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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 a specific average and standard deviation. The accuracy of the results depend on the dataset used, you can see more details about each one here.
| Dataset | Average Length (SD) | Average Girth (SD) | Avg. Flaccid Length (SD) | |||
|---|---|---|---|---|---|---|
| calcSD Global Average (BP) | 13.98cm (1.72) | 5.50" (0.68) | 11.64cm (1.31) | 4.58" (0.52) | 8.96cm (1.41) | 3.53" (0.55) |
| Western Average (BP) | 14.49cm (1.91) | 5.70" (0.75) | 11.89cm (1.47) | 4.68" (0.58) | 9.55cm (1.57) | 3.76" (0.62) |
| Eastern Average (BP) | 13.23cm (1.39) | 5.21" (0.55) | 11.27cm (1.02) | 4.44" (0.40) | 8.15cm (1.16) | 3.21" (0.46) |
| LifeStyles Condoms | 14.93cm (2.10) | 5.88" (0.83) | 12.63cm (1.29) | 4.97" (0.51) | N/D | N/D |
| Di Mauro et al. 2021 (BP) | 16.78cm (2.55) | 6.61" (1.00) | 12.03cm (3.82) | 4.74" (1.50) | 9.47cm (2.69) | 3.73" (1.06) |
| Kinsey Data | 15.65cm (1.88) | 6.16" (0.74) | 12.33cm (1.61) | 4.86" (0.64) | 9.84cm (1.81) | 3.87" (0.71) |
| Herbenick et al. 2014 | 14.15cm (2.66) | 5.57" (1.05) | 12.31cm (2.09) | 4.85" (0.82) | 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) |