Pixel size reference
1640 x 856 pixels is 1.91:1, almost.
1640 by 856 pixels has an aspect ratio of 205:107, which rounds to 1.91:1 (1.9159), a landscape frame of 1.4 megapixels. It is the recommended size for Facebook Group Cover.
Checked . Free, nothing uploaded.
- Decimal
- 1.9159
- Orientation
- Landscape
- Same ratio at 1080 wide
- 1080 x 565
1.92:1
1.4 megapixels
Instagram's feed width
Resize an image to 1640 x 856
Fill and crop keeps the whole frame covered; fit with padding keeps every pixel of your image and adds a background color. Nothing is uploaded.
JPG, PNG or WebP. It is resized to exactly 1640 x 856 in your browser; nothing is uploaded.
Facebook: Group cover
1640 x 856
Resizing for a social post? Creobee’s AI social media post generator plans, writes and designs your posts as one feed in your brand, captions included. First 3 posts free, no card needed.
Make 3 posts freeWhere 1640 x 856 is used
Other 1.91:1 sizes
Same ratio, different pixel counts. Scaling between them never crops.
| Size | Megapixels | Type | Used by |
|---|---|---|---|
| 1080 x 566 | 0.61 | social | Instagram Landscape Post |
| 1200 x 627 | 0.75 | social | LinkedIn Post Image |
| 1200 x 628 | 0.75 | og | The link-preview size most guides and social tools quote, 2 pixels shorter than Facebook's own 1200 by 630 |
| 1200 x 630 | 0.76 | social | Facebook Link Image, Open Graph Image |
| 1920 x 1005 | 1.93 | social | Facebook Event Cover |
Check any other size
The calculator opens at 1640 by 856. Change either side to see the ratio, or scale it to a new width.
Your dimensions
Scale to a new size
Fill in one side; the other follows the same ratio.
1080 x 564 keeps the 205:107 ratio. Height is rounded to a whole pixel.
About 1640 x 856
Facebook's recommended group cover: the same 1640 pixel width as a Page cover but 68 pixels shorter. That difference is small enough to look interchangeable and large enough that swapping the two files crops one of them.
Aspect ratio guides
- All 44 platform sizes
- 1:1 ratio
- 4:5 ratio
- 5:4 ratio
- 3:4 ratio
- 4:3 ratio
- 9:16 ratio
- 16:9 ratio
- 2:3 ratio
- 3:2 ratio
- 1.91:1 ratio
- 3:1 ratio
- 4:1 ratio
- 16:10 ratio
- 2:1 ratio
Common resolutions by ratio
Square posts, profile pictures, album art and carousel slides on every platform.
Portrait feed posts on Instagram, Facebook, LinkedIn and Threads.
Landscape twin of 4:5; 8 by 10 inch prints and the 1280 by 1024 monitor.
iPads, compact cameras, old TVs and 4:3 slides; a landscape option in feeds.
Full-screen vertical: Stories, Reels, TikTok, Shorts and phone wallpapers.
HD video, YouTube thumbnails, monitors and TVs; 1920 by 1080 and 1280 by 720.
35mm film and most camera sensors, 4 by 6 inch prints and Surface screens.
Link preview and Open Graph images on Facebook and LinkedIn; 1200 by 628.
Laptop display ratio: 1920 by 1200, 2560 by 1600, 1440 by 900.