What is a good internet speed?
The honest answer: far less than the ads suggest for one person — and more than you think for a busy household. Here are the real numbers.
What each activity actually uses
Web browsing and email are light: 1–5 Mbps feels instant. Music streaming needs less than 1 Mbps. HD video (1080p) uses about 5–8 Mbps per stream, and 4K streaming uses roughly 15–25 Mbps per stream depending on the service.
Video calls are modest but two-directional: a 1080p call wants about 3–4 Mbps in both directions — and it is the upload side that most home plans skimp on. Online gaming is famously light on bandwidth (often under 1 Mbps) but brutally sensitive to latency and jitter.
The heavyweights are downloads and backups: modern games ship at 50–150 GB, and cloud photo or laptop backups can saturate your upload for hours.
Do the household math
Speeds add up across people and devices using the line at the same moment. Two 4K streams, a video call and a game update running together can consume 60–80 Mbps on their own.
A useful rule of thumb: 25 Mbps is comfortable for one light user; 100 Mbps covers a couple who stream in 4K; 200–500 Mbps fits a family or a shared flat; a gigabit is genuine luxury that mostly shortens big downloads.
Upload deserves separate attention. If anyone in the house works on video calls, uploads content, or backs up to the cloud, aim for at least 10–20 Mbps up — asymmetric plans with 5 Mbps upload are the most common source of "our internet is fast but calls are terrible".
Speed is only half the story
Two connections with identical Mbps can feel completely different. The difference is responsiveness: idle latency (how quickly a round trip completes) and — more important — how much that latency grows when the line is busy, an effect called bufferbloat.
A 100 Mbps line with 15 ms latency and grade-A bufferbloat feels snappier for calls and gaming than a gigabit line that balloons to 500 ms whenever someone downloads. When you test, look at the loaded-latency numbers, not just the big ones.
How to check what you really get
Test on a cable if you can, at different times of day — evening congestion is real on shared technologies. Compare the result against your plan, and remember that Wi-Fi, VPNs and busy devices all lower the number before your ISP is to blame.
Our test also grades your connection per activity — streaming, calls, gaming — so you can skip the math entirely.