A 12.5-inch laptop measures 10.9 inches wide and 6.1 inches high (27.7 × 15.6 cm) of actual screen area, based on a 16:9 aspect ratio. The 12.5-inch figure is the diagonal, not the width.
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Screen measurements calculated from the 12.5-inch diagonal at a 16:9 aspect ratio.
| Measurement | Imperial | Metric |
|---|---|---|
| Diagonal (screen size) | 12.5 in | 31.8 cm |
| Screen width | 10.9 in | 27.7 cm |
| Screen height | 6.1 in | 15.6 cm |
| Aspect ratio | 16:9 | 1.78:1 |
| Screen area | 66.8 sq in | 430.7 cm² |
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| Resolution | Pixels | Pixel Density |
|---|---|---|
| 1080p FHD | 1920 × 1080 | 176 PPI |
| 1440p QHD | 2560 × 1440 | 235 PPI |
| 4K UHD | 3840 × 2160 | 352 PPI |
Screen dimensions are exact. Chassis and bag figures are typical ranges — always check the manufacturer's spec sheet for a specific model.
| Check | Typical figure | Notes |
|---|---|---|
| Screen area (exact) | 10.9 × 6.1 in | Calculated from the 12.5 in diagonal at 16:9 |
| Chassis width (typical) | 11.4–12.3 in | Depends on bezel thickness; 2023+ designs sit at the lower end |
| Chassis depth (typical) | 7.3–8.5 in | Includes the hinge area and palm rest |
| Minimum sleeve size | 12.8 × 9 in | Allow half an inch of padding clearance |
| Backpack laptop compartment | 12.5 in rated or larger | Bags are rated by the screen size they accept |
| Minimum desk depth | 24 in | Comfortable typing plus screen distance |
| Carry-on friendly | Yes — fits most personal-item bags | See our carry-on size guide |
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Matching a bag? Our laptop bag size guide maps screen sizes to sleeve and briefcase dimensions, and the backpack size guide covers compartment ratings.
| Size | Screen (W × H) | Area | vs 12.5 in |
|---|---|---|---|
| 11.6 in | 10.1 × 5.7 in | 57.5 sq in | -14% screen area |
| 12.5 in (this size) | 10.9 × 6.1 in | 66.8 sq in | — |
| 13.3 in | 11.6 × 6.5 in | 75.6 sq in | +13% screen area |
Because screen area scales with the square of the diagonal, a small step up in inches is a larger jump in picture size than the numbers suggest.
The screen measures 10.9 × 6.1 inches (27.7 × 15.6 cm). The full chassis is typically 11.4–12.3 inches wide and 7.3–8.5 inches deep, depending on bezel size.
10.9 inches (27.7 cm) at a 16:9 aspect ratio. The 12.5-inch figure refers to the diagonal, not the width.
A sleeve of at least 12.8 × 9 inches, or any bag rated for 12.5-inch laptops. Bag ratings refer to the screen size the compartment accepts.
Yes — at this size it fits most personal-item bags and works on an economy tray table.
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