Contact Us
Questions, bug reports and feedback on measurement accuracy are all welcome. Email is the only channel we run, and it reaches us directly.
Email us
ringsize01@gmail.comWe read every message. PerfectRingSize is a small independent project rather than a support desk, so replies usually take a few business days.
What to get in touch about
An inaccurate measurement
The most useful message you can send us. Tell us which method you used, the size the tool gave you, and the size that actually fits — that is exactly what we need to improve the calibration.
Email about this →A bug or broken page
Include your device, browser and what happened. Camera issues in particular vary a lot between phones, so the more specific you can be, the faster it gets fixed.
Email about this →A privacy question or request
We store no personal data on our servers, so there is usually nothing to export or delete. If you have a question about how the tool handles data, ask and we will answer it directly.
Email about this →Business and partnerships
Jewellers, retailers and anyone wanting to use or embed the sizing tools — tell us what you have in mind.
Email about this →Before you write
Most sizing questions are already answered in the ring size guide — including what to do when you fall between two sizes, how band width changes the fit, and whether ring size adjusters work. If you are unsure how to take a measurement in the first place, start with how to measure ring size at home.