Video Aspect Ratio & Pixel Calculator
Calculate precise pixel dimensions for Instagram Reels, TikTok, YouTube, and digital displays without distorting your video.
Calculate precise pixel dimensions for Instagram Reels, TikTok, YouTube, and digital displays without distorting your video.
The official Instagram Reels aspect ratio is 9:16. The ideal resolution for exporting Instagram Reels, YouTube Shorts, and TikTok clips is 1080 x 1920 pixels. Maintaining a 9:16 vertical frame ensures your media displays full-screen on mobile devices without black bars or accidental cropping.
| Platform / Format | Aspect Ratio | Recommended Pixels | Use Case |
|---|---|---|---|
| Instagram Reels aspect ratio | 9:16 | 1080 × 1920 px | Full-screen vertical feed |
| Instagram Portrait Post | 4:5 | 1080 × 1350 px | Maximum feed real estate |
| YouTube Video aspect ratio | 16:9 | 1920 × 1080 / 3840 × 2160 | Standard HD / 4K Widescreen |
| Facebook Video aspect ratio | 1:1 or 9:16 | 1080 × 1080 / 1080 × 1920 | Feed clips & Facebook Reels |
To rescale video dimensions without stretching, divide your target width by the original aspect ratio factor or use our automated calculator above to lock the proportion automatically.
Instagram will add thick black bars above and below a 16:9 widescreen video to fit it into the vertical player. For best engagement, re-crop your timeline to 9:16 (1080x1920) in editing software like DaVinci Resolve or Premiere Pro.
The standard aspect ratio for Reels is 9:16 (1080 × 1920 pixels).
Match source aspect ratios to target display aspect ratios using exact proportional pixel dimensions.
Vertical 4K resolution is 2160 × 3840 pixels.
Yes, it is free for personal and commercial editing projects.