Dick Check

What men claim when nobody is watching

18,138 self-reported submissions, set against 778 men measured by clinicians. Nearly everything interesting about this data lives in the difference.

18,138 of 19,208 submissions used here

The rest of the site counts every row. This page counts only what survived filtering, so its totals are lower. 1,070 submissions (5.6%) were set aside: repeat submissions, values sitting exactly on the form's limits, and measurements that are not anatomically possible. Nothing was deleted — the full breakdown and the thresholds are in Method.

The gap

Every measurement submitted to this site, against the distribution clinicians actually record. Both series sit on the same ruler.

7.00–7.25 cm — 14 submissions (0.08%)7.25–7.50 cm — 5 submissions (0.03%)7.50–7.75 cm — 81 submissions (0.46%)7.75–8.00 cm — 5 submissions (0.03%)8.00–8.25 cm — 36 submissions (0.20%)8.25–8.50 cm — 4 submissions (0.02%)8.50–8.75 cm — 6 submissions (0.03%)8.75–9.00 cm — 49 submissions (0.28%)9.00–9.25 cm — 42 submissions (0.24%)9.25–9.50 cm — 23 submissions (0.13%)9.50–9.75 cm — 34 submissions (0.19%)9.75–10.00 cm — 19 submissions (0.11%)10.00–10.25 cm — 265 submissions (1.51%)10.25–10.50 cm — 13 submissions (0.07%)10.50–10.75 cm — 43 submissions (0.24%)10.75–11.00 cm — 24 submissions (0.14%)11.00–11.25 cm — 95 submissions (0.54%)11.25–11.50 cm — 175 submissions (1.00%)11.50–11.75 cm — 46 submissions (0.26%)11.75–12.00 cm — 52 submissions (0.30%)12.00–12.25 cm — 198 submissions (1.13%)12.25–12.50 cm — 52 submissions (0.30%)12.50–12.75 cm — 471 submissions (2.69%)12.75–13.00 cm — 54 submissions (0.31%)13.00–13.25 cm — 301 submissions (1.72%)13.25–13.50 cm — 79 submissions (0.45%)13.50–13.75 cm — 134 submissions (0.76%)13.75–14.00 cm — 372 submissions (2.12%)14.00–14.25 cm — 342 submissions (1.95%)14.25–14.50 cm — 151 submissions (0.86%)14.50–14.75 cm — 294 submissions (1.68%)14.75–15.00 cm — 127 submissions (0.72%)15.00–15.25 cm — 1595 submissions (9.10%)15.25–15.50 cm — 208 submissions (1.19%)15.50–15.75 cm — 178 submissions (1.01%)15.75–16.00 cm — 298 submissions (1.70%)16.00–16.25 cm — 815 submissions (4.65%)16.25–16.50 cm — 184 submissions (1.05%)16.50–16.75 cm — 1209 submissions (6.90%)16.75–17.00 cm — 163 submissions (0.93%)17.00–17.25 cm — 1049 submissions (5.98%)17.25–17.50 cm — 349 submissions (1.99%)17.50–17.75 cm — 483 submissions (2.75%)17.75–18.00 cm — 1720 submissions (9.81%)18.00–18.25 cm — 906 submissions (5.17%)18.25–18.50 cm — 404 submissions (2.30%)18.50–18.75 cm — 419 submissions (2.39%)18.75–19.00 cm — 112 submissions (0.64%)19.00–19.25 cm — 1086 submissions (6.19%)19.25–19.50 cm — 133 submissions (0.76%)19.50–19.75 cm — 264 submissions (1.51%)19.75–20.00 cm — 189 submissions (1.08%)20.00–20.25 cm — 335 submissions (1.91%)20.25–20.50 cm — 665 submissions (3.79%)20.50–20.75 cm — 139 submissions (0.79%)20.75–21.00 cm — 80 submissions (0.46%)21.00–21.25 cm — 139 submissions (0.79%)21.25–21.50 cm — 19 submissions (0.11%)21.50–21.75 cm — 174 submissions (0.99%)21.75–22.00 cm — 20 submissions (0.11%)22.00–22.25 cm — 79 submissions (0.45%)22.25–22.50 cm — 23 submissions (0.13%)22.50–22.75 cm — 19 submissions (0.11%)22.75–23.00 cm — 163 submissions (0.93%)23.00–23.25 cm — 58 submissions (0.33%)23.25–23.50 cm — 17 submissions (0.10%)23.50–23.75 cm — 16 submissions (0.09%)23.75–24.00 cm — 7 submissions (0.04%)24.00–24.25 cm — 50 submissions (0.28%)24.25–24.50 cm — 5 submissions (0.03%)24.50–24.75 cm — 6 submissions (0.03%)24.75–25.00 cm — 8 submissions (0.05%)25.00–25.25 cm — 16 submissions (0.09%)25.25–25.50 cm — 93 submissions (0.53%)25.50–25.75 cm — 3 submissions (0.02%)25.75–26.00 cm — 2 submissions (0.01%)26.00–26.25 cm — 11 submissions (0.06%)26.25–26.50 cm — 3 submissions (0.02%)26.50–26.75 cm — 11 submissions (0.06%)26.75–27.00 cm — 2 submissions (0.01%) clinical mean 14.34 cm median claim 17.00 cm 3" 4" 5" 6" 7" 8" 9" 10" 10 15 20 25 in cm
18,138 submitted here 778 men measured by clinicians
34%
of the claims here are bigger than all but the largest 2.5% of measured men
bigger than 18.0 cm (7.1″)
top 8%
is where an average claim here would rank against measured men
half of submissions are above 17.0 cm (6.7″)
18%
of the claims here are at or below the average measured man
the measured average is 14.3 cm (5.6″)

How much the benchmark matters

Published clinical studies disagree about the average, mostly because they disagree about where to put the ruler. Measuring pressed to the pubic bone adds 1.81 cm — measured within a single study of 778 men, so it is not a difference between populations. Self-measurers press. Every number on this page shifts accordingly.

Habous 2015 (skin-to-tip)
778 men measured
12.5 cm (4.9″) average
A 7″ claim ranks at
99.7
Claims above its top 2.5%
61%
Veale 2015 (systematic review)
692 men measured
13.1 cm (5.2″) average
A 7″ claim ranks at
99.8
Claims above its top 2.5%
61%
Mostafaei 2025 (meta-analysis)
5,669 men measured
13.8 cm (5.4″) average

Publishes no standard deviation, so it cannot rank an individual.

Habous 2015 (bone-pressed)
778 men measured
used here
14.3 cm (5.6″) average
A 7″ claim ranks at
96.8
Claims above its top 2.5%
34%

Mostafaei 2025 (meta-analysis) is the largest and newest pooled estimate, but it reports a standard error rather than a standard deviation, so it can say where the average is without saying how spread out people are. Its interval comfortably contains the reference used here — the studies agree; the newer one is simply less precise.

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