PD (Pupillary Distance) Measurement Tool
Measure your PD at home in 30 seconds — no ruler needed.
Your PD is essential for ordering prescription glasses. We save it locally on your device.
Method: Standard Card Comparison
Select card:
Left pupil — Left card edge 0 mm
Align the card under your eyes, read where your pupils fall, then adjust the slider to match.
Final PD: 62 mm
Or Enter Your PD Manually
From your optometrist: mm