Gigabytes to Megabits conversion

Note: Above conversion to Mb is base 10 decimal unit. If you want to use base 2 (binary unit) use Gigabytes to Mebibits (GB to Mib) (which results to 7629.39453125 Mib). See the difference between decimal (Metric) and binary prefixes

Gigabytes to Megabits conversion table

Gigabytes (GB)Megabits (Mb)
00
18000
216000
324000
432000
540000
648000
756000
864000
972000
1080000
20160000
30240000
40320000
50400000
60480000
70560000
80640000
90720000
100800000
10008000000

How to convert gigabytes to megabits?

To convert gigabytes (GB) to megabits (Mb), we need to know two things:

  1. The relationship between bytes and bits.
  2. The base we'll be using for the conversion—base 10 (decimal) or base 2 (binary).

Conversion Formula

1 byte (B) = 8 bits (b)

So, our task is to go from gigabytes to bytes, and then from bytes to bits.

Base 10 (Decimal) Conversion

1 GB (base 10) = 1,000,000,000 bytes

  • Convert GB to bytes: 1 GB = 1,000,000,000 bytes

  • Convert bytes to bits: 1,000,000,000 bytes × 8 bits/byte = 8,000,000,000 bits

  • Convert bits to megabits: 1 megabit (Mb) = 1,000,000 bits 8,000,000,000 bits ÷ 1,000,000 bits/Mb = 8,000 megabits

So, 1 GB (base 10) = 8,000 Mb.

Base 2 (Binary) Conversion

1 GiB (base 2) = 2^30 bytes = 1,073,741,824 bytes (GiB stands for Gibibyte, the binary version of gigabyte)

  • Convert GiB to bytes: 1 GiB = 1,073,741,824 bytes

  • Convert bytes to bits: 1,073,741,824 bytes × 8 bits/byte = 8,589,934,592 bits

  • Convert bits to megabits: 1 mebibit (Mib) = 2^20 bits = 1,048,576 bits 8,589,934,592 bits ÷ 1,048,576 bits/Mib ≈ 8192 mebibits (Mib)

So, 1 GiB (base 2) ≈ 8192 Mib.

Real-World Examples

1. Video Streaming:

  • A single 1-hour Full HD (1080p) video might take up approximately 2-3 GB.
  • Base 10: 2 GB = 2 × 8,000 = 16,000 Mb
  • Base 2: 2 GiB ≈ 2 × 8192 = 16,384 Mib

2. Medium-Sized Software Installers:

  • A typical software installation file, like a game or productivity suite, might be around 4-5 GB.
  • Base 10: 4 GB = 4 × 8,000 = 32,000 Mb
  • Base 2: 4 GiB ≈ 4 × 8192 = 32,768 Mib

3. Operating System Disk Image:

  • A disk image of a modern operating system could be around 10 GB.
  • Base 10: 10 GB = 10 × 8,000 = 80,000 Mb
  • Base 2: 10 GiB ≈ 10 × 8192 = 81,920 Mib

4. Storage Devices:

  • A 1 TB (terabyte) hard drive is roughly 1,000 GB.
  • Base 10: 1,000 GB = 1,000 × 8,000 = 8,000,000 Mb
  • Base 2: 1,000 GiB ≈ 1,000 × 8192 = 8,192,000 Mib

These examples show how the conversions differ slightly depending on whether you use the base 10 or base 2 system, which is important in various storage and data transfer contexts.

See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Megabits to other unit conversions.

What is a Gigabyte?

Gigabyte, GBGB, is a unit of digital information. Giga is used as a unit prefix in metrics system. It represent a numerical value 10910^9 or 1,000,000,0001,000,000,000. List of SI prefix can be found on Wikipidia.

There are two common ways unit of information is represented. One is in decimal (base 10) form and the other is in power of 2 (binary). GigabyteGigabyte is referring to the base 10 format, unlike GigibyteGigibyte which is referring to base 2 format.

1Gigabyte=>1GB(shorthandform)1\,Gigabyte => 1\, GB\,(shorthand form)

1GB=1,000,000,000byte=109bytes1\,GB = 1,000,000,000\,byte = 10^9 bytes

More examples can be found on Stanford's Kilobytes Megabytes Gigabytes Terabytes article

What is megabits?

Megabits (Mb) is a unit of measurement used to express digital data, particularly in the context of internet connectivity and digital communication.

In simple terms, a megabit is a large amount of binary information that can be transmitted or stored digitally. Here's how it breaks down:

  • 1 bit = 0 or 1 (a single binary digit)
  • 1 kilobit (kb) = 1,000 bits
  • 1 megabit (Mb) = 1,000 kilobits (kb) = 1,000,000 bits

To put it in perspective, here are some examples of data sizes:

  • A typical image on your phone might be around 2-5 megabits ( Mb)
  • An hour-long movie at low quality could be around 10-20 gigabits (Gb), which is equivalent to tens of thousands of megabits
  • A full-length, high-definition TV show can take up hundreds of gigabytes (GB) or millions of megabits

In internet connectivity, megabits are often used to describe the maximum data transfer rate that a network connection can handle. For example:

  • DSL internet might have speeds ranging from 1-10 megabits per second (Mbps)
  • Cable internet may offer speeds up to 100 Mbps or more
  • Fiber-optic connections can reach speeds of 1 gigabit per second (Gbps), which is equivalent to 1,000 Mbps

In summary, megabits are a measure of digital data and are often used in the context of internet connectivity, storage capacity, and digital communication.

Complete Gigabytes conversion table

Enter # of Gigabytes
Convert 1 GB to other unitsResult
Gigabytes to Bits (GB to b)8000000000
Gigabytes to Kilobits (GB to Kb)8000000
Gigabytes to Kibibits (GB to Kib)7812500
Gigabytes to Megabits (GB to Mb)8000
Gigabytes to Mebibits (GB to Mib)7629.39453125
Gigabytes to Gigabits (GB to Gb)8
Gigabytes to Gibibits (GB to Gib)7.4505805969238
Gigabytes to Terabits (GB to Tb)0.008
Gigabytes to Tebibits (GB to Tib)0.007275957614183
Gigabytes to Bytes (GB to B)1000000000
Gigabytes to Kilobytes (GB to KB)1000000
Gigabytes to Kibibytes (GB to KiB)976562.5
Gigabytes to Megabytes (GB to MB)1000
Gigabytes to Mebibytes (GB to MiB)953.67431640625
Gigabytes to Gibibytes (GB to GiB)0.9313225746155
Gigabytes to Terabytes (GB to TB)0.001
Gigabytes to Tebibytes (GB to TiB)0.0009094947017729