Measure pupillary distance (PD) in mm with a selfie and card to order glasses
100+ downloads
About PD Meter: Pupillary Distance
PD Meter: Pupillary Distance is a tools app developed by janey-moon.
Download Statistics
PD Meter: Pupillary Distance has been downloaded 240 times. In the last 30 days, the app was downloaded 100 times. It is ranked in the top 100 tools apps.
User Ratings
The app has no ratings yet.
App Information
PD Meter: Pupillary Distance is FREE to download. The APK download size is 58.42 MB. The latest version available is 1.0.13. The last update was on August 13, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play 4 days ago.
Description
Ordering glasses online and need your PD? PD Meter helps you measure your pupillary distance (PD) in millimeters using a front-camera selfie and any standard-size card, like a credit card, for scale — no ruler, no second person, no trip to the optician.
Your pupillary distance is the gap between the centers of your pupils. Online eyewear stores ask for it so your lenses are centered correctly in the frame. PD Meter gives you a quick, repeatable estimate from the comfort of your home.
HOW IT WORKS
• Hold a standard card (a credit card, ID or any ISO-size card) under your eyes — its known width gives the app a real-world scale. • Take a front-camera selfie, looking straight at the lens. • Mark the center of each pupil and the edges of the card. • PD Meter converts pixels to millimeters and shows your PD instantly.
WHAT YOU GET
• PD in millimeters, ready to enter at checkout. • Single (binocular) PD, the value most retailers request. • A clear, guided flow with on-screen tips for good lighting and head position. • Re-measure as many times as you like and average your results for confidence.
WHO IT'S FOR
Anyone buying prescription or blue-light glasses online, parents checking a child's fit, or anyone who simply wants their PD on hand without booking an appointment.
A NOTE ON ACCURACY
PD Meter provides an estimate based on your photo and the card scale. Results depend on lighting, camera angle and how precisely you place the markers. For high prescriptions or progressive lenses, confirm your PD with an optician. This app is not a medical device.
Recent changes: Accuracy fixes from your reports.
• Results read slightly low: the reference card sits closer to the camera than your eyes, and the scale now accounts for that. • Fine-tuning a marker moves it at a third of finger speed, so repeat measurements agree much more closely. • Each result now shows its accuracy range.
Please re-measure — older results use the old calculation and are left out of your average.
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