Aspect Ratio Calculator4096x2160 at a glance
| Simplified ratio | 256:135 |
|---|---|
| Decimal (width ÷ height) | 1.8963:1 |
| Written as x:9 | 17.07:9 |
| Closest standard ratio | 16:9 (YouTube, HD/4K video), 6.67% off |
| Megapixels | 8.85 MP (8,847,360 pixels) |
| Pixels compared with 1920 × 1080 | 4.27× |
| Orientation | Landscape |
| CSS | aspect-ratio: 256 / 135; |
| Padding-top trick | padding-top: 52.7344%; |
What is 4096x2160 used for?
The Digital Cinema Initiatives 4K container used for cinema projection and by professional cameras. It is slightly wider than consumer 4K UHD (3840 × 2160), so it shows thin bars on a 16:9 TV.
How the ratio is calculated
Divide both sides by their greatest common divisor (GCD). The GCD of 4096 and 2160 is 16, so 4096 ÷ 16 = 256 and 2160 ÷ 16 = 135, which gives 256:135. In CSS that is aspect-ratio: 256 / 135; with the older padding trick the height is 52.7344% of the width.
256:135 is not one of the classic ratios; the closest standard is 16:9, 6.67% off. An exact 16:9 image 4096 px wide would be 2,304 px tall instead of 2160, so fitting one into the other means cropping or bars.
Same-ratio sizes (256:135)
4096x2160 scaled down and up without changing its shape. Rows marked ≈ are rounded to whole pixels, so they are less than one pixel off.
| Size (px) | Scale | Megapixels |
|---|---|---|
| 1024 × 540 | 25% | 0.55 |
| ≈ 1365 × 720 | 33.3% | 0.98 |
| 2048 × 1080 | 50% | 2.21 |
| ≈ 2731 × 1440 | 66.7% | 3.93 |
| 3072 × 1620 | 75% | 4.98 |
| 4096 × 2160 | 100% | 8.85 |
| ≈ 5461 × 2880 | 133.3% | 15.73 |
| 6144 × 3240 | 150% | 19.91 |
| 8192 × 4320 | 200% | 35.39 |
Nearby common sizes
- 3840 × 2160 16:9 · 4K UHD (2160p)
- 2560 × 1440 16:9 · QHD (1440p)
- 3440 × 1440 ≈ 21:9 · UWQHD (ultrawide 1440p)
- 2732 × 2048 ≈ 4:3 · 12.9-inch iPad Pro
Frequently asked questions
What is the aspect ratio of 4096x2160?
4096 × 2160 has an aspect ratio of 256:135. The greatest common divisor of 4096 and 2160 is 16; dividing both sides by it gives 256:135. As a decimal that is 1.8963:1, 6.67% away from the standard 16:9 ratio.
How many megapixels is 4096x2160?
4096 × 2160 contains 8,847,360 pixels, or 8.85 megapixels. That is 4.27× the pixel count of 1920 × 1080 (Full HD).
Which sizes have the same aspect ratio as 4096x2160?
Exact scaled versions include 1024 × 540, 2048 × 1080, 3072 × 1620, 6144 × 3240, and 8192 × 4320. Any size of the form 256n × 135n has exactly the same shape.
How do I resize an image to 4096x2160 without distortion?
Crop it to 256:135 first, then scale it to 4096 × 2160. For any width W the matching height is W × 135 ÷ 256. The calculator on this page does the arithmetic: type a new width in box 2 and it fills in the height.
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