UnitConMegabytes to Gigabytes Converter
Convert megabytes to gigabytes when estimating storage needs for photos, videos, and documents, gauging download sizes, or comparing cloud storage plan tiers.
Formula
Divide megabytes by 1000 to get gigabytes (decimal). To reverse, multiply gigabytes by 1000 to get megabytes.
Quick reference
| Megabyte (MB) | Gigabyte (GB) |
|---|---|
| 100 | 0.1 |
| 256 | 0.256 |
| 500 | 0.5 |
| 750 | 0.75 |
| 1000 | 1 |
| 2000 | 2 |
| 4000 | 4 |
| 8000 | 8 |
| 16000 | 16 |
| 32000 | 32 |
About these units
Megabyte
The megabyte was the standard file size unit for most of the personal computing era (1980s–2000s). As storage grew, files and drives migrated to gigabyte scale.
Gigabyte
The gigabyte became the dominant storage unit with the rise of DVDs (4.7 GB), broadband internet, and multi-gigabyte smartphones and hard drives in the 2000s.
Frequently asked questions
500 ÷ 1000 = 0.5 GB.
In decimal convention, yes. In binary convention, 1 GiB = 1024 MiB.
A 4K video typically uses 100-400 MB per minute depending on codec and quality.