Convert Megabytes to Gigabytes
Convert MB to GB by dividing by 1024. Covers mobile data plans, app sizes, cloud storage quotas, and bandwidth calculations for developers.
Data Size
Detailed Explanation
Megabytes to Gigabytes Conversion
Using binary prefixes:
gigabytes = megabytes ÷ 1024
Quick Reference Table
| MB | GB | Context |
|---|---|---|
| 100 | 0.0977 | Small app or photo album |
| 256 | 0.25 | Medium app |
| 500 | 0.4883 | Large app or game |
| 1024 | 1 | Exactly 1 GB |
| 2048 | 2 | HD movie |
| 4096 | 4 | 4K movie |
| 5120 | 5 | Common mobile data plan |
| 10240 | 10 | Large mobile data plan |
| 51200 | 50 | Cloud storage tier |
Mobile Data Context
Understanding MB-to-GB conversion helps manage mobile data usage:
| Activity (1 hour) | Data used | In GB |
|---|---|---|
| Web browsing | ~60 MB | ~0.06 |
| Social media | ~150 MB | ~0.15 |
| Music streaming | ~75 MB | ~0.07 |
| SD video streaming | ~700 MB | ~0.68 |
| HD video streaming | ~3000 MB | ~2.93 |
| 4K video streaming | ~7000 MB | ~6.84 |
Cloud Storage Tiers
Cloud providers typically advertise in GB:
- Google Drive free: 15 GB (15,360 MB)
- Dropbox free: 2 GB (2,048 MB)
- iCloud free: 5 GB (5,120 MB)
- AWS S3 free tier: 5 GB (5,120 MB)
Bandwidth Calculations
When calculating download times:
Time (seconds) = File size (MB) ÷ Speed (MB/s)
A 100 Mbps connection delivers about 12.5 MB/s (megabytes per second), because 1 byte = 8 bits. A 1 GB file (1024 MB) would take approximately 82 seconds at this speed.
Use Case
A mobile app developer needs to understand how their 250 MB app download affects users on limited data plans by converting the size to a fraction of typical monthly GB allowances.