Paper gauge
Print a sizer
A wrap tape and hole gauge at true millimetres. Print at actual size, then check the card outline before you cut.
1. Check the print scale
Print at 100% — turn off “fit to page”. Lay a bank card on the outline. The short side must match.
Short side of a card
53.98 mm
53.98 mm
050 mm
2. Wrap tape
Cut along the outer edge. Wrap around the finger with the zero at the overlap. The mark that meets zero is the size.
44.555.566.577.588.599.51010.51111.51212.5130 mm · US
3. Ring holes
Place an existing ring over the circle that matches the inner edge.
US 4
US 4.5
US 5
US 5.5
US 6
US 6.5
US 7
US 7.5
US 8
US 8.5
US 9
US 9.5
US 10
US 10.5
US 11
US 11.5
US 12
US 12.5
US 13