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About this tool
Convert between Mbps, kbps, MB/s and GB per hour, and turn any bitrate into the file size it produces.
The Data Rate Bitrate Converter normalises any data rate to bits per second and converts it into every unit a delivery spec might use — kbps, Mbps, Gbps, MB/s, MiB/s, MB per minute and GB per hour — then shows the file size that rate produces over a given running time. It keeps the two prefix systems apart: bit-rate prefixes are decimal by definition, so 1 Mbps is exactly 1,000,000 bit/s, while byte sizes appear in both decimal MB and binary MiB. Aimed at editors, streamers and developers reconciling an encoder setting against a platform requirement or a storage budget.
Open Data Rate Bitrate Converter on AltFTool — it loads instantly in your browser.
Paste or upload your source content.
Choose the target format or conversion mode.
Copy or download the converted result.
Converts across the factor-of-eight boundary that causes most bitrate mistakes.
Shows MB and MiB side by side so a Windows file size and a cloud dashboard figure reconcile.
Includes documented rates for DVD, Blu-ray, ProRes, DCP, audio CD and YouTube uploads.
Exactly 8 Mbps, because one byte is eight bits and both prefixes are decimal in this context. The reverse is also worth memorising: a 100 Mbps connection tops out at 12.5 MB/s of file transfer before any protocol overhead.
About 600 MB. The arithmetic is 8,000,000 bits per second x 600 seconds / 8 bits per byte = 600,000,000 bytes. Add the audio track — a 384 kbps stereo AAC stream adds roughly another 29 MB over the same ten minutes.
YouTube's recommended upload bitrates for SDR at standard frame rates are about 8 Mbps for 1080p, 16 Mbps for 1440p and 35-45 Mbps for 2160p, with high frame rate versions roughly 50% higher. YouTube re-encodes everything on ingest, so uploading well above the streaming bitrate gives its encoder better source material.
Because one tool is counting decimal gigabytes (1,000,000,000 bytes) and the other binary gibibytes (1,073,741,824 bytes). The file has not changed; 1 GB is 0.931 GiB. Windows labels binary units as GB, which is where most of the confusion comes from.
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