Overview
20x3 • 7.9" × 1.2"
20x3
7.9 inch length • 1.2 inch diameter
Penis Category:
above average
Cock L/D ratio: 6.67
Cock Volume: ~141 mL
Cock Cross-section: 7.07 cm²
Relative scales
Length (vs. 10–22 cm typical)
Diameter (vs. 4.0–7.5 cm typical)
Girth (vs. 11.5–23 cm typical)
Core metrics
Length
20 cm
7.9 inch
Category: medium
Real-world examples
• Banana ≈ 18–20 cm (7"–8")• Ruler (¾) ≈ 22.5 cm (longer)
• Tablet stylus ≈ 17–19 cm
• Desk thermometer ≈ 18–20 cm
Diameter
3 cm
1.2 inch
Category: slim
Real-world examples
• Highlighter ≈ 2.5–3.0 cm Ø• Door knob stem ≈ 3.0–3.5 cm Ø
Circumference (≈ π × diameter)
9.4 cm
3.7 inch
Fit-critical value for sleeves & rings.
Surface & volume
Penis Surface index
~188 cm²
Penis Volume (cylinder)
~141 mL
Penis Mass (≈ water)
~141 g
Condom sizing guide
Recommended nominal width
47 mm
XS / Tight
Closest catalog size: 47 mm (spot on)
Also try (± stretch)
45 mm
46 mm
48 mm
49 mm
Stretch window (comfort)
• Target girth: 9.4 cm
• Comfortable range (≈ −8% … +8%): 8.6–10.2 cm
• As nominal width: 43–51 mm
• Comfortable range (≈ −8% … +8%): 8.6–10.2 cm
• As nominal width: 43–51 mm
Materials and brands vary — if in between, start with the closest and adjust.
Condom length tip
Consider longer sleeves (≈ 195–200 mm). Width map (45–72 mm)
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
Highlighted: need (computed) and best (closest available).
At a glance
Profile
• L/D ratio: 6.67
• Status: above average
• Inch readout: 7.9" × 1.2"
• Status: above average
• Inch readout: 7.9" × 1.2"
Handy links
Fun fact
Animal comparison
Target length: 20 cm (≈ 7.9" )
🦔 Hedgehog (juvenile)
Body ~20–30 cm
🦔 Hedgehog (juvenile)
Body ~20–30 cm