For YouTube Live, use the bitrate that matches both your stream’s resolution and frame rate, then choose the value for your encoder’s video codec. YouTube recommends 10 Mbps for 1080p30 AV1 or H.265, 14 Mbps for 1080p30 H.264, and up to 50 Mbps for 4K60 H.264. Those are live-ingest settings—not prerecorded upload settings—and your upload connection needs extra capacity beyond the video bitrate.
YouTube Live bitrate recommendations
The figures below are YouTube’s recommended video bitrates for the stream sent from your encoder to YouTube. Choose the row that matches the resolution and frame rate you are actually sending, then use the column for the codec your encoder is using. AV1 and H.265 (HEVC) share a recommendation in YouTube’s table; H.264 has a separate, higher recommendation.
| Live resolution and frame rate | AV1 or H.265 | H.264 |
|---|---|---|
| 1080p30 | 10 Mbps recommended; 4 Mbps minimum | 14 Mbps recommended; 5 Mbps minimum |
| 1080p60 | 12 Mbps recommended; 4 Mbps minimum | 17 Mbps recommended; 6 Mbps minimum |
| 1440p30 | 15 Mbps recommended; 5 Mbps minimum | 21 Mbps recommended; 7 Mbps minimum |
| 1440p60 | 24 Mbps recommended; 6 Mbps minimum | 34 Mbps recommended; 8 Mbps minimum |
| 2160p (4K)30 | 30 Mbps recommended; 8 Mbps minimum | 42 Mbps recommended; 11 Mbps minimum |
| 2160p (4K)60 | 35 Mbps recommended; 10 Mbps minimum | 50 Mbps recommended; 14 Mbps minimum |
Use the recommended figure as the starting point when your encoder and connection can sustain it. The listed minimum is not the recommended target; if conditions force you below the recommended value, the minimum indicates YouTube’s published lower setting for that combination, not a guarantee of stable delivery or good-looking results.
Quick answers for common settings
- 1080p30: 10 Mbps for AV1/H.265 or 14 Mbps for H.264.
- 1080p60: 12 Mbps for AV1/H.265 or 17 Mbps for H.264.
- 4K30: 30 Mbps for AV1/H.265 or 42 Mbps for H.264.
- 4K60: 35 Mbps for AV1/H.265 or 50 Mbps for H.264.
Choose resolution, frame rate, and codec before bitrate
Bitrate is not a standalone quality switch. It must suit the detail in the image, the motion, the frame rate, and the codec. A 60 fps stream sends more frames each second than a 30 fps stream, and YouTube’s recommendations reflect that. The codec matters too: for example, YouTube’s 1080p60 recommendation is 12 Mbps for AV1/H.265 but 17 Mbps for H.264.
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1080p30 versus 1080p60
For a 30 fps broadcast, use the 1080p30 row; for a 60 fps broadcast, use 1080p60. A game capture with fast camera movement may benefit from 60 fps if your encoder and network can maintain it. A slower-moving presentation or scene may be well served by 30 fps. Do not select 60 fps simply because the setting is available: it raises the recommended bitrate and the bandwidth the connection must support.
1080p versus 1440p or 4K
Higher resolution can preserve more image detail, but it also raises the recommended ingest bitrate and connection requirement. Choose the highest resolution your source, encoder, and upload connection can reliably sustain. If a 4K stream pushes the connection close to its limit, a stable 1080p or 1440p stream is a better practical choice than an unstable 4K one.
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H.264 versus AV1 or H.265
Use the column matching the codec actually selected in your streaming encoder. Do not use the AV1/H.265 recommendation for an H.264 output or vice versa. The table provides recommendations, not a claim that every encoder, computer, or YouTube workflow supports every codec equally; check the capabilities of your encoder and the current YouTube setup you are using before switching.
Set the encoder for YouTube Live
YouTube lists RTMP and RTMPS as ingestion protocols and recommends RTMPS. Its encoder guidance calls for CBR (constant bitrate) and a two-second keyframe interval, with the interval no longer than four seconds. These settings are separate from the bitrate number: matching the bitrate alone does not replace protocol, rate-control, and keyframe configuration.
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- Select the ingest protocol: choose RTMPS when your encoder supports it; RTMP is also listed by YouTube.
- Set the video codec: choose H.264, H.265/HEVC, or AV1 if supported in your workflow, then use the matching bitrate column.
- Set rate control: select CBR rather than a variable-bitrate mode.
- Set keyframes: use a two-second interval. Do not exceed four seconds.
- Set resolution and frame rate: make these agree with the row used for your bitrate and with the source you intend to stream.
- Configure audio: YouTube lists AAC or MP3 for audio. Its listed sample rates are 44.1 kHz for stereo and 48 kHz for 5.1; listed audio bitrates are 128 kbps stereo or 384 kbps 5.1. For 5.1 surround over RTMP/RTMPS, YouTube says AAC is supported.
Advanced video settings when troubleshooting
YouTube’s listed advanced settings include square pixels, progressive scan, two B-frames, one reference frame, and CABAC. For SDR it lists Rec. 709 and 8-bit; for HDR it lists 10-bit and recommends H.265 over RTMP(S). AV1 is not supported for HDR in that guidance. For AV1 at 3840×2160 and above, YouTube specifies at least two tile columns. These options are relevant when configuring an encoder that exposes them or investigating compatibility; the core bitrate decision still comes from the resolution, frame rate, and codec table.
Check upload bandwidth with headroom
Your upload connection must carry the total outgoing stream bitrate, not merely provide a speed-test result that looks close to the video number. YouTube recommends leaving 20% headroom because available capacity can fluctuate and other devices or services may share the connection. Measure outbound upload speed on the network and setup that will carry the broadcast; download speed is not a substitute.
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As a practical calculation, divide the configured total stream bitrate by 0.8 to estimate the connection capacity needed when reserving 20% headroom. A 17 Mbps video stream therefore calls for about 21.25 Mbps of available upload capacity before accounting for other outbound traffic. Audio and any additional stream traffic also count toward the total, so leave more room if the connection is shared or variable.
- Run an upload-speed check close to the actual streaming computer and network connection.
- Check at a time and under network conditions representative of the event; a single result cannot guarantee future capacity.
- Account for other people, devices, cloud backups, or uploads using the same connection.
- If the connection cannot sustain the recommended bitrate with headroom, lower the resolution or frame rate, or choose a less demanding supported codec and matching recommendation.
Test before going live and monitor stream health
A speed test cannot reproduce every broadcast condition. YouTube advises testing before a live stream, including audio and movement similar to what will appear during the actual broadcast. Test the exact encoder settings, scene, game or video motion, and audio setup you plan to use. During the broadcast, monitor YouTube’s stream health so you can respond to connection or ingest problems rather than assuming that a configured bitrate is being delivered cleanly.
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- Start a private or otherwise suitable test broadcast using the planned resolution, frame rate, codec, bitrate, and audio.
- Include representative movement and the loudest or most complex audio expected in the real stream.
- Watch the encoder and YouTube stream-health indicators while the test runs.
- If there are dropped frames or unstable health, first check upload capacity and competing traffic; then reduce the bitrate or choose a lower resolution/frame rate that the connection can sustain.
- Repeat the test after changing settings instead of assuming one adjustment fixed the issue.
Live bitrate is not prerecorded-upload bitrate
A live encoder sends a continuous ingest stream, so use YouTube’s live table above. A prerecorded video is uploaded as a file and has separate encoding guidance: YouTube’s upload table recommends 8 Mbps for standard-frame-rate 1080p uploads and 35–45 Mbps for standard-frame-rate 2160p SDR uploads. Those upload values are not the live settings. For example, the 1080p30 live recommendation is 10 Mbps for AV1/H.265 or 14 Mbps for H.264, not the 8 Mbps prerecorded-upload figure.
YouTube transcodes incoming live video into outputs for viewers on different devices and network conditions. Your encoder’s bitrate is therefore an input to YouTube, not a promise that every viewer will receive that exact bitrate or resolution.
4K live-streaming limitation
YouTube says the low-latency option is unavailable for 2160p/4K live streams; 4K streams are optimized for quality and set to normal latency. Reducing the 4K bitrate does not enable low latency. If low latency is essential, select a resolution below 4K and verify the available latency options in YouTube’s current live controls.
Troubleshooting bitrate and stream problems
| Symptom | Likely cause | What to check or change |
|---|---|---|
| Encoder warning, dropped frames, or an unstable stream | Outgoing bitrate is too close to or above available upload capacity, or the connection is fluctuating. | Check outbound capacity on the actual streaming network, reserve headroom, stop competing uploads, or lower resolution, frame rate, or bitrate and test again. |
| Settings appear correct but picture quality is poor | The configured codec, resolution, or frame rate may not match the bitrate row; fast motion can also be demanding. | Confirm the actual output codec and frame rate, then use the corresponding recommended row. Test with representative movement. |
| Connection or ingest problems despite a fast download test | Download speed does not establish upload capacity; local network use or disruptions may reduce available outbound bandwidth. | Run an upload test close to the streaming setup and check whether other users or devices are consuming bandwidth. |
| Keyframe-related compatibility issue | The keyframe interval may be too long or not set to YouTube’s guidance. | Set a two-second interval and do not exceed four seconds. |
| Cannot enable low latency for a 4K stream | Low latency is unavailable for YouTube 2160p live streams. | Use normal latency for 4K, or choose a lower resolution if low latency is a requirement. |
| HDR is rejected or unavailable | The selected codec or encoder configuration may not fit YouTube’s HDR guidance. | For HDR over RTMP(S), YouTube recommends H.265; AV1 is not supported for HDR in its listed guidance. |
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