AI Image Size Calculator
Select a use case to see the exact pixel dimensions, aspect ratio, recommended AI model, and estimated credits. Need print? Enter physical dimensions and DPI for precise pixel calculations.
Results
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Aspect Ratio
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Recommended Model
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Est. Credits
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on ZSky AI
Common Social Media Image Sizes
| Platform | Type | Dimensions (px) | Aspect Ratio |
|---|---|---|---|
| Square Post | 1080 x 1080 | 1:1 | |
| Portrait Post | 1080 x 1350 | 4:5 | |
| Story / Reel | 1080 x 1920 | 9:16 | |
| Landscape | 1080 x 566 | 1.91:1 | |
| Post Image | 1200 x 630 | 1.91:1 | |
| Cover Photo | 1640 x 624 | 2.63:1 | |
| Event Cover | 1920 x 1005 | 1.91:1 | |
| Twitter / X | In-Stream Image | 1600 x 900 | 16:9 |
| Twitter / X | Header | 1500 x 500 | 3:1 |
| YouTube | Thumbnail | 1280 x 720 | 16:9 |
| YouTube | Channel Banner | 2560 x 1440 | 16:9 |
| Post Image | 1200 x 627 | 1.91:1 | |
| Cover Photo | 1584 x 396 | 4:1 | |
| Standard Pin | 1000 x 1500 | 2:3 | |
| Long Pin | 1000 x 2100 | 1:2.1 | |
| TikTok | Post / Video | 1080 x 1920 | 9:16 |
| Threads | Post Image | 1080 x 1350 | 4:5 |
Generate Any Size on ZSky AI
ZSky AI supports custom dimensions and aspect ratios. 200 free credits at signup + 100 daily when logged in, free sign up required.
Start Creating Free →
Start Creating Free →
200 free credits at signup + 100 daily when logged in. No credit card needed.