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Which aspect ratio is best for YouTube?

For YouTube, 16:9 is the only acceptable aspect ratio. Here's everything you need to know about YouTube's aspect ratio requirements.

The Simple Answer:

YouTube requires: 16:9

  • This is non-negotiable
  • All YouTube videos must be 16:9
  • Uploading other ratios will result in black bars
  • 16:9 is the universal streaming standard

Recommended YouTube Resolutions:

ResolutionBitrateQualityBest For
1920 × 10805-12 MbpsFull HDMost creators
1280 × 7202.5-6 MbpsHDBudget option
2560 × 144015-25 Mbps2KHigh quality
3840 × 216040-100 Mbps4KPremium content
854 × 4801-2.5 MbpsLow qualityMobile only

Why 16:9 for YouTube:

  • YouTube platform designed for 16:9
  • Fills modern screens perfectly
  • Standard for all streaming
  • Industry standard for video
  • No wasted space or black bars
  • Optimal viewing experience
  • Works on all devices

What Happens If You Upload Wrong Ratio:

If you upload 4:3:

  • YouTube adds black bars on sides (pillarboxing)
  • Less engaging on viewer's screen
  • Looks unprofessional
  • Wastes screen space
  • Reduces viewing comfort

If you upload 9:16 (vertical):

  • YouTube adds large black bars on both sides
  • Terrible viewing experience
  • Takes up only 25% of screen
  • Very unprofessional appearance
  • Viewers will leave

If you upload 2.39:1 (cinema):

  • YouTube adds black bars top/bottom
  • Looks like movie letterboxing
  • Acceptable but not ideal
  • Wastes vertical space
  • Less immersive than 16:9

The YouTube Standard:

Minimum Resolution:

  • 1280 × 720 (720p)
  • This is 16:9
  • Acceptable but lower quality

Recommended Resolution:

  • 1920 × 1080 (1080p / Full HD)
  • This is 16:9
  • Standard for most creators
  • Good quality-to-file-size ratio

Optimal Resolution:

  • 3840 × 2160 (4K)
  • This is 16:9
  • Best quality
  • Larger file size
  • Future-proof

Video Formats YouTube Accepts:

All must be 16:9:

  • MP4 (H.264 codec)
  • MOV (QuickTime)
  • AVI (MPEG-4)
  • WMV (Windows Media)
  • FLV (Flash)
  • WebM

File Size Limits:

  • Maximum: 256 GB or 12 hours
  • Most videos: 1-5 GB
  • Depends on resolution and length

Bitrate Recommendations (16:9):

For 1080p (1920×1080):

  • Video bitrate: 5-12 Mbps
  • Audio bitrate: 128 kbps
  • Total: 5.2-12.1 Mbps

For 720p (1280×720):

  • Video bitrate: 2.5-6 Mbps
  • Audio bitrate: 128 kbps
  • Total: 2.6-6.1 Mbps

For 4K (3840×2160):

  • Video bitrate: 40-100 Mbps
  • Audio bitrate: 256 kbps
  • Total: 40.3-100.3 Mbps

Export Settings For YouTube (16:9):

In Adobe Premiere Pro:

  1. File → Export → Media
  2. Preset: YouTube 1080p HD
  3. Resolution: 1920 × 1080
  4. Frame Rate: 24p or 30p
  5. Export

In Final Cut Pro:

  1. File → Share → YouTube
  2. Resolution: 1920 × 1080
  3. Quality: High or Maximum
  4. Upload directly

In OBS (Streaming):

  1. Settings → Output
  2. Bitrate: 5000-12000 Kbps
  3. Resolution: 1920 × 1080
  4. Use 16:9 canvas

In DaVinci Resolve:

  1. Deliver tab
  2. Resolution: 1920 × 1080
  3. Codec: H.264
  4. Format: 16:9
  5. Export

Common Mistakes:

  • Mistake 1: Uploading 4:3

Result: Black bars on sides

Solution: Always use 16:9

  • Mistake 2: Uploading 1:1 (Square)

Result: Huge black bars, unprofessional

Solution: Crop or expand to 16:9

  • Mistake 3: Uploading vertical (9:16)

Result: Tiny video in center of screen

Solution: Rotate 90° or add black bars

  • Mistake 4: Wrong resolution

Result: Blurry or too large file

Solution: Use 1920×1080 or higher

YouTube Optimization Tips:

Tip 1: Always Shoot in 16:9

  • Makes editing easier
  • No conversion needed
  • Professional appearance
  • Saves time in post-production

Tip 2: Use 1920×1080 Minimum

  • Looks good on modern screens
  • Acceptable file sizes
  • Standard for creators
  • Most viewers use this resolution

Tip 3: Consider Uploading in 4K

  • Future-proof
  • YouTube prioritizes 4K
  • Better visibility in search
  • Highest quality
  • Requires stronger internet

Tip 4: Keep Aspect Ratio Throughout

  • Shoot in 16:9
  • Edit in 16:9 timeline
  • Export in 16:9
  • Upload in 16:9
  • No aspect ratio changes needed

YouTube Mobile Viewing:

Important: YouTube automatically adjusts for phones:

  • Vertical videos: Fills screen in app
  • Horizontal videos (16:9): Fills screen
  • Square videos: Pillarboxed (wasted space)
  • Always use 16:9 for best mobile experience

YouTube Shorts (Different from Regular Videos):

YouTube Shorts Requirements:

  • Aspect ratio: 9:16 (vertical)
  • Duration: 15-60 seconds
  • Resolution: 1080 × 1920
  • Different from regular YouTube videos
  • Use 9:16 ONLY for Shorts

Regular YouTube Videos:

  • Aspect ratio: 16:9 (horizontal)
  • Duration: Any length
  • Resolution: 1920 × 1080 (minimum)
  • Use 16:9 for all regular videos

Key Takeaway:

Always use 16:9 for YouTube. It's the standard, required ratio. Upload at 1920×1080 (1080p) as your minimum, or 3840×2160 (4K) for best quality. This ensures your videos fill screens properly without black bars and look professional on all devices. Only use 9:16 if creating YouTube Shorts.

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