3:2 aspect ratio (1.5:1): resolutions and sizes
3:2 means 3 units wide for every 2 tall, so width ÷ height = 1.5 and the height is 66.7% of the width. Exact 3:2 sizes are whole multiples of 3 × 2, such as 1620 × 1080 (540 × 3 by 540 × 2).
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At a glance
3:2
3:2 is 1.5:1.
- Decimal
- 1.5:1
- Height as share of width
- 66.7%
- Exact sizes
- width a multiple of 3, height the same multiple of 2
3:2 widths at common heights
| Height | Width at 3:2 | Whole pixels | Size page |
|---|---|---|---|
| 360 | 540 | yes | - |
| 480 | 720 | yes | - |
| 720 | 1080 | yes | - |
| 768 | 1152 | yes | - |
| 900 | 1350 | yes | - |
| 1080example size | 1620 | yes | - |
| 1200 | 1800 | yes | - |
| 1440 | 2160 | yes | - |
| 1600 | 2400 | yes | - |
| 2160 | 3240 | yes | - |
Crop common sizes to 3:2
| Size | Centered 3:2 crop | Share kept | Exact |
|---|---|---|---|
| 1920 × 1080 | 1620 × 1080 | 84.4% | yes |
| 3440 × 1440 | 2160 × 1440 | 62.8% | yes |
| 1080 × 1920 | 1080 × 720 | 37.5% | yes |
| 2560 × 1440 | 2160 × 1440 | 84.4% | yes |
| 1280 × 720 | 1080 × 720 | 84.4% | yes |
| 3840 × 2160 | 3240 × 2160 | 84.4% | yes |
| 1080 × 1350 | 1080 × 720 | 53.3% | yes |
| 1920 × 1200 | 1800 × 1200 | 93.8% | yes |
3:2 against other ratios
| Other ratio | Decimal | Share kept or filled | Cropping 3:2 cuts | Padding adds bars |
|---|---|---|---|---|
| 16:9 | 1.778:1 | 84.4% | top and bottom | left and right |
| 9:16 | 1:1.778 | 37.5% | the sides | top and bottom |
| 4:5 | 1:1.25 | 53.3% | the sides | top and bottom |
| 1:1 | 1:1 | 66.7% | the sides | top and bottom |
| 4:3 | 1.333:1 | 88.9% | the sides | top and bottom |
| 1.91:1 | 1.91:1 | 78.5% | top and bottom | left and right |
Facts about 3:2
- The smallest whole-pixel 3:2 size is 3 × 2; 10 of the 10 common heights in the table give a whole-pixel width.
- Turned on its side, a 3:2 frame becomes 2:3: 1620 × 1080 becomes 1080 × 1620.
- Cropping 3:2 to 9:16 keeps the least of the common ratios, 37.5%; cropping to 4:3 keeps the most, 88.9%.
- Of the listed sizes in the crop table, 1920 × 1200 keeps the most when cropped to 3:2 (93.8%) and 1080 × 1920 the least (37.5%).
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Aspect ratio 3:2 (1.5:1). Exact match for 3:2.
Aspect ratio
3:2
1.5:1
Exact match for 3:2.
- Width ÷ height
- 1.5
- Height ÷ width
- 0.6667
- Shape
- landscape
Your numbers, worked
gcd(1620, 1080) = 540
1620 ÷ 540 = 3
1080 ÷ 540 = 2
1620 ÷ 1080 = 1.5
Show how the gcd was found
- 1620 = 1 × 1080 + 540
- 1080 = 2 × 540 + 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 1620 × 1080
The largest centred crop at each ratio, best fit first. Crop rather than stretch.
| Ratio | Fit | Crop to | Lost |
|---|---|---|---|
| 3:2 | Exact | 1620 × 1080 | 0% |
| 16:10 | Trim height | 1620 × 1013 | 6.2% |
| 4:3 | Trim width | 1440 × 1080 | 11.1% |
| 16:9 | Trim height | 1620 × 911 | 15.6% |
| 5:4 | Trim width | 1350 × 1080 | 16.7% |
| 1.91:1 | Trim height | 1620 × 848 | 21.5% |
| 2:1 | Trim height | 1620 × 810 | 25% |
| 1:1 | Trim width | 1080 × 1080 | 33.3% |
| 21:9 | Trim height | 1620 × 694 | 35.7% |
| 4:5 | Trim width | 864 × 1080 | 46.7% |
| 3:4 | Trim width | 810 × 1080 | 50% |
| 2:3 | Trim width | 720 × 1080 | 55.6% |
| 32:9 | Trim height | 1620 × 456 | 57.8% |
| 9:16 | Trim width | 608 × 1080 | 62.5% |
Solve the missing side
Pick a ratio, then enter the side you know.
Height is 1080. Size 1620 by 1080 pixels.
Size at 3:2
1620 × 1080
Height solved, in pixels.
Your numbers, worked
H = W × 2 ÷ 3 = 1620 × 2 ÷ 3 = 1080
Whole number, so no rounding is needed.
Pixel-exact: a 3:2 size needs the width to be a multiple of 3, and 1620 is 540 × 3.
Questions
What resolutions are 3:2?
1080 × 720, 1152 × 768, 1620 × 1080, 2160 × 1440 and 3240 × 2160 are exactly 3:2. Any size whose width is a multiple of 3 and whose height is the same multiple of 2 is exact.
How do I work out a 3:2 height from a width?
Multiply the width by 2 and divide by 3: 1620 × 2 ÷ 3 = 1080. The other way, width = height × 3 ÷ 2.
How much of a 3:2 image does a 9:16 crop keep?
37.5%. The share kept is the smaller decimal divided by the larger: 0.563 ÷ 1.5. Padding a 3:2 image to 9:16 instead fills the same share of the canvas.
Nearby sizes
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Which devices use this ratio, and marketing names for it, are not covered: we did not verify a primary source for them, so this page sticks to arithmetic.