Convert Mbit to GB
Megabits to gigabytes. Enter a value to convert, or use the Mbit to GB chart further down the page.
1 megabit equals 0.0001220703125 gigabytes. Going the other way, 1 gigabyte = 8,192 megabits.
Note. This converter uses the binary convention: 1 KB = 1024 bytes, 1 MB = 1024 KB, 1 GB = 1024 MB. That is what Windows, macOS and Linux report. Storage manufacturers instead use decimal SI units where 1 GB = 1,000,000,000 bytes, which is why a “1 TB” drive shows up as about 931 GB.
How to convert Mbit to GB
To convert megabits to gigabytes, multiply the megabit value by 0.0001220703125. You can also divide by 8192 to get the same answer.
GB = Mb × 0.0001220703125
Worked example
Convert 8 Mb to gigabytes:
8 Mb = 0.0009765625 GB
Mbit to GB conversion chart
Use this Mbit to GB table for quick reference without typing anything.
| megabits (Mb) | gigabytes (GB) |
|---|---|
| 1 Mb | 0.0001220703125 GB |
| 2 Mb | 0.000244140625 GB |
| 4 Mb | 0.00048828125 GB |
| 8 Mb | 0.0009765625 GB |
| 16 Mb | 0.001953125 GB |
| 32 Mb | 0.00390625 GB |
| 64 Mb | 0.0078125 GB |
| 128 Mb | 0.015625 GB |
| 256 Mb | 0.03125 GB |
| 512 Mb | 0.0625 GB |
| 1,024 Mb | 0.125 GB |
What is a megabit?
A megabit is 1,024 kilobits, or 131,072 bytes. Connection speeds are quoted in megabits while file sizes are quoted in megabytes, which is why a download runs at about an eighth of the advertised number.
What is a gigabyte?
A gigabyte is 1,024 megabytes, or 1,073,741,824 bytes, under the binary convention.
Frequently asked questions
How many GB are in a megabit?
1 Mbit equals 0.0001220703125 GB. Going the other way, 1 GB is 8,192 Mbit.
How do you convert Mbit to GB?
To convert megabits to gigabytes, multiply the megabit value by 0.0001220703125. You can also divide by 8192 to get the same answer.
What is 10 Mbit in GB?
10 Mbit equals 0.001220703125 GB. The conversion chart on this page lists the other values people look up most often.
Related data storage conversions
Convert Mbit to other units
Convert other units to GB
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