How to Accurately Measure Penis Length: A Guide for Men - Urology

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Penile issues


To measure the length of the penis, the pubic bone is typically used as the reference point.
The measurement should be taken from the top of the penis, pressing down gently to locate the pubic bone.
If you do not feel the bone when pressing down, you may need to press slightly to the side to find it.
The correct method is to measure from the pubic bone at the top of the penis, as illustrated in the linked webpage.

Niming, 30~39 year old female. Ask Date: 2021/03/07

Dr. Du Shixi reply Urology


Hello: Generally, the measurement is taken at the pubic symphysis, which is where the midline allows you to feel the bone.
Wishing you good health.

Reply Date: 2021/03/07

More Info


To accurately measure penis length, it's essential to follow a standardized method to ensure consistency and reliability in your measurements. Here’s a comprehensive guide on how to do it correctly, along with some additional insights into the anatomy involved.


Step-by-Step Guide to Measuring Penis Length
1. Preparation: Ensure that you are in a comfortable environment where you can relax. Stress or anxiety can affect your measurements, so it’s best to do this when you feel at ease.

2. Positioning: The most common position for measuring is standing. This position allows for a more accurate measurement as gravity helps to elongate the penis.

3. Identifying the Pubic Bone: The pubic bone is located at the base of the penis, where it meets the body. To find it, place your finger at the base of the penis and press down gently until you feel the hard bone underneath. This is crucial because you will measure from this point.

4. Measuring Technique:
- Using a Ruler: Take a straight ruler or a measuring tape. Place one end of the ruler at the pubic bone (the point where you felt the bone) and extend it along the top side of the penis to the tip of the glans (the head of the penis).

- Pressure: Apply gentle pressure to the ruler against the pubic bone to ensure that you are measuring from the correct point. This may involve pressing down slightly to account for any fat pad that may obscure the bone.

- Reading the Measurement: Note the measurement at the tip of the glans. If you are using a ruler, ensure that you are reading it correctly, accounting for any additional distance if the ruler does not start at zero.

5. Using a Soft Measuring Tape: If you prefer using a soft measuring tape, you can also measure from the pubic bone to the tip of the glans. Make sure to press the tape against the pubic bone for an accurate reading.


Common Questions and Clarifications
- Should I Add Extra Length?: If you measured 15.1 to 15.2 cm and noticed that the ruler does not start at zero (for example, it starts at 0.5 cm), you should indeed add that extra length to your measurement. Therefore, if your measurement reads 15 cm, you would report it as 15.5 cm.

- Curvature and Measurement Accuracy: If your penis is straight, measuring with a ruler should yield accurate results. However, if there is any curvature, it may be beneficial to measure along the curve to get a more accurate representation of length.

- Normal Variations: It’s important to note that penis size can vary significantly among individuals, and factors such as temperature, arousal level, and time of day can affect measurements.

Additional Considerations
- Consulting a Professional: If you have concerns about your measurements or any aspect of your sexual health, consulting a healthcare professional is advisable. They can provide guidance and reassurance, as well as perform measurements in a clinical setting if necessary.

- Understanding Normal Size: The average erect penis size is often cited to be between 12 to 16 cm (approximately 4.7 to 6.3 inches). However, size does not determine sexual satisfaction or self-worth, and it’s essential to focus on overall health and well-being rather than just measurements.

In conclusion, measuring penis length accurately involves understanding the anatomy, using the right techniques, and being mindful of the factors that can influence your measurements. If you have any doubts or questions, don’t hesitate to reach out to a healthcare provider for personalized advice.

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