1
Place objects on a flat surface
Put your o-ring next to a reference object (US coin recommended) on a plain, contrasting background.
2
Select your reference object
Choose the type of reference object you're using (quarter, nickel, penny, dime, or credit card).
3
Take a photo from directly above
Photograph straight down with even lighting. Make sure both objects are fully visible and in focus.
4
Upload and get results
Upload your photo and we'll measure the o-ring dimensions and suggest the closest AS568 standard size.
Tips for best results
- Use a plain background (white paper works great)
- Ensure even lighting without harsh shadows
- Keep the o-ring flat - don't stretch or compress it
- A US quarter is the most reliable reference object
Reference Object
Select the reference object in your photo
Drop your image here
or click to browse
Supports JPG, PNG, and HEIC (max 10MB)
Measurements are estimates based on image analysis. For critical applications, verify with physical measurement tools.