Statistical Reference Tool

See where you fall against published measurement data.

Enter your measurements and get a clear percentile — drawn from peer-reviewed clinical research, not guesswork.

Enter your measurements

Nothing is stored or sent anywhere.

Unit

Erect length

Erect girth

For consistent results: measure length along the top from base to tip while standing straight; measure girth at the thickest point.

Reference distribution: Veale et al. (2015), BJU International,
international meta-analysis (UK-based research team, King's College London),
pooled clinical measurements from multiple countries, n up to 15,521.
DOI: 10.1111/bju.13010 →

Your results

Your length

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Your girth

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Length

SmallerMedianLarger

Your value –

Study average –

Percentile –

Girth

SmallerMedianLarger

Your value –

Study average –

Percentile –

Difference from study average · length–

Difference from study average · girth–