Measure your finger using an everyday object.

What will you use?

Random Credit Card

Credit Card

53.98 x 85.60mm

Quarter Coin

U.S. Quarter

24.26mm

Usb Type A

Usb Type A

12.00 x 12.00mm

Battery Type AAA

Battery AAA

10.50 x 44.5mm

Business Card

Business Card

55.00 x 85.00mm

made by THEFUTUREOFJEWELRY

Credit Card

Next

What will you use?

Random Credit Card

Credit Card

53.98 x 85.60mm

Quarter Coin

U.S. Quarter

24.26mm

Usb Type A

Usb Type A

12.00 x 12.00mm

Battery Type AAA

Battery AAA

10.50 x 44.5mm

Use the - and + button to fit your Credit Card in the box.

Credit Card Sample

Quarter Coin Template

Usb Type A Template

Battery aaa Template

Business Card Template

Back

Change unit

Drag the pulsing circle to fit your Finger in the caliper.

Your size is

14.00 mm

Apply size to TFOJ

made by THEFUTUREOFJEWELRY