Pupillary Distance (PD) Calculator

Measure your PD (Pupillary Distance) yourself using a selfie + credit card as reference. Accuracy ±1-2mm for ordering glasses online. 100% client-side, photos never uploaded.

Correct Pose

AI will automatically measure PD from your iris (no card needed)

1.Face directly at camera
2.Eyes open normally, pupils clearly visible
3.Head upright (no down/up/side tilt)
4.Sufficient lighting (near window / lamp)
5.No glasses / colored contact lenses

Choose how to capture photo

Method: AI measures iris diameter (biological 11.71mm) → auto-computes PD. No reference card needed.

Photo processed directly in your browser. Not uploaded to server, not stored.

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