How to convert gigabytes to megabytes
Formula: MB = GB × 1,000
Worked example: 256 GB → 256 × 1,000 = 256,000 MB
Multiply gigabytes by 1,000 to get megabytes. A 2 GB monthly data plan lets you send about 400 photos of 5 MB.
Gigabytes to megabytes conversion chart
| Gigabytes (GB) | Megabytes (MB) |
|---|---|
| 1 GB | 1,000 MB |
| 2 GB | 2,000 MB |
| 3 GB | 3,000 MB |
| 4 GB | 4,000 MB |
| 5 GB | 5,000 MB |
| 8 GB | 8,000 MB |
| 10 GB | 10,000 MB |
| 16 GB | 16,000 MB |
| 20 GB | 20,000 MB |
| 25 GB | 25,000 MB |
| 32 GB | 32,000 MB |
| 50 GB | 50,000 MB |
| 64 GB | 64,000 MB |
| 100 GB | 100,000 MB |
| 128 GB | 128,000 MB |
| 250 GB | 250,000 MB |
| 256 GB | 256,000 MB |
| 500 GB | 500,000 MB |
| 512 GB | 512,000 MB |
| 1,000 GB | 1,000,000 MB |
| 1,024 GB | 1,024,000 MB |
What is a gigabyte?
The gigabyte is one billion bytes, the usual unit for phone storage, RAM and mobile data plans. An hour of HD streaming video uses roughly 1.5 to 3 GB depending on the service and quality.
What is a megabyte?
The megabyte is one million bytes. A phone photo takes 2 to 5 MB and a minute of MP3 music about 1 MB. Email attachments are often limited to 20 or 25 MB.