Testicular Volume (Lambert)
Testicular volume (Lambert formula) = length x width x height (cm) x 0.71; normal adult ~12-30 mL.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Length
- 4 cm
- Width
- 3 cm
- Height
- 2.5 cm
Result: Testicular volume 21.3 mL — normal adult ~12-30 mL.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- mL
- L x W x H (cm) x 0.71. Prepubertal < 4 mL, pubertal onset ~4 mL, normal adult ~12-30 mL. A measurement, not a diagnosis.
What you enter
- Length
- Width
- Height
How this is calculated
Lambert B. The frequency of mumps and of mumps orchitis. Acta Genet Stat Med. 1951. (Lambert testicular-volume formula V = L x W x H x 0.71; see also Sakamoto H, et al. Int J Androl. 2007.) Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.