Credit card (ID-1 size)
85.6 mm (3.37 in)
Width of an ID-1 card (its long side)
A standard bank card, the same size as most ID and loyalty cards. Width (the long side): 85.60 mm.
Published
How big is that?
85.6 mm is 29% of an A4 sheet.
Credit card is the 12th smallest of the 39 Classic objects, and the 12th smallest of the 109 objects across all three SizeItUp games.
Closest in size from the other games: Archaeopteryx (Prehistoric Giants), 50 cm long.
Size comparison
To scale, smallest to largest: Credit card in orange beside the Classic objects nearest in size, in teal.
| Object | Size | vs Credit card |
|---|---|---|
| Tennis ballA regulation ball for professional tennis. | 67 mm across | 78% of the size |
| BaseballAn official Major League Baseball ball, red stitches and all. | 73.8 mm across | 86% of the size |
| Credit card (ID-1 size) | 85.6 mm | – |
| Golf holeThe cup on a putting green, seen from above with the flagstick in the middle. | 10.8 cm across | 1.3× bigger |
| US dollar billA one-dollar note, measured along its long side. Every current US note is the same size. | 15.6 cm | 1.8× bigger |
In other units
| Millimetres | 85.6 |
|---|---|
| Centimetres | 8.56 |
| Metres | 0.0856 |
| Inches | 3.37 |
| Feet | 0.2808 |
How it's measured
Width of an ID-1 card (its long side). ISO/IEC 7810 nominal size.
Sources
- iso.org: ISO abstract of ISO/IEC 7810: ID-1 85,60 mm x 53,98 mm.
- cdn.standards.iteh.ai (supporting): Official preview of ISO/IEC 7810:2019, clause 3.5: ID-1 nominally 85,60 mm wide by 53,98 mm high.
Checked against the source on .
Could you have guessed it by eye?
Credit card is one of the objects in Classic, a daily size comparison game: you stretch a shape to the size you think is right beside one you know.