measure the tube

When to select a cage, how long the tube would be match perfectly for you?  Subtract 1/4 inch to 1/2 inch (6mm to 13 mm) from your measurements of length. For example, Flaccid penis length of 4 inches, you can select the 3.5  inches or 3.75 inches cage.

The Types of Ring

There are two different styles of chastity rings, namely solid rings and hinged rings.

Solid rings are clossed loop which can't open. Hinge rings can be opened by using a small hinge to pop out.

There are arc shape ring(curved ring), round ring, and round-arc ring, adjustable ring.


More ring options, you can check our cock ring selection.

You should know the ring circumference, the total length, tube length, the gap, cage diameter etc before choosing a chastity cage which fit you best.

chastity cage sizes

The perfect chastity cage prevents physical injury and ensures comfort at the same time. In this article, we provide a full  guide on how to select corretly shaped, fitted cock cages. The properly matched cage will feel "just right". Now you can pick your chastity cage easily. Come and select your cages here! always provide you the best matched cock cages with different material and various sizes are available.