2560x1440 aspect ratio: 16:9 (1.778:1)
2560 × 1440 reduces to 16:9. The greatest common divisor of 2560 and 1440 is 160, so 2560 ÷ 160 = 16 and 1440 ÷ 160 = 9. That is exactly 16:9.
Published · Updated · Sources last verified
At a glance
16:9
2560 × 1440 is exactly 16:9.
- Decimal
- 1.778:1
- Nearest named ratio
- 16:9, exact
- Orientation
- Landscape
- Pixels
- 3,686,400
- Megapixels
- 3.69
- Greatest common divisor
- 160
How 2560 × 1440 reduces
- 2560 = 1 × 1440 + 1120
- 1440 = 1 × 1120 + 320
- 1120 = 3 × 320 + 160
- 320 = 2 × 160 + 0
The last divisor, 160, is the greatest common divisor, so 2560 × 1440 reduces to 16:9. The method by hand is on the calculator page.
Crop or pad 2560 × 1440 to common ratios
Whole-pixel downscales
| Divide by | Size | Whole pixels | Nearest whole size |
|---|---|---|---|
| ÷2 | 1280 × 720 | yes | same |
| ÷3 | 853.33 × 480 | no | 853 × 480, 0.039% off 16:9 |
| ÷4 | 640 × 360 | yes | same |
| ÷5 | 512 × 288 | yes | same |
| ÷6 | 426.67 × 240 | no | 427 × 240, 0.078% off 16:9 |
| ÷8 | 320 × 180 | yes | same |
| ÷10 | 256 × 144 | yes | same |
Other listed sizes at 16:9
| Size | Scale from 2560 × 1440 | Whole-number scale | Pixel count |
|---|---|---|---|
| 1280 × 720 | 0.5 | yes, ÷2 | 0.25× |
| 1920 × 1080 | 0.75 | no | 0.563× |
| 2560 × 1440this page's size | 1 | - | 1× |
| 3840 × 2160 | 1.5 | no | 2.25× |
Facts about 2560 × 1440
- 2560 × 1440 is exactly 16:9: 160 × 16 by 160 × 9.
- 2560 × 1440 divides into whole pixels by 2, 4, 5, 8 and 10; ÷3 gives 853.33 × 480, which is not whole pixels.
- Among the other listed 16:9 sizes, it is a whole-number multiple of 1280 × 720 (×2); 1920 × 1080 (×0.75) and 3840 × 2160 (×1.5) are not whole-number scales of it.
- Turned on its side, 2560 × 1440 becomes 1440 × 2560 (9:16).
- Cropped to 9:16, 2560 × 1440 keeps 31.6% (810 × 1440); cropped to 1:1 it keeps 56.3% (1440 × 1440).
- 2560 × 1440 is 3,686,400 pixels (3.69 MP), 1.78 times the pixel count of 1920 × 1080.
Sourced notes
YouTube's channel banner guidance uses 2560 × 1440, with a minimum of 2048 × 1152.
Source: YouTube Help: channel banner image guidance. Last verified 2026-10-05.
This size is one of the resolutions in YouTube's recommended 16:9 upload list.
Source: YouTube Help: recommended upload resolutions and aspect ratios. Last verified 2026-10-05.
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Aspect ratio 16:9 (1.778:1). Exact match for 16:9.
Aspect ratio
16:9
1.778:1
Exact match for 16:9.
- Width ÷ height
- 1.7778
- Height ÷ width
- 0.5625
- Shape
- landscape
Your numbers, worked
gcd(2560, 1440) = 160
2560 ÷ 160 = 16
1440 ÷ 160 = 9
2560 ÷ 1440 = 1.7778
Show how the gcd was found
- 2560 = 1 × 1440 + 1120
- 1440 = 1 × 1120 + 320
- 1120 = 3 × 320 + 160
- 320 = 2 × 160 + 0
Divide the larger side by the smaller, then divide the last divisor by the remainder until the remainder is 0. The last divisor is the gcd.
What each ratio would cut from 2560 × 1440
The largest centred crop at each ratio, best fit first. Crop rather than stretch.
| Ratio | Fit | Crop to | Lost |
|---|---|---|---|
| 16:9 | Exact | 2560 × 1440 | 0% |
| 1.91:1 | Trim height | 2560 × 1340 | 6.94% |
| 16:10 | Trim width | 2304 × 1440 | 10% |
| 2:1 | Trim height | 2560 × 1280 | 11.1% |
| 3:2 | Trim width | 2160 × 1440 | 15.6% |
| 21:9 | Trim height | 2560 × 1097 | 23.8% |
| 4:3 | Trim width | 1920 × 1440 | 25% |
| 5:4 | Trim width | 1800 × 1440 | 29.7% |
| 1:1 | Trim width | 1440 × 1440 | 43.8% |
| 32:9 | Trim height | 2560 × 720 | 50% |
| 4:5 | Trim width | 1152 × 1440 | 55% |
| 3:4 | Trim width | 1080 × 1440 | 57.8% |
| 2:3 | Trim width | 960 × 1440 | 62.5% |
| 9:16 | Trim width | 810 × 1440 | 68.4% |
Solve the missing side
Pick a ratio, then enter the side you know.
Height is 1440. Size 2560 by 1440 pixels.
Size at 16:9
2560 × 1440
Height solved, in pixels.
Your numbers, worked
H = W × 9 ÷ 16 = 2560 × 9 ÷ 16 = 1440
Whole number, so no rounding is needed.
Pixel-exact: a 16:9 size needs the width to be a multiple of 16, and 2560 is 160 × 16.
Questions
What aspect ratio is 2560x1440?
2560 × 1440 is 16:9 (1.778:1). Dividing both sides by their greatest common divisor, 160, gives 16 and 9. That is exactly 16:9.
How do I resize 2560x1440 without distortion?
Keep the ratio at 16:9: new height = new width × 9 ÷ 16. Dividing both sides by 2, 4, 5, 8 or 10 keeps whole pixels, for example 256 × 144 at ÷10.
What is 2560x1440 cropped to 9:16?
A centered 9:16 crop of 2560 × 1440 is 810 × 1440, which keeps 31.6% of the image. Padding it to 9:16 instead gives a 2560 × 4551 canvas with 3,111 px of bars. That canvas is rounded, not exactly 9:16: the exact padded side would be 4551.11 px tall. The smallest exact 9:16 canvas around it is 2565 × 4560.
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Apart from the sourced notes above, which devices use this size, and marketing names for it, are not covered: we did not verify a primary source for them, so this page sticks to arithmetic.