How to Measure Girth: Circumference to Diameter Conversion

Girth is measured as circumference (around) but toys are usually listed by diameter (width). This guide explains the conversion and measurement.

Circumference vs Diameter: The Difference

Circumference: The distance around (like measuring around a pencil with string). Feels bigger, familiar for body measurement.

Diameter: The width across (like measuring the width of a pencil with a ruler). How toys are usually listed.

Why it matters: If you measure yourself in circumference, you need to convert to diameter to match toy specs.

The Formula

Diameter = Circumference ÷ 3.14159 (π)

Example: If your circumference is 5 inches, diameter is 5 ÷ 3.14159 = 1.59 inches.

How to Measure Your Girth

Option 1: String method (circumference)

1. Wrap flexible measuring tape or string around (midway, not tip)
2. Note the measurement
3. Convert to diameter using formula above

Option 2: Calipers (diameter)

1. Use calipers or measuring tool across the widest point
2. Direct diameter measurement, no conversion needed
3. Most accurate if you have proper tools

Quick Reference Table

| Circumference (cm) | Circumference (in) | Diameter (cm) | Diameter (in) | |---|---|---|---| | 8 | 3.15 | 2.55 | 1.0 | | 10 | 3.94 | 3.18 | 1.25 | | 12 | 4.72 | 3.82 | 1.5 | | 14 | 5.51 | 4.46 | 1.75 |

Using Measured Pleasure's Filter

Once you have your diameter, use the diameter filter at /products?category=dildo to find toys in your size range.