Phone tool
Mobile Data Usage Calculator
Estimate how much mobile data your everyday activities may use each month. Every number is approximate, so use the result as a planning guide rather than a carrier guarantee.
How we estimate
Defaults are maintained in one editable configuration file. Each activity is converted to a 30-day month, with weekly hours divided across seven days.
| Activity | Default | Reviewed |
|---|---|---|
| Video streaming | Approximate typical rate | 2026-01-01 |
| Music streaming | Approximate typical rate | 2026-01-01 |
| Video calls | Approximate typical rate | 2026-01-01 |
| Voice calls over the internet | Approximate typical rate | 2026-01-01 |
| Social media scrolling | Approximate typical rate | 2026-01-01 |
| Short-video apps | Approximate typical rate | 2026-01-01 |
| Web browsing | Approximate typical rate | 2026-01-01 |
| Approximate typical rate | 2026-01-01 | |
| Messaging with photos | Approximate typical rate | 2026-01-01 |
| Navigation / maps | Approximate typical rate | 2026-01-01 |
| Online gaming (casual) | Approximate typical rate | 2026-01-01 |
| Online gaming (competitive) | Approximate typical rate | 2026-01-01 |
| App downloads and system updates | 5 GB/month | 2026-01-01 |
| Cloud backup / photo sync | 5 GB/month | 2026-01-01 |
Tips to use less data
- Use Wi-Fi for large downloads, backups and system updates.
- Try data saver modes and lower video quality when mobile.
- Download music, maps and shows for offline use.
- Review app auto-update and photo-sync settings.
Frequently asked questions
How much data does HD video use?
The calculator uses an approximate typical HD rate from the shared assumptions file. Real usage varies by app, stream and settings.
Can I share my estimate?
Yes. The selected inputs are encoded in the URL so a recipient can open the same estimate in their browser.
Are these carrier-accurate figures?
No. They are planning estimates only and do not represent a guarantee from your carrier or an app provider.