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How Much Data Does a 24/7 Ambient Sound YouTube Stream Use Each Month?

A continuous stream uses about 324 decimal GB per month for every 1 Mbps of combined audio and video bitrate. Learn how to calculate your own upload estimate.
Opened Runtime3 min Written byDocumentaryTube Team
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A 24/7 YouTube stream uses about 324 decimal GB of broadcaster upload for every sustained 1 Mbps of combined audio and video bitrate in a 30-day month. At 3 Mbps total, that is about 972 GB; at 6 Mbps, about 1,944 GB (1.94 TB). These are calculated estimates for an uninterrupted month, not a measured account total.

Estimate monthly upload from your stream bitrate

Use the stream’s total outgoing bitrate, in megabits per second (Mbps), and multiply by the number of days in the month:

Monthly decimal GB ≈ total bitrate in Mbps × 324 × days ÷ 30

The 324 factor represents a 30-day month of continuous streaming: 30 × 24 × 60 × 60 seconds. It converts bits to bytes and then to decimal gigabytes (1 GB = 1,000,000,000 bytes). A 24/7 stream runs for 720 hours in that month.

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Total bitrate 30-day broadcaster upload estimate
1 Mbps 324 GB (about 302 GiB)
3 Mbps 972 GB (0.97 TB; about 906 GiB)
6 Mbps 1,944 GB (1.94 TB; about 1.81 TiB)
10 Mbps 3,240 GB (3.24 TB; about 3.02 TiB)

Month length changes the result: each sustained Mbps adds about 302.4 decimal GB over 28 days or 334.8 GB over 31 days. These figures cover the stream’s outbound data only; other internet use, reconnects, and bitrate changes can raise or alter the total.

Find the bitrate that belongs in the calculation

Resolution alone does not determine monthly data use. The encoder’s actual bitrate is the important input, and it varies with codec, resolution, and frame rate. YouTube’s current live encoder settings give these H.264 examples:

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H.264 video setting Minimum bitrate Recommended bitrate
360p30 0.4 Mbps 4 Mbps
480p30 0.4 Mbps 4 Mbps
720p30 3 Mbps 8 Mbps
1080p30 5 Mbps 14 Mbps

These recommendations span a wide range, so use your configured value rather than selecting a monthly estimate from resolution alone. The YouTube figures above are recommendations, not a guarantee that a particular setting will work well on every connection.

Include audio unless the encoder total already includes it

YouTube lists stereo audio at 128 Kbps (0.128 Mbps) and 5.1 audio at 384 Kbps (0.384 Mbps). If your video bitrate is listed separately, add the audio bitrate before calculating. If the encoder displays a total output bitrate that already includes audio, use that total as-is.

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Example input Total bitrate used 30-day estimate
0.4 Mbps video + 0.128 Mbps stereo audio 0.528 Mbps About 171 GB
3 Mbps total 3 Mbps About 972 GB
6 Mbps total 6 Mbps About 1,944 GB
14 Mbps video + 0.128 Mbps stereo audio 14.128 Mbps About 4,577 GB (4.58 TB)

All GB and TB values here are decimal. Some operating systems and providers report binary units instead: 1 GiB is 1,073,741,824 bytes, rather than 1,000,000,000 bytes. That is why 324 decimal GB is about 302 GiB.

Check your encoder and plan for data use

  1. Open your streaming encoder’s output or stream settings. Find the configured video bitrate and note the units. If the interface gives a range or variable target, treat the result as an estimate rather than an exact bill.
  2. Check whether audio is included. Add the audio bitrate to a video-only figure; do not add it again to a combined output bitrate.
  3. Calculate for your billing period. Multiply total Mbps by 324 for a 30-day month, or use the day-adjusted formula for a different month length.
  4. Compare like units with your ISP’s data cap. Confirm whether it reports decimal GB/TB or binary GiB/TiB, then allow headroom for other household traffic and operational variation.
  5. Test and monitor the stream. YouTube advises testing with audio and movement similar to the planned stream and monitoring stream health. A calculation cannot establish that a particular setup will sustain a 24/7 broadcast.

Broadcaster upload is not viewer data

The estimates above describe the data your streaming connection sends to YouTube. They do not describe how much each viewer downloads. YouTube says it transcodes a live stream into multiple output formats for viewers, so viewer usage depends on the playback rendition, viewing time, and adaptive playback behavior of each person’s connection. See YouTube’s encoder settings guidance and the YouTube Live API documentation for the distinction between the incoming stream and viewer-facing broadcast.

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