How much data does a video call use?
About 1.2 GB an hour for a typical HD one-to-one call, dropping to roughly 0.5 GB an hour in standard definition and rising to about 2.4 GB an hour for an HD group call. An audio-only call is about 0.03 GB an hour, roughly 40 times lighter. Video calls are usually a remote worker's single biggest source of data use, so lowering the quality or switching to audio only is the most effective way to cut a monthly total. The calculator above totals this for the hours and quality you actually use.
Does video calling use a lot of data?
Yes, more than almost anything else a remote worker does during the workday. Two hours a day of HD video calls is roughly 70 to 75 GB a month on its own, which alone exceeds many phone plans' hotspot caps. The quality setting matters enormously: standard definition uses about a third of what HD does. If you spend most of your day on calls, plan your data budget around them first, and consider audio-only for calls that do not need video.
How much data does streaming use (Netflix, YouTube)?
Netflix uses about 1 GB an hour in standard definition, about 3 GB an hour in HD, and about 7 GB an hour in 4K, by its own published figures. YouTube is similar, roughly 0.6 GB an hour at 480p up to about 3 GB an hour at 1080p, and far more at 4K. Streaming is the biggest discretionary data use for most people, so if you stream in the evenings on a metered connection, set the quality to SD or HD rather than 4K, which can quietly use seven times as much.
How much data does music streaming use?
Very little. Spotify or Apple Music on a high-quality setting uses about 0.07 GB an hour, and even on a lossless setting only about 0.7 to 1 GB an hour. A full eight-hour workday of background music is well under 1 GB on the standard setting. Music is effectively a rounding error next to video calls and streaming, so it is rarely worth worrying about when you are budgeting mobile data, unless you stream lossless for many hours a day.
How much data does a hotspot use?
A hotspot itself adds nothing; it uses exactly as much data as the devices connected to it. A laptop on a video call through a hotspot uses the same data it would on any connection. The real catch is your plan's hotspot allowance: most 'unlimited' phone plans cap high-speed hotspot or tethering data at a set amount, commonly 30 to 100 GB a month, and then slow it down sharply. So the limit that bites is the hotspot cap, not your overall phone data, which is why this calculator compares your estimate to that allowance.
How much data do I need to work remotely for a month?
A light month of mostly email, browsing, and a little audio or SD calling runs about 30 to 50 GB. A typical remote-work month with around two hours a day of video calls, browsing, and some music and social use lands around 100 to 150 GB. A heavy month with daily HD calls, large file uploads, and evening streaming can be 200 GB or more. Video-call hours and quality are the main driver. Estimate yours with the calculator, then add 15 to 25 percent of headroom before choosing a plan.
What can I do with 5 GB or 50 GB of data?
Roughly, 5 GB is about 4 hours of HD video calls, or about 1.5 hours of HD streaming, or around 70 hours of music. It is a few days of light remote work, not a month. 50 GB covers a light remote-work month of calls and browsing, but only about 7 hours of HD streaming on top of that, so it disappears fast if you also stream in the evenings. For full-time remote work most people need somewhere between 100 and 200 GB a month of usable hotspot data.
Why is my 'unlimited' plan slowing down my hotspot?
Because 'unlimited' almost always applies to data used on the phone itself, not to hotspot or tethering. Carriers cap high-speed hotspot data separately, often at 30 to 100 GB a month depending on the plan, and once you pass that cap they throttle the hotspot to a much slower speed while the phone keeps full speed. For anyone working off a travel router or laptop tethered to a phone, that hotspot cap is the real monthly budget, so check it before you rely on a plan for work.