Find Your
Perfect Size
Choose your method below. Our interactive tools will guide you to the exact size β no guessing, no returns!
Find Your Perfect Size
Revolutionary measurement technology for the perfect fit, every time
Finger Drag
Draw your finger width on screen
Most PopularAI Camera
Instant measurement with your camera
Powered by AIObject Compare
Use a coin or card to measure
Most AccurateDrag Across Your Finger Width
Place your finger flat on the screen and drag from edge to edge
Drag horizontally across your ring finger
AI-Powered Measurement
Hold your hand up to the camera with a coin for reference
Place a US quarter next to your finger
What do you have handy?
Select a reference object you can use for measurement
Calibrate Your Screen
Place your quarter on the outline below and adjust the slider until it matches perfectly
Place your quarter here
Find Your Ring Size
Adjust the ring until it matches your finger width
Free Ring Sizer
Download our printable ring sizer for the most accurate measurement at home
3 Tinkers Pink INSTASIZER
Download and print our easy-to-use ring sizer at home!
After printing, measure a credit card (85.6mm width) to ensure the scale is accurate. If it doesn't match, adjust your printer settings.