Coca-Cola Can vs AA Battery: taller by how much?
A Coca-Cola can measures 11.5 cm (4.53 in) from the ground up, and an AA battery measures 5.05 cm (1.99 in) from the ground up. An AA battery would have to grow by 128% to match a Coca-Cola can, which is 2.28 times its height. Take 2 AA batteries stacked up and you reach 10.1 cm (3.98 in), still 1.4 cm (0.6 in) short of a Coca-Cola can; one more would overshoot by 3.65 cm (1.44 in). A Coca-Cola can is written in tens of centimetres and an AA battery in single centimetres, a whole band of scale apart.
| Object | Real size | Axis measured | What the figure covers |
|---|---|---|---|
| Coca-Cola Can | 11.5 cm 4.53 in |
Height | 330 ml |
| AA Battery | 5.05 cm 1.99 in |
Height | IEC R6 |
Both figures, Coca-Cola Can and AA Battery, come from the Size It Up measurement set, one real-world size and one measured axis per object, last checked in September 2026; outline provenance is listed on the sources page.
Why this one is hard to judge by eye
A Coca-Cola can is drawn about 4.55 times as wide as an AA battery as well as 2.28 times its height, so the area it takes in the frame grows faster than the figure anyone quotes. Both shapes fit in a single glance here, which ought to make 2.28 to one obvious between a Coca-Cola can and an AA battery, and it is not: at this size the eye compares whole outlines while the figures above compare one axis.
What each figure covers
Coca-Cola Can. The 330 ml can is a packaging standard rather than a design choice. Its height is fixed so that filling lines and vending slots stay interchangeable worldwide.
AA Battery. The 50.5 mm covers the cell and its contacts. Battery compartments are built a millimetre or two longer, so a slightly loose fit is normal rather than a fault.
A Coca-Cola can and an AA battery are both quoted as a height, which is what makes the ratio above a like-for-like figure.
What else is about that size?
Measured the same way, Coca-Cola Can at 11.5 cm sits within a quarter of SpongeBob SquarePants at 10.2 cm, Venus Flytrap at 13 cm and Apple at 9 cm. AA Battery at 5.05 cm has Medium Chicken Egg at 5.5 cm, Tennis Ball at 6.7 cm and Irukandji Jellyfish at 3.2 cm for company, within two fifths. Swapping any of those in for a Coca-Cola can would move its ratio to an AA battery by less than 25%.