MacBook Air 15" (M3) Dimensions

The MacBook Air 15" (M3) measures 340.4 mm wide by 237.6 mm tall, with a thickness of 11.5 mm. It weighs 1260 grams, which gives it a solid but manageable feel in hand. The device features a 15.3-inch display, which combined with its 340.4 mm body width determines how it feels during one-handed use. Placed next to a standard credit card (85.6 mm x 54.0 mm), the MacBook Air 15" (M3) is noticeably taller.

Compared to a standard passport book (88.0 mm x 125.0 mm), the MacBook Air 15" (M3) is wider, making it slightly too wide for a standard passport holder.

At 1260 grams, the MacBook Air 15" (M3) is on the heavier side. This weight gives it a reassuring, solid feel that communicates build quality, though you may notice the heft during extended one-handed sessions or when carrying it in lighter clothing.