The standard size of an ATM card is 85.60 mm × 53.98 mm (3.370 in × 2.125 in). This is the same size as most credit cards, debit cards, and other payment cards, as defined by the ISO/IEC 7810#ID-1 standard.
Detailed Dimensions
Here's a breakdown of the dimensions:
- Length: 85.60 mm (3.370 inches)
- Width: 53.98 mm (2.125 inches)
- Corner Radius: The corners are rounded with a radius of 2.88–3.48 mm.
Why is this important?
This standardized size ensures compatibility with ATM card readers and other point-of-sale devices worldwide. This uniformity allows cards to be easily processed and used in a wide variety of machines and devices.
