Size charts Sep 21, 2026 4 min read
Eyeglasses Size Chart
Three measurements printed on every frame: lens width, bridge, temple. Match to your face dimensions.
The Chart
| Frame Size | Lens Width | Bridge | Temple | Total Frame Width |
|---|---|---|---|---|
| Small | 42-46mm | 16-18mm | 135-140mm | 120-128mm |
| Medium | 47-51mm | 18-20mm | 140-145mm | 129-135mm |
| Large | 52-56mm | 20-22mm | 145-150mm | 136-142mm |
| XL | 57-60mm | 22-24mm | 150-155mm | 143-148mm |
FAQs
What do the numbers on glasses mean?
52-18-140 = 52mm lens width, 18mm bridge, 140mm temple length. Always printed on inside of arm or bridge.
How do I know my size?
Measure your existing glasses or your face: temple-to-temple width = total frame width. Pick frame size that matches within ~5mm.
Need this on your store?
Tailor Size Guide ships pre-built size charts for Shopify.