August 2026 · 3 min read
SD streaming uses roughly 0.7-1 GB per hour. HD streaming uses approximately 1.5-3 GB per hour. 4K Ultra HD can use 7-10 GB per hour or more.
A typical 3-hour evening of HD viewing could use 4.5-9 GB of data — worth keeping in mind if you're on a limited mobile data plan rather than home broadband.
If you're watching on mobile data, switching your app's quality setting to SD or HD (rather than Auto/4K) can significantly reduce consumption without a major drop in visible quality on smaller screens.