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Printable Ruler

Free Printable Ruler for Glasses Sizing (Inches)

Print at 100% (Actual Size) on Letter (8.5″ × 11″). Verify with the credit-card box or the 2″ square, then cut along the dashed line.

⬇️ Download the Printable Ruler (PDF)    

How to Print

  1. Open the PDF and choose Print.
  2. Select Actual Size (100%) — turn off “Fit” / “Scale”.
  3. Paper: Letter 8.5″ × 11″, Landscape if prompted.
  4. Verify accuracy with the credit-card box or the 2″ square.
  5. Cut along the dashed line to create your ruler.

Measure for Fit

Face (temple-to-temple) ≈ frame fit (hinge-to-hinge).

Readers: measure hinge-to-hinge on your current pair and compare while shopping.

Frame Width Guide (inches)

  • Very Narrow: 4 ⅞″ and under
  • Narrow: 4 ⅞″–5 ⅛″
  • Average: 5 ⅛″–5 ⅜″
  • Wide: 5 ⅜″–5 ½″
  • Very Wide: 5 ½″ and over

Need magnification help? See our Strength Guide and shop High-Magnification Readers.

Printable ruler with inches and millimeters, credit-card calibration box, dashed cut line, and measuring tips