Measure girth for condom by wrapping a flexible tape or string around the thickest part of the erect penis and noting the circumference.
To measure girth for condom sizing, wrap a flexible measuring tape or non-stretchy string around the thickest part of the erect penis. If using string, mark where it overlaps and measure against a ruler. Divide the circumference by 3.14 to get the diameter. Condom sizes typically range from 49mm to 60mm in nominal width, which corresponds to a circumference of about 154mm to 188mm.
Condom Size Chart by Girth Measurement
| Girth (inches) | Girth (mm) | Recommended Condom Width |
|---|---|---|
| 4.0 - 4.5 | 102 - 114 | 49mm - 51mm |
| 4.5 - 5.0 | 114 - 127 | 52mm - 53mm |
| 5.0 - 5.5 | 127 - 140 | 54mm - 56mm |
| 5.5 - 6.0 | 140 - 152 | 57mm - 60mm |
Step-by-Step Measurement Process
- Ensure penis is fully erect for accurate measurement
- Use a flexible measuring tape or non-stretchy string
- Wrap around the thickest part of the shaft
- Note the measurement at the point of overlap
- If using string, measure against a ruler
Common Measurement Mistakes to Avoid
- Measuring when not fully erect
- Pulling the tape too tight or leaving it too loose
- Measuring at the wrong point on the shaft
- Using stretchy materials that distort measurements
Factors Affecting Condom Fit
Length is less critical than girth since condoms can roll up or down. Material elasticity varies between brands. Lubrication type can affect fit and comfort. Some users may need to try multiple sizes to find the best fit.