What is 2.39:1 in pixels at 4K?
3840 × 1606 px
A 2.39:1 frame delivered at 4K is 3840 × 1606 pixels, 2.39 times as wide as it is tall. Cinema 'scope' widescreen.
How that is worked out
height = width ÷ (ratio width ÷ ratio height)
3840 ÷ 2.3900 = 1606.69, rounded to 1606
Worth knowing
- The exact height is 1606.69 px. Encoders need even numbers, so delivery rounds to 1606 px — 0.043% away from a true 2.39:1.
- That is 6.17 MP per frame, 74% of the 8.29 MP a full 4K 3840 × 2160 frame carries.
- Dropped into a 3840 × 2160 timeline it fits at 3840 × 1606, leaving bars of 277 px top and bottom.
- Where you see it: Cinema 'scope' widescreen.
2.39:1 at every delivery size
| Delivery | Pixels | Per frame |
|---|---|---|
| 480p | 854 × 358 | 0.31 MP |
| 720p | 1280 × 536 | 0.69 MP |
| 1080p | 1920 × 804 | 1.54 MP |
| 1440p | 2560 × 1072 | 2.74 MP |
| 4K — this page | 3840 × 1606 | 6.17 MP |
Every value is rounded to an even number of pixels: H.264 and H.265 subsample colour in 2 × 2 blocks and reject odd dimensions.
Ratios either side of 2.39:1 at 4K
| Ratio | Pixels | Decimal | Bars inside 3840 × 2160 |
|---|---|---|---|
| 3:2 | 3240 × 2160 | 1.50:1 | 300 px left and right |
| 16:9 | 3840 × 2160 | 1.78:1 | none — exact fit |
| 1.85:1 | 3840 × 2076 | 1.85:1 | 42 px top and bottom |
| 1.9:1 | 3840 × 2022 | 1.90:1 | 69 px top and bottom |
| 2:1 | 3840 × 1920 | 2.00:1 | 120 px top and bottom |
| 21:9 | 3840 × 1646 | 2.33:1 | 257 px top and bottom |
| 2.39:1 — this page | 3840 × 1606 | 2.39:1 | 277 px top and bottom |
Need it for other values?
Scale width and height to 16:9, 9:16, 4:5, 2.39:1 or a custom ratio, with pixel dimensions at 1080p and 4K.