what is the mm on a credit card
Credit card The size of most credit cards is 85.60 mm × 53.98 mm (​3 3⁄8 × ​2 1⁄8  inches) and rounded corners with a radius of 2.88–3.48 mm,[5] conforming to the ISO/IEC 7810 ID-1 standard, the same size as ATM cards and other payment cards, such as debit cards.[6]