Media listening guides

Estimate internet-radio data use before a long listening session

Use a transparent calculation, then compare it with your device's measured usage.

Open radio directory

The calculation and its assumptions

For a constant bitrate expressed in decimal kilobits per second, estimated megabytes equal bitrate × seconds ÷ 8,000. There are eight bits in a byte; using seconds keeps the units consistent. This calculation covers the encoded audio at the stated rate, not the entire webpage or a mobile bill. Treat it as a planning example rather than a promise about a specific station. A bitrate shown in community metadata may be missing or out of date; the Radio Browser documentation describes technical fields separately from station identity.

Illustrative one-hour audio totals

  • 64 kbps: 28.8 MB of encoded audio.
  • 128 kbps: 57.6 MB of encoded audio.
  • 192 kbps: 86.4 MB of encoded audio.
  • 256 kbps: 115.2 MB of encoded audio.

These are arithmetic examples, not measured PocketWorld sessions or claims that a broadcaster offers those options. Thirty minutes at 128 kbps would be half the one-hour amount: 28.8 MB before other traffic. A video channel is not an audio-only substitute for this calculation, even if you are mainly listening to it.

Measure the whole session separately

Note your device's relevant data counter before and after a short listening test, with unrelated transfers paused if practical. Keep the connection type and elapsed time in your notes. Page assets, advertisements, retries and other network activity can make the total differ from the audio calculation. A buffering player that repeatedly reconnects also does not behave like the simple constant-rate example. Do not scale a noisy five-minute measurement into a precise monthly bill without acknowledging these differences.

Choose a listening routine deliberately

Start the station you want and stop playback when finished. Muting sound is not the same action as stopping a stream. Browser autoplay preferences can help you control when media begins; Firefox explains its site-level controls. PocketWorld's directory can help discover radio, but it does not quote your carrier's tariff or impose a universal per-hour data total. For a limited allowance, check the device's actual usage and your provider's accounting rather than relying solely on a station label.

Data sources

Publisher and technical references are linked beside the explanations. PocketWorld is an independent directory; these guides do not imply broadcaster affiliation or guarantee playback availability.