Overview
30x4 • 11.8" × 1.6"
30x4
11.8 inch length • 1.6 inch diameter
Penis Category:
large
Cock L/D ratio: 7.5
Cock Volume: ~377 mL
Cock Cross-section: 12.57 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
30 cm
11.8 inch
Category: long
Real-world examples
• A4 long edge ≈ 29.7 cm (11.7")• Keyboard height ≈ 28–30 cm
• Two rulers (15 cm) back-to-back ≈ 30 cm
• Rack mount ear spacing (half width) ≈ ~29 cm
Diameter
4 cm
1.6 inch
Category: slim
Real-world examples
• Chicken egg width ≈ 4.2–4.5 cm Ø• Small jar lid ≈ 4–5 cm Ø
Circumference (≈ π × diameter)
12.6 cm
4.96 inch
Fit-critical value for sleeves & rings.
Surface & volume
Penis Surface index
~377 cm²
Penis Volume (cylinder)
~377 mL
Penis Mass (≈ water)
~377 g
Condom sizing guide
Recommended nominal width
63 mm
XL
Closest catalog size: 63 mm (spot on)
Also try (± stretch)
61 mm
62 mm
64 mm
65 mm
Stretch window (comfort)
• Target girth: 12.6 cm
• Comfortable range (≈ −8% … +8%): 11.6–13.6 cm
• As nominal width: 58–68 mm
• Comfortable range (≈ −8% … +8%): 11.6–13.6 cm
• As nominal width: 58–68 mm
Materials and brands vary — if in between, start with the closest and adjust.
Condom length tip
XXL length recommended (≥ 210 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: 7.5
• Status: large
• Inch readout: 11.8" × 1.6"
• Status: large
• Inch readout: 11.8" × 1.6"
Handy links
Fun fact
Animal comparison
Target length: 30 cm (≈ 11.8" )
🦦 Ferret (kit, curled)
Body segment ~28–32 cm
🦦 Ferret (kit, curled)
Body segment ~28–32 cm