This article is part of our guide Streaming IPTV on Android Phones and Tablets: A Complete Guide.
Streaming on Wi-Fi at home rarely makes anyone think about data. On a mobile plan, it is a different story: video is the single biggest consumer of mobile data. This article gives rule-of-thumb figures, shows how to estimate your own usage and lists practical ways to save data.
Typical data use per hour
Exact usage depends on the stream's bitrate, which varies between services and channels. The following ranges are commonly quoted estimates for one stream:
| Quality | Approximate data per hour |
|---|---|
| Standard definition (SD) | around 0.7–1 GB |
| High definition (HD, 720p–1080p) | around 1.5–3 GB |
| Ultra HD (4K) | around 7 GB or more |
Large streaming services publish similar estimates; for example, Netflix's help centre explains how much data its streams use. Live TV streams can use more than on-demand video at the same resolution, depending on how they are encoded.
How to estimate your own usage
Data use follows directly from bitrate. A handy conversion:
GB per hour ≈ bitrate in Mbps × 0.45
For example, a stream at 5 Mbps uses roughly 5 × 0.45 ≈ 2.25 GB per hour. Some players show the current bitrate in a "stream info" or "statistics" panel.
You can also measure real usage: note the figure in your phone's data usage screen, watch for 15 minutes, check again and multiply the difference by four.
Ways to save mobile data
Use Wi-Fi whenever you can
Connect to trusted Wi-Fi at home, at work or at friends' homes. Be careful with public Wi-Fi; see our account security tips.
Choose a lower quality
If your player or the service offers several quality levels, choose a lower one on mobile. On a phone screen, the difference between HD and SD is often less noticeable than on a TV.
Download for offline viewing where supported
Some services let you download on-demand content on Wi-Fi to watch later. This depends on the service; live channels usually cannot be downloaded.
Set a data warning
On Android, open Settings → Network & internet → Data usage (names vary) and set a warning or limit. On iPhone, check usage under Settings → Mobile Data (or Cellular), where you can also switch off mobile data for specific apps.
Watch out for background use
Close the player when you are done. Some apps keep downloading guide data or thumbnails in the background.
Planning for a trip
Before travelling, estimate your viewing time and multiply by the per-hour figure for the quality you plan to use. Ten hours of HD at around 2–3 GB per hour could use 20–30 GB — more than many mobile plans include. Also check roaming rules, as data abroad may be charged differently.
Worked example: a week of viewing on mobile data
Using the conversion above, a stream at about 5 Mbps uses roughly 2.25 GB per hour. For a week of viewing:
| Daily viewing | Quality (approx. bitrate) | Estimated data per week |
|---|---|---|
| 1 hour | HD (~5 Mbps) | around 16 GB |
| 1 hour | SD (~2 Mbps) | around 6 GB |
| 30 minutes | HD (~5 Mbps) | around 8 GB |
These are estimates; real usage depends on the stream. If you would rather watch on the TV without using your phone's data, cast to the TV so it streams over its own connection.
Frequently asked questions
Does streaming in the background use data?
Yes, if audio or video keeps playing, or if the app keeps downloading guide data. Close the app completely to stop it.
Does casting to a TV use my phone's data?
Casting usually does not, because the TV streams over its own connection. Screen mirroring does, if your phone is not on Wi-Fi. See casting from Android to a TV.
Is 4K worth it on a phone?
Rarely. The screen is too small for most people to notice the difference, and data use is much higher.
Keeping data use under control
Expect roughly 1 GB per hour for SD, 1.5–3 GB for HD and around 7 GB or more for 4K. Use Wi-Fi when possible, pick lower quality on mobile and set a data warning. For more mobile tips, see streaming IPTV on Android.