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To estimate storage for a 24/7 YouTube playlist, add the sizes of the distinct video files if you already have them. If you are planning files that have not been encoded yet, multiply their combined video-and-audio bitrate by the total duration of unique content, then divide by eight. Replaying a playlist does not require another stored copy for each loop.
Use actual file sizes when you can
For an existing playlist, add the file sizes of every distinct video and audio file you plan to play. Count each file once, even if it appears more than once in the playlist. This gives a more reliable total than estimating from a nominal bitrate.
Check whether the file manager reports decimal GB or binary GiB. Drive manufacturers commonly label capacity in decimal units, while operating systems may display decimal or binary units. Keep the same unit convention when comparing your library total with available storage.
Estimate storage from bitrate and duration
When files have not yet been made, use this formula for a constant combined bitrate:
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Estimated bytes = (video bitrate in bits/second + audio bitrate in bits/second) Ă— duration in seconds Ă· 8
For a playlist of multiple unique files, use their summed durations. A convenient decimal-unit shortcut is:
Approximate decimal GB = combined Mbps Ă— hours Ă— 0.45
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For example, 1 Mbps sustained for one hour is about 0.45 decimal GB, or about 0.419 GiB. If the playlist has four unique one-hour videos, calculate for four hours of content—not for every time those videos repeat. If you also want to save a separate recording of the continuous 24-hour stream, estimate that recording as its own 24-hour file.
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Bitrate estimates are useful only when the inputs describe the same kind of video: resolution, frame rate, SDR or HDR, audio channels, and whether the bitrate is an actual average or just a planning target. YouTube’s official upload encoding guidance provides recommended upload rates, not a guarantee of the resulting file size or a universal requirement for every source file.
YouTube SDR video recommendations
| Resolution and frame rate | Recommended video bitrate |
|---|---|
| 1080p, 24/25/30 fps | 8 Mbps |
| 1080p, 48/50/60 fps | 12 Mbps |
| 720p, 24/25/30 fps | 5 Mbps |
| 720p, 48/50/60 fps | 7.5 Mbps |
| 2160p (4K), 24/25/30 fps | 35–45 Mbps |
| 2160p (4K), 48/50/60 fps | 53–68 Mbps |
YouTube lists different, generally higher rates for HDR; for example, 1080p HDR is 10 Mbps at 24/25/30 fps and 15 Mbps at 48/50/60 fps.
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Add the audio bitrate
YouTube’s audio recommendations are 128 kbps for mono, 384 kbps for stereo, and 512 kbps for 5.1. Add the audio bitrate to the video bitrate if you are estimating from separate components. YouTube also says, “Content should be encoded and uploaded in the same frame rate it was recorded.”
Variable-bitrate files can differ in size even when their settings are similar: content with more visual complexity may take more data than a calm, static scene. YouTube supports variable bitrate and does not require a bitrate limit, so treat calculations based on target rates as estimates.
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For 1080p SDR at 24/25/30 fps, YouTube recommends 8 Mbps for video and 384 kbps for stereo audio. Together, that is 8.384 Mbps. At a constant combined rate, 24 hours of unique content works out to about 90.55 decimal GB.
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This is arithmetic from YouTube’s recommended upload rates, not a measurement of an actual encode or a promised file size. A representative sample of your own export can improve the estimate.
Reference estimates for 24 hours of unique content
The following figures are decimal GB estimates calculated from the stated combined rates and a 24-hour duration. They are not measurements or a YouTube storage table.
| Combined bitrate | Approximate size for 24 hours |
|---|---|
| 5 Mbps | 54 GB |
| 8 Mbps | 86.4 GB |
| 8.384 Mbps (8 Mbps video + 384 kbps audio) | 90.55 GB |
| 12 Mbps | 129.6 GB |
| 16 Mbps | 172.8 GB |
A practical way to plan a library
- Inventory existing files. Add each distinct file’s listed size once. This is the clearest estimate for material already encoded.
- Estimate unfinished files. Choose plausible video and audio rates, add them, and apply the formula to the total duration of unique content.
- Test a representative export. Make a short sample with the intended settings and check its actual size. Use its average size per minute to refine your estimate before encoding a large library.
- Allow for growth and working copies. Leave room for future playlist additions and any separate working or backup copies; the amount depends on your plans, not a universal safety-margin standard.
- Compare with usable capacity. Check the free space on your local disk or the current storage allowance and terms of any hosted service before committing. For local retention or backups, choose an external hard drive for video files only after measuring the library and accounting for future additions.
Cloud playlist storage is a separate limit
Your calculated library size answers how much space the files need; a hosted service’s allowance is a separate constraint. StreamNeo says each slot includes 10 GB of storage, pooled across a user’s active slots. Compare your measured library total with the allowance and verify the service’s current terms. Its feature and capacity details are vendor-stated, not an independent storage test.
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Or let it run in the cloud
StreamNeo is a YouTube-only cloud service for running uploaded videos as a 24/7 stream. Upload a recording or build a playlist, add your YouTube stream key, and go live. It loops the files from the cloud, so nothing has to stay on at home. Each slot carries a flat price for any uploaded quality up to 4K 60fps, with no re-encode or quality tiers; StreamNeo says it automatically recovers if YouTube drops the stream.
The first day is free with no card, once per account. The monthly option is $9.99 per month. Its 10 GB per-slot storage allowance is separate from your calculated library requirement, so check that your files fit and confirm current terms. Start the free first day with StreamNeo.
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