Gigabytes to Megabytes (GB to MB) Converter
1 gigabyte (GB) = 1,024 megabytes (MB). To convert gigabytes to megabytes, multiply by 1,024: 128 GB × 1,024 = 131,072 MB.
Quick facts
- 1 GB = 1,024 MB
- 1 MB = 0.000976563 GB
- Formula: MB = GB × 1,024
- Quick estimate: multiply by about 1024
How to convert gigabytes to megabytes
- Take the value in gigabytes.
- Multiply it by 1,024 (the number of megabytes in one gigabyte).
- Round the result to the precision you need.
Worked example (a phone's storage): 128 GB × 1,024 = 131072 MB.
To convert megabytes back to gigabytes, multiply by 0.000976563, or divide by 1,024.
Source: IEC 80000-13 for binary (1,024-based) and decimal (1,000-based) prefixes; this site uses the binary convention shown in each definition.
Gigabytes to Megabytes conversion table
| Gigabytes [GB] | Megabytes [MB] |
|---|---|
| 0.001 GB | 1.024 MB |
| 0.01 GB | 10.24 MB |
| 0.1 GB | 102.4 MB |
| 0.5 GB | 512 MB |
| 1 GB | 1024 MB |
| 2 GB | 2048 MB |
| 5 GB | 5120 MB |
| 10 GB | 10240 MB |
GB to MB chart from 1 to 100
- 1 GB 1024 MB
- 2 GB 2048 MB
- 3 GB 3072 MB
- 4 GB 4096 MB
- 5 GB 5120 MB
- 6 GB 6144 MB
- 7 GB 7168 MB
- 8 GB 8192 MB
- 9 GB 9216 MB
- 10 GB 10240 MB
- 11 GB 11264 MB
- 12 GB 12288 MB
- 13 GB 13312 MB
- 14 GB 14336 MB
- 15 GB 15360 MB
- 16 GB 16384 MB
- 17 GB 17408 MB
- 18 GB 18432 MB
- 19 GB 19456 MB
- 20 GB 20480 MB
- 25 GB 25600 MB
- 30 GB 30720 MB
- 35 GB 35840 MB
- 40 GB 40960 MB
- 45 GB 46080 MB
- 50 GB 51200 MB
- 55 GB 56320 MB
- 60 GB 61440 MB
- 65 GB 66560 MB
- 70 GB 71680 MB
- 75 GB 76800 MB
- 80 GB 81920 MB
- 85 GB 87040 MB
- 90 GB 92160 MB
- 95 GB 97280 MB
- 100 GB 102400 MB
Megabytes to Gigabytes conversion table
| Megabytes [MB] | Gigabytes [GB] |
|---|---|
| 1 MB | 0.0009765625 GB |
| 10 MB | 0.009765625 GB |
| 100 MB | 0.09765625 GB |
| 1000 MB | 0.9765625 GB |
| 10000 MB | 9.765625 GB |
| 100000 MB | 97.65625 GB |
| 1000000 MB | 976.5625 GB |
Gigabytes vs Megabytes
| Gigabyte | Megabyte | |
|---|---|---|
| Symbol | GB | MB |
| Equals | 1 GB = 1,024 MB | 1 MB = 0.000976563 GB |
What is a gigabyte?
Equal to 1,024 megabytes (2^30 bytes, the binary convention; drive makers use 10^9 bytes, formally written GiB for the binary value). Used for phone storage, RAM, and video files.
What is a megabyte?
Equal to 1,024 kilobytes. Used for photos, songs, and documents.
Frequently asked questions
How many megabytes are in a gigabyte?
There are 1,024 megabytes in 1 gigabyte (1 GB = 1024 MB).
How many gigabytes are in a megabyte?
There are 0.000976563 gigabytes in 1 megabyte (1 MB = 0.0009765625 GB).
How do I convert gigabytes to megabytes?
Multiply the number of gigabytes by 1,024. For example, 10 GB × 1,024 = 10,240 MB. To convert back, multiply by 0.000976563.
What is 10 GB in megabytes?
10 GB = 10,240 MB.
What is 100 GB in megabytes?
100 GB = 102,400 MB.
Is the conversion exact?
Yes. The factor comes from the official definitions of both units (IEC 80000-13 for binary (1,024-based) and decimal (1,000-based) prefixes; this site uses the binary convention shown in each definition). Results are shown to up to 10 decimal places; round them to suit your purpose.
Related conversions
Popular data storage conversions
- Megabytes to Gigabytes
- Terabytes to Gigabytes
- Gigabytes to Terabytes
- Megabytes to Kilobytes
- Kilobytes to Bytes
- Bytes to Bits
- Bits to Bytes
- Gigabytes to Kilobytes
Convert gigabytes to other units
Convert other units to megabytes
Open the full data storage converter with every unit →