2.7:1 aspect ratio
2.7000:1 · 2560×948 px · also called YouTube masthead, 2.7:1 banner
2.7:1 is the YouTube masthead shape. It is a reservation-only brand placement, so the asset gets designed once and has to survive desktop, tablet and mobile crops.
What 2.7:1 means
A 2.7:1 frame is 2.7 times wider than it is tall — multiply the width by 0.3704 for the height. 1920×711 px is the standard deliverable.
Where it is used
YouTube masthead takeovers and comparable homepage brand banners.
2.7:1 in pixels
Every row below is exactly 2.7:1. Divide the width by 2.7000 to get the height for any size not listed.
| Width (px) | Height (px) | Total pixels |
|---|---|---|
| 1280 | 474 | 0.61 MP |
| 1920 | 711 | 1.37 MP |
| 2560 | 948 | 2.43 MP |
| 3240 | 1200 | 3.89 MP |
2.7:1 in mm and inches
Physical equivalents at common print widths, with the pixel size needed for 300 DPI print.
| Width (mm) | Height (mm) | Inches | Pixels @ 300 DPI |
|---|---|---|---|
| 50 | 18.5 | 1.97″ × 0.73″ | 591×219 |
| 100 | 37 | 3.94″ × 1.46″ | 1181×437 |
| 150 | 55.6 | 5.91″ × 2.19″ | 1772×657 |
| 210 | 77.8 | 8.27″ × 3.06″ | 2480×919 |
| 297 | 110 | 11.69″ × 4.33″ | 3508×1299 |
Ad placements that use 2.7:1
Working with 2.7:1
- 01Deliver a 16:9 companion cut: the masthead auto-swaps to it on mobile.
- 02Keep the logo centre-left and avoid the far-right 20%, where the info card sits.
- 03Motion should read in the first second — mastheads autoplay muted.
2.7:1 questions, answered
What is 2.7:1 in pixels?
1920×711 px is the YouTube masthead size.
Do I need audio?
No — mastheads autoplay muted, so the message must work visually.
Is 2.7:1 the same as 21:9?
No. 21:9 is about 2.33:1, so 2.7:1 is wider.
Free tools for 2.7:1
Never crop by hand again. Xeli reframes for you.
Xeli generates every ratio a campaign needs from one master — 2.7:1 included — with safe zones respected per placement.
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