How Much Data Does YouTube Use?
YouTube data usage varies enormously by quality setting. Here's a complete breakdown — and why it adds up faster than most parents expect.
YouTube data usage by quality
| Quality | Per hour | 1hr/day monthly |
|---|---|---|
| 360p (low) | ~300MB | ~9GB |
| 480p (standard) | ~700MB | ~21GB |
| 720p HD | ~1.5GB | ~45GB |
| 1080p Full HD | ~3GB | ~90GB |
| 4K Ultra HD | ~7GB | ~210GB |
Most phones default to the highest quality available. On a 5G connection, YouTube will often stream at 1080p or higher — using 3GB or more per hour.
How much data does YouTube Shorts use?
YouTube Shorts behaves similarly to TikTok — short videos auto-play continuously. Shorts typically use around 500MB–1GB per hour of scrolling, similar to TikTok.
How to reduce YouTube data usage
- Set quality manually — tap the three dots on any video → Quality → choose 480p or lower.
- Enable Data Saving mode — YouTube Settings → Data Saving → on. Forces lower quality automatically.
- Download on Wi-Fi — YouTube Premium allows offline downloads. Use Wi-Fi at home to download videos for later.
- Watch on Wi-Fi — the simplest fix. Remind kids to check they're on Wi-Fi before watching.
Even at 480p, an hour of YouTube per day adds up to 21GB per month. Unlimited data is the only way to guarantee no bill shock.
Frequently asked questions
YouTube uses approximately 300MB per hour at 360p, 1.5GB at 720p HD, and up to 7GB per hour at 4K. Most phones default to HD or higher.
Yes, audio continues to stream in the background (with YouTube Premium). This uses less data than video — approximately 50–100MB per hour — but it still counts.
YouTube ads are video and use approximately the same amount of data as the content itself. They're included in the per-hour estimates above.