The normal penile length in males is typically 6–10 cm in the flaccid state and 9–15 cm in the erect state. Due to factors such as growth and development, there is some variation in penile length among males.

The penis is an important male sexual organ, serving functions in sexual intercourse, urination, and ejaculation.

However, the length of the male penis varies under different conditions. It generally becomes thicker and longer during erection, while it may become thinner and shorter when flaccid or exposed to cold. Most males have a penile length of approximately 6–10 cm in the flaccid state and 9–15 cm in the erect state.

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Individual variations exist due to factors such as personal development, ethnicity, androgen levels, and genetics. The length of each penis may differ, but typically, an erect length exceeding 6 cm is sufficient for normal sexual activity and generally does not cause adverse effects.

If a male has a relatively short penis that affects normal sexual activity, it is recommended to seek consultation at a specialized hospital in the relevant department. Appropriate solutions, such as penile lengthening surgery, may be considered.