Video bitrate calculator
File size (MB) = bitrate (Mbps) × duration (s) ÷ 8 · Add audio bitrate.
— or compute target bitrate for a size cap —
- Total bitrate
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- File size
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- Required video bitrate for target
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Common YouTube targets (1080p): 8 Mbps (24 fps) / 12 Mbps (60 fps). 4K SDR 35–45 Mbps. Bluray ~30–40 Mbps.
About this tool
Video bitrate calculator is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.
Category: Photography & Video. Browse more Photography & Video tools.