1280x960 aspect ratio: 4:3 (1.333:1)
1280 × 960 reduces to 4:3. The greatest common divisor of 1280 and 960 is 320, so 1280 ÷ 320 = 4 and 960 ÷ 320 = 3. That is exactly 4:3.
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At a glance
4:3
1280 × 960 is exactly 4:3.
- Decimal
- 1.333:1
- Nearest named ratio
- 4:3, exact
- Orientation
- Landscape
- Pixels
- 1,228,800
- Megapixels
- 1.23
- Greatest common divisor
- 320
How 1280 × 960 reduces
- 1280 = 1 × 960 + 320
- 960 = 3 × 320 + 0
The last divisor, 320, is the greatest common divisor, so 1280 × 960 reduces to 4:3. The method by hand is on the calculator page.
Crop or pad 1280 × 960 to common ratios
Whole-pixel downscales
| Divide by | Size | Whole pixels | Nearest whole size |
|---|---|---|---|
| ÷2 | 640 × 480 | yes | same |
| ÷3 | 426.67 × 320 | no | 427 × 320, 0.078% off 4:3 |
| ÷4 | 320 × 240 | yes | same |
| ÷5 | 256 × 192 | yes | same |
| ÷6 | 213.33 × 160 | no | 213 × 160, 0.16% off 4:3 |
| ÷8 | 160 × 120 | yes | same |
| ÷10 | 128 × 96 | yes | same |
Other listed sizes at 4:3
| Size | Scale from 1280 × 960 | Whole-number scale | Pixel count |
|---|---|---|---|
| 640 × 480 | 0.5 | yes, ÷2 | 0.25× |
| 1024 × 768 | 0.8 | no | 0.64× |
| 1280 × 960this page's size | 1 | - | 1× |
| 1440 × 1080 | 1.125 | no | 1.266× |
| 1920 × 1440 | 1.5 | no | 2.25× |
Facts about 1280 × 960
- 1280 × 960 is exactly 4:3: 320 × 4 by 320 × 3.
- 1280 × 960 divides into whole pixels by 2, 4, 5, 8 and 10; ÷3 gives 426.67 × 320, which is not whole pixels.
- Among the other listed 4:3 sizes, it is a whole-number multiple of 640 × 480 (×2); 1440 × 1080 (×1.125), 1024 × 768 (×0.8) and 1920 × 1440 (×1.5) are not whole-number scales of it.
- Turned on its side, 1280 × 960 becomes 960 × 1280 (3:4).
- Cropped to 9:16, 1280 × 960 keeps 42.2% (540 × 960); cropped to 16:9 it keeps 75% (1280 × 720).
- 1280 × 960 is 1,228,800 pixels (1.23 MP), 0.59 times the pixel count of 1920 × 1080.
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Aspect ratio 4:3 (1.333:1). Exact match for 4:3.
Aspect ratio
4:3
1.333:1
Exact match for 4:3.
- Width ÷ height
- 1.3333
- Height ÷ width
- 0.75
- Shape
- landscape
Your numbers, worked
gcd(1280, 960) = 320
1280 ÷ 320 = 4
960 ÷ 320 = 3
1280 ÷ 960 = 1.3333
Show how the gcd was found
- 1280 = 1 × 960 + 320
- 960 = 3 × 320 + 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 1280 × 960
The largest centred crop at each ratio, best fit first. Crop rather than stretch.
| Ratio | Fit | Crop to | Lost |
|---|---|---|---|
| 4:3 | Exact | 1280 × 960 | 0% |
| 5:4 | Trim width | 1200 × 960 | 6.25% |
| 3:2 | Trim height | 1280 × 853 | 11.1% |
| 16:10 | Trim height | 1280 × 800 | 16.7% |
| 1:1 | Trim width | 960 × 960 | 25% |
| 16:9 | Trim height | 1280 × 720 | 25% |
| 1.91:1 | Trim height | 1280 × 670 | 30.2% |
| 2:1 | Trim height | 1280 × 640 | 33.3% |
| 4:5 | Trim width | 768 × 960 | 40% |
| 21:9 | Trim height | 1280 × 549 | 42.8% |
| 3:4 | Trim width | 720 × 960 | 43.8% |
| 2:3 | Trim width | 640 × 960 | 50% |
| 9:16 | Trim width | 540 × 960 | 57.8% |
| 32:9 | Trim height | 1280 × 360 | 62.5% |
Solve the missing side
Pick a ratio, then enter the side you know.
Height is 960. Size 1280 by 960 pixels.
Size at 4:3
1280 × 960
Height solved, in pixels.
Your numbers, worked
H = W × 3 ÷ 4 = 1280 × 3 ÷ 4 = 960
Whole number, so no rounding is needed.
Pixel-exact: a 4:3 size needs the width to be a multiple of 4, and 1280 is 320 × 4.
Questions
What aspect ratio is 1280x960?
1280 × 960 is 4:3 (1.333:1). Dividing both sides by their greatest common divisor, 320, gives 4 and 3. That is exactly 4:3.
How do I resize 1280x960 without distortion?
Keep the ratio at 4:3: new height = new width × 3 ÷ 4. Dividing both sides by 2, 4, 5, 8 or 10 keeps whole pixels, for example 128 × 96 at ÷10.
What is 1280x960 cropped to 9:16?
A centered 9:16 crop of 1280 × 960 is 540 × 960, which keeps 42.2% of the image. Padding it to 9:16 instead gives a 1280 × 2276 canvas with 1,316 px of bars. That canvas is rounded, not exactly 9:16: the exact padded side would be 2275.56 px tall. The smallest exact 9:16 canvas around it is 1287 × 2288.
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