For a starting estimate, plan on about 2.5–3 Mbps for 720p, 5 Mbps for 1080p, and 15–25 Mbps for 4K—but the exact recommendation depends on the streaming service. Add the estimates for streams playing at the same time, then leave capacity for other household activity. These are service recommendations, not guarantees that your connection will consistently deliver a particular quality.
Bandwidth is a connection rate, measured in megabits per second (Mbps). Data use is a volume, often measured in gigabytes (GB) per hour or month. Use the first figure to think about buffering; use the second when estimating a data cap.
How much speed does each streaming service recommend?
Official guidance differs by service. Netflix and YouTube give similar figures for 720p and 1080p, while their 4K recommendations differ. Disney+ publishes separate US guidance for HD, live content, and 4K.
| Resolution or mode | Netflix | YouTube | Disney+ (US) |
|---|---|---|---|
| 360p | Not stated | About 0.7 Mbps sustained | Not stated |
| 480p | Not stated | About 1.1 Mbps sustained | Not stated |
| 720p / HD | 3 Mbps or higher | About 2.5 Mbps sustained | 5 Mbps for HD; the cited guidance does not specify 720p separately |
| 1080p / Full HD | 5 Mbps or higher | About 5 Mbps sustained | Included in HD guidance: 5 Mbps |
| 4K / UHD | 15 Mbps or higher | About 20 Mbps sustained | 25 Mbps |
| Live content | Included in speed advice, with no separate figure | Varies by content; no separate figure in the cited table | 8 Mbps |
Netflix’s current speed guidance says its figures apply to a stable connection and includes live events in its general advice; the page does not display a publication year and was accessed in 2026. Netflix’s recommended internet connection speed. YouTube labels its figures approximate sustained speeds; playback modes and device can affect availability. YouTube video quality and buffering. Disney+’s speed guidance is US-facing and dated September 30, 2024. Disney+ internet connection recommendations.
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Do not treat one service’s figure as a universal requirement. For instance, the cited 4K guidance ranges from Netflix’s 15 Mbps to Disney+ US’s 25 Mbps. A service’s recommendation is a planning benchmark, not a promise of uninterrupted playback.
How to estimate speed for multiple streams
Start with the recommendation for the service and resolution each person is watching, then add the concurrent streams. For example, two 1080p YouTube streams use a starting estimate of about 10 Mbps combined (5 Mbps each); that does not include gaming, video calls, downloads, or other household traffic.
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- List the streams likely to play at the same time and their resolutions.
- Use the relevant service’s per-stream recommendation from the table and add the figures.
- Account for other internet use and normal variation by choosing a plan with capacity beyond that subtotal.
- If playback still buffers, check the actual connection near the device and the local Wi-Fi conditions rather than assuming the plan speed is the only factor.
The official guidance cited here does not establish a universal household multiplier or a guaranteed extra percentage. How much spare capacity you need depends on what else uses the connection and how consistently your network delivers its advertised speed.
How much data does streaming use per hour?
Mbps and GB per hour answer different questions: Mbps is a rate at a point in time, while GB per hour estimates how much data viewing consumes. Hourly use varies with playback quality, settings, and device, so do not convert a speed recommendation directly into a data allowance.
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Netflix estimates by playback setting
Netflix’s published estimates for one device on its high data-use setting are up to 1 GB per hour for SD, up to 3 GB per hour for HD, and up to 7 GB per hour for 4K UHD. Its low setting uses up to 0.3 GB per hour, and medium uses up to 0.7 GB per hour. Actual use depends on playback quality and settings; the help page does not display a publication year and was accessed in 2026. Netflix data usage.
Disney+ estimates vary by device and setting
Disney+’s UK help guidance, published June 29, 2026, reports approximately 7.7 GB per hour for automatic 4K UHD on a smart TV or TV-connected device, 2 GB per hour for moderate 1080p, and 0.7 GB per hour for save-data SD. The same page gives different figures for mobile devices and web browsers and says computer browsers are limited to 720p HD in the described configuration. These are Disney+ estimates for that guidance, not a universal conversion table. Disney+ data usage.
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To estimate a monthly cap, multiply the hours you expect to watch by the service’s estimate for the quality and device settings you actually use. If your viewing switches between devices or quality levels, estimate each portion separately.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What to check when speed seems sufficient but video buffers
A nominally adequate internet plan does not rule out a weak Wi-Fi link, competing devices, or an ISP outage. Disney+ lists these among possible causes and recommends practical connection checks. Disney+ video troubleshooting.
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- Weak Wi-Fi at the player: Move closer to the router or Wi-Fi source. Disney+ advises: “If you’re using a wireless connection, move your device closer to the Wi-Fi source”.
- Other activity using the connection: Close other apps or pause large downloads, then check whether playback improves.
- Device or network equipment needs a restart: Power the streaming device and network equipment off and on, then test again.
- Wireless interference or instability: If possible, temporarily connect the TV or streaming device directly to the router with Ethernet to see whether the wired connection is steadier. Ethernet is a diagnostic option; it does not increase the speed included in your internet plan.
- Possible ISP outage: Check whether other devices and services are affected and contact your provider if the connection itself appears unavailable.
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