15.6 Inch Laptop Size
39.6 cm diagonal ยท 34.5 ร 19.4 cm
Diagonal
39.6 cm
15.6 inch
Width
34.5 cm
16:9
Height
19.4 cm
16:9
Screen area
0.07 mยฒ
excluding bezel
16:9 aspect ratio, screen area only (bezel excluded)
Size compared with A4 paper
Aspect ratio comparison
| Ratio | Width (cm) | Height (cm) | Notes |
|---|---|---|---|
| 16:9 | 34.5 | 19.4 | most common at 15.6″ |
| 16:10 | 33.6 | 21.0 | some models |
Two laptops of the same 15.6-inch diagonal can differ in width and height when their aspect ratios differ. A 16:10 panel is taller, which suits document work.
Chassis and bag size
Chassis width
~36.0 cm
including bezel
Chassis depth
~23.4 cm
lid closed
Bag interior
38.0 ร 25.4 cm+
with clearance
Chassis and bag figures are estimates based on typical bezel allowances. Actual products vary by 1–3 cm, so check the manufacturer spec before buying.
Compared with other sizes (16:9)
15.6 inch laptop dimensions
A 15.6 inch laptop has a screen diagonal of 39.6 cm (15.6 ร 2.54). At a 16:9 aspect ratio the panel measures 34.5 cm wide by 19.4 cm tall. Screen sizes are always quoted as the diagonal, never the width.
This size is the most widely used mainstream laptop size. When choosing a sleeve or bag, measure against the chassis rather than the screen: look for an interior of at least 38.0 ร 25.4 cm.
FAQ
How many cm is a 15.6 inch laptop?
The screen measures 39.6 cm diagonally, since one inch is 2.54 cm. At 16:9 that works out to 34.5 cm wide and 19.4 cm tall.
Is the inch measurement the width?
No. For laptops, monitors and TVs the inch figure is always the diagonal. A 15.6 inch screen is only 34.5 cm wide.
What bag size fits a 15.6 inch laptop?
The chassis is roughly 36.0 ร 23.4 cm, so an interior of 38.0 ร 25.4 cm or larger works well. Allow extra room for thicker gaming laptops.
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