AA battery vs Light bulb: size comparison
AA battery: 5.05 cm. Light bulb: 11 cm. Both silhouettes are drawn at the same scale.
Size ratio: ×2.2
AA battery
5.05 cm
What is measured Height of an AA battery (LR6)
The AA format has been standardised since 1947.
Source : Wikipedia — AA battery
Light bulb
11 cm
What is measured Height of an A60-shaped light bulb
The "60" in A60 is its diameter: 60 mm.
Source : Wikipedia — Incandescent light bulb