40 inches in other forms
| Decimal inches | 40 in |
|---|---|
| Nearest 1/16 inch | 40 in |
| Nearest 1/64 inch | 40 in |
| Feet and inches | 3′ 4″ (3 ft 4 in) |
| Centimeters | 101.6 cm |
| Millimeters and meters | 1,016 mm · 1.016 m |
In words: 40 inches is 101.6 centimeters, or 3 feet 4 inches.
A 40-inch screen
Screen sizes are measured diagonally across the visible picture. For a 40-inch screen:
| Aspect ratio | Width | Height |
|---|---|---|
| 16:9 | 34.9 in (88.6 cm) | 19.6 in (49.8 cm) |
| 21:9 | 36.8 in (93.4 cm) | 15.8 in (40 cm) |
| 4:3 | 32 in (81.3 cm) | 24 in (61 cm) |
TVs use 16:9. The frame adds to the outer size, so check the maker's dimensions before buying a stand or cabinet.
Nearby values
| Inches | Centimeters | Feet and inches |
|---|---|---|
| 20 in | 50.8 cm | 1′ 8″ |
| 24 in | 60.96 cm | 2′ 0″ |
| 27 in | 68.58 cm | 2′ 3″ |
| 32 in | 81.28 cm | 2′ 8″ |
| 36 in | 91.44 cm | 3′ 0″ |
| 40 in | 101.6 cm | 3′ 4″ |
| 42 in | 106.68 cm | 3′ 6″ |
| 43 in | 109.22 cm | 3′ 7″ |
| 48 in | 121.92 cm | 4′ 0″ |
| 50 in | 127 cm | 4′ 2″ |
| 54 in | 137.16 cm | 4′ 6″ |
How it's calculated
Since 1959 the inch has been defined as exactly 2.54 centimeters, so the conversion itself is exact: 40 in × 2.54 = 101.6 cm. The fractions above are rounded to the nearest mark, and feet and inches split the total at 12 inches per foot.
For any other value, use the inches to cm converter.