Video File Size Calculator
Calculate video file size based on Bitrate, duration, and codec. Plan your storage and streaming needs for YouTube, Twitch, and other platforms.
Video Settings
Estimated File Size
Your video uses 5.3% of the basic storage
YouTube Recommended Bitrates
| Resolution | Frame Rate | Recommended Bitrate | Size per Hour |
|---|---|---|---|
| 2160p (4K) | 60 fps | 20,000 - 51,000 kbps | ~9 - 23 GB |
| 2160p (4K) | 30 fps | 13,000 - 34,000 kbps | ~6 - 15 GB |
| 1080p | 60 fps | 4,500 - 9,000 kbps | ~2 - 4 GB |
| 1080p | 30 fps | 3,000 - 6,000 kbps | ~1.3 - 2.7 GB |
| 720p | 60 fps | 2,250 - 6,000 kbps | ~1 - 2.7 GB |
| 720p | 30 fps | 1,500 - 4,000 kbps | ~0.7 - 1.8 GB |
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Start StreamingFrequently Asked Questions
Video file size depends on bitrate, duration, codec, and resolution. Higher bitrate and longer duration produce larger files. Modern codecs like H.265 and AV1 can reduce file sizes by 40-50% compared to H.264.
YouTube recommends 8 Mbps for 1080p 30fps and 12 Mbps for 1080p 60fps uploads. For 4K, the recommended bitrate is 35-45 Mbps. Higher bitrates improve quality but produce larger files.
H.265 (HEVC) produces files about 40% smaller than H.264 at similar quality. VP9 offers around 35% savings and is what YouTube uses internally. AV1 provides the best compression at about 50% savings but requires more processing power to encode.