Stop guessing between 5GB and 10GB — calculate from how you actually use your phone.
| Activity | Per hour ≈ | Notes |
|---|---|---|
| Video | 1 GB | 720p HD; 1080p can reach 1.5–3GB |
| Social media | 0.2 GB | Autoplaying feed videos dominate |
| Web / email | 0.06 GB | |
| Maps | 0.01 GB | Offline maps save even more |
| Music | 0.06 GB | Standard quality |
| Video calls | 0.5 GB |
{"tool":"esimtrue-data-calculator","gb_per_hour":{"video":1.0,"social":0.2,"web":0.06,"maps":0.01,"music":0.06,"video_call":0.5},"hotspot_multiplier":1.6,"safety_buffer":1.25,"usage_tiers_gb_per_day":{"light":"<1","medium":"1-3","heavy":">3"},"method":"total = days * sum(hours * rate) * (hotspot ? 1.6 : 1) * 1.25"}