calcSD

Percentile calculator

Welcome to calcSD, a lightweight website made so you can easily view the rarity of specific dick sizes. Feel free to type different numbers into the calculator as well.

The numbers are compared against a few datasets that each have an specific average and standard deviation. The accuracy of the results depend on the dataset used, you can see more details about each one here.

Not sure how to measure?

NOTE: The website defaults to centimeters as a measurement unit.
Dataset:

Dataset Average Length (SD) Average Girth (SD) Avg. Flaccid Length (SD)
calcSD Average 14.32cm (1.88) 5.64" (0.74) 11.80cm (1.56) 4.65" (0.61) 8.45cm (1.45) 3.33" (0.57)
Phosphine Average 13.88cm (1.70) 5.46" (0.67) 11.21cm (1.49) 4.41" (0.59) 6.61cm (0.75) 2.60" (0.30)
Habous et al. 2015 14.34cm (1.86) 5.65" (0.73) 11.50cm (1.74) 4.53" (0.69) N/D N/D
Veale et al. 2015 13.12cm (1.66) 5.17" (0.74) 11.66cm (1.10) 4.59" (0.43) 9.16cm (1.57) 3.61" (0.62)
Hungfun's Average 14.61cm (2.10) 5.76" (0.83) 11.87cm (1.37) 4.67" (0.54) 8.58cm (1.73) 3.38" (0.68)