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Free tool · Work-from-anywhere connectivity

How much internet speed do you actually need?

Set how many calls, streams, and people are online at the same time, pick the quality, and this tool gives you two numbers: a recommended download speed and a recommended upload speed. The upload one is the number that decides whether a hotspot or Starlink can actually carry your video calls.

Read first: this is a planning estimate built on the recommended-bandwidth figures Zoom, Microsoft, Google, Netflix, and the FCC publish. Those are conservative targets with headroom, not hard minimums, and real call quality also depends on latency and jitter, which a speed number does not capture. Cellular and Starlink speeds vary a lot by location, time of day, and congestion. Use these numbers to plan and shop, then confirm with a real speed test from where you work. It is not a measurement of your connection.

Worked example

One HD video call plus one person browsing and one HD stream at once needs about 16 Mbps download but only about 5 Mbps upload after 30 percent headroom; add a second simultaneous HD call and the upload jumps to roughly 10 Mbps, right at the edge of Starlink's 19 Mbps median, where a hotspot or satellite link runs out of room first. Upload, not download, is the number that bites.

How it's calculated: Recommended download and upload (kept separate) = sum of each concurrent stream's per-stream Mbps x headroom (1.3 default); a one-to-one HD call counts 3.0 Mbps down and 3.8 Mbps up.

Your busiest moment

Set how many of each run at the same time at your peak. The two quality menus below set the call and streaming rates. Speed is about the busiest minute, not the daily total.

Activity At once
the upload side is what bites on a rig; the quality menu below sets the rate
general web, email, and work tools, about 5 Mbps each, download only
a second screen or someone watching; the quality menu sets the rate, download only
tiny next to video, about 0.3 Mbps each
upload-bound; set 1 if a backup or file sync runs during your busy window

A planning estimate from published recommended-bandwidth figures. Real call quality also depends on latency and jitter, so test on your actual connection.

How the speed math works

The calculator above is just this method applied to the activities you set. You can run it by hand.

Step 1: Add up everything running at the same time

Speed is about the busiest moment, not the whole day. Count how many video calls, video streams, and people are online at the same time, then add up each one's bandwidth. Two people both on HD calls need roughly twice one call's bandwidth. The peak simultaneous load, not your average use, is what your connection has to carry, so plan around the worst minute of the workday.

Step 2: Work out download and upload separately, because they are not the same number

This is the part generic speed calculators skip. Almost every connection, cable, cellular, and Starlink alike, is asymmetric: far more download than upload. Streaming and the video you receive on a call are download. But your own camera feed on a call, and any cloud backup or file sync, are upload. So you get two totals. The download total is usually easy. The upload total is the one a hotspot or Starlink can fail to deliver, which is why we show it on its own.

Step 3: Add headroom, and remember speed is not the whole story

Real connections lose some capacity to overhead, retransmits, and background apps like operating-system updates and cloud sync, so add roughly 30 percent on top of the raw total. And raw megabits are not the full picture for calls: latency and jitter matter too. A satellite or congested cellular link can hit the speed targets and still stutter on a video call because the delay is high or uneven. Use the numbers below as targets with headroom, then confirm on a real speed test from where you actually work.

Speed needed per activity, download and upload

Typical figures the tool starts from, drawn from the providers' own published recommended speeds (Zoom, Microsoft, Google, Netflix) and the FCC. Notice the upload column: only video calls and cloud uploads need meaningful upload, and on a rig that is the column that decides everything.

Activity (per concurrent stream) Download Upload
Video call, standard (SD) 1.5 Mbps 1.5 Mbps
Video call, HD 1080p (typical) 3 Mbps 3.8 Mbps
Video call, HD group 4 Mbps 3.8 Mbps
Video stream, SD 3 Mbps 0
Video stream, HD 1080p 5 Mbps 0
Video stream, 4K 15 Mbps 0
Web browsing and work apps (per person) 5 Mbps near 0
Music streaming (per stream) 0.3 Mbps 0
Cloud backup or large upload (while running) 0 10 Mbps

The FCC's broadband benchmark is 100 Mbps download and 20 Mbps upload. Several rig connections clear the download but miss the upload: Starlink's median upload is around 19 Mbps, and a throttled hotspot can be in the low single digits.

Getting that speed on the road? Here is the gear

Once you know your download and upload targets, the next question is how to get them reliably from a van, RV, or boat. A travel router shares and secures one connection across your devices; for getting online off-grid, cellular and Starlink are the options. If you also want to know how many gigabytes a month that adds up to, the Mobile Data Usage Calculator is the companion to this one: that one does volume, this one does speed.

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Common questions

How much internet speed do I need to work from home?

For one person doing video calls, browsing, and the occasional stream, plan for roughly 20 to 25 Mbps download and at least 5 Mbps upload, which comfortably covers an HD call with headroom. The FCC defines real broadband as 100 Mbps download and 20 Mbps upload, a good target for a household where several people are online at once. The figure that gets overlooked is upload: a single connection can have plenty of download and still struggle on calls if its upload is thin, which is common on hotspots and satellite. The calculator above gives you both numbers for your actual setup.

How much upload speed do I need for video calls?

Roughly 1.5 Mbps upload for a standard-definition call and about 3.5 to 4 Mbps upload for an HD 1080p call, per concurrent call, based on Zoom's, Teams', and Google Meet's own published figures. Google Meet enforces a hard floor of 1 Mbps outbound per participant. Upload matters because you send your own camera feed in real time, and on most connections upload is far slower than download. So on a hotspot or Starlink, upload is usually the limit you hit first, not download. If two people are on HD calls at once, double it to roughly 8 Mbps upload.

How much speed do I need for Zoom or a video call?

A one-to-one HD Zoom call needs about 3 Mbps download and 3.8 Mbps upload, by Zoom's published bandwidth figures, and a standard call needs about 1.5 Mbps each way. Notice that Zoom asks for more upload than download at HD, which is the opposite of how people think about internet speed. Group calls lean a little more on download because you receive several video streams, but the upload requirement stays high because you are still sending one. Plan around the upload number, since that is the one a mobile or satellite connection is most likely to miss.

How much speed do I need for Netflix or 4K streaming?

Netflix recommends about 5 Mbps for HD 1080p and 15 Mbps for 4K, and YouTube is similar at roughly 5 Mbps for 1080p and 20 Mbps for 4K, all download and effectively no upload. The FCC lists 25 Mbps as its own 4K guideline, so the exact 4K number varies by source. Streaming is the most download-heavy thing most people do, but it uses almost no upload, which is why a connection can stream 4K flawlessly and still stutter on a video call. If your download target looks large, streaming quality is usually the lever.

Is Starlink fast enough for video calls?

For a single HD video call, usually yes: Starlink's median download is around 100 to 120 Mbps and its latency, roughly 30 to 45 milliseconds, sits in the workable range for calls. The catch is upload and consistency. Starlink's median upload is only about 19 Mbps, well below its download, and by Ookla's 2025 measurements a large share of Starlink users still miss the FCC's broadband minimums, with upload being the harder of the two to hit. A single 1080p call fits comfortably, but several simultaneous calls or a heavy cloud sync can saturate the upload, and occasional latency spikes can cause a call to drop or freeze. It is solid for one worker and gets tight for a busy multi-person rig.

How much speed do I need for a household or rig with several people?

Add up the busiest moment: count the simultaneous calls, streams, and people working, sum the download needs and the upload needs separately, then add about 30 percent. As a rough guide, two people each on an HD call while a third streams HD comes to roughly 20 Mbps download and 8 Mbps upload after headroom. The FCC's 100 down by 20 up benchmark is a sensible target for a fixed multi-person connection. On a rig, the question is almost always whether the upload total clears, because that is where cellular and satellite connections run out of room first.

Why do my video calls lag when my speed test looks fine?

Because a speed test reports raw throughput, mostly download, and hides the things calls actually depend on: latency, jitter, packet loss, and sustained upload while everything else is running. Microsoft's own call-quality spec wants round-trip time under 60 milliseconds, jitter under 3, and packet loss under half a percent for a good call. A satellite or congested cellular link can show a big megabit number and still deliver high or uneven delay, which is what makes a call freeze or talk over itself. As Cloudflare puts it, a high throughput score does not necessarily mean a high-quality experience. If calls lag despite a fast test, look at latency and upload-under-load, not the headline speed.

Disclaimer

This calculator is provided for general informational and educational purposes only and gives a planning estimate based on the recommended-bandwidth figures published by Zoom, Microsoft, Google, Netflix, and the FCC, current as of 2026. Those figures are conservative targets, not hard minimums, and real-world call and streaming quality also depends on latency, jitter, packet loss, and how your connection behaves under load, none of which a single speed number captures. Cellular and satellite speeds vary substantially by location, time of day, obstructions, congestion, and plan. This is not a measurement of your connection, which a real speed test reports directly, and it is not a guarantee of what any connection or plan will deliver. Confirm your needs against a live speed test before relying on a connection for work. We make no warranty as to accuracy or fitness for any particular purpose. Last reviewed June 2026.

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