Eyewear Size Converter
Understand and calculate glasses frame measurements for a perfect fit.
Frame Specification Calculator
Look for these three numbers (e.g., 52 □ 18 140) usually printed on the inside of the left temple arm or bridge.
What do the numbers mean?
- • **Eye Size:** Width of one lens (usually 40 - 62mm).
- • **Bridge Width:** Distance between the lenses (usually 14 - 24mm).
- • **Temple Length:** Length of the arms (usually 120 - 150mm).
Sizing Secret
Your **pupillary distance (PD)** is also crucial for optical clarity, but frame size is strictly about how the glasses sit on your face.
Eyewear Measurement Converter
Calculate and understand glasses frame measurements: eye size, bridge width, and temple length.
Check Frame
Look for three numbers on the inside of the temple (e.g., 52-18-140).
Input Details
Enter these to understand the total frame width.
Frequently Asked Questions
The bridge width, which is the distance between the two lenses (usually 16-21mm).
Related Tools
View allShoe Size Converter
Convert between US, UK, EU, and CM shoe sizes for men, women, and kids.
Ring Size Converter
Convert ring sizes between US, UK, EU, and Japanese standards.
Bra Size Converter
Convert bra sizes between US, UK, EU, and AU systems.
Dress Size Converter
Convert women's dress sizes across US, UK, EU, and AU regions.
Hat Size Converter
Convert hat sizes between Inches, Centimeters, and Alpha scales.
Glove Size Converter
Determine glove size from hand measurements.
Last updated on