Terms of Service

Last updated: March 2025

Free Service

PupillaryDistanceMeasure.com provides a free pupillary distance estimation tool. The service is provided “as is” without warranty of any kind.

Not Medical Advice

The PD measurements provided by this tool are estimates based on AI facial analysis. They are not a substitute for professional optometric measurement. For high-power prescriptions, progressive lenses, or any medical eyewear, please obtain your PD from a licensed optician.

Accuracy Disclaimer

While we strive for accuracy, online PD measurement involves inherent variability based on photo quality, lighting, head angle, and camera characteristics. Results are estimates and may vary from professional measurements by ±1–3mm.

Use of Results

You use your PD measurement result at your own discretion. We are not responsible for the outcome of glasses ordered using measurements obtained from this tool.