Gigabits to Gigabytes Converter
Enter the data size in gigabits below to convert it to gigabytes.
Convert Gigabits to Gigabytes
Enter a value in gigabits (Gb) to convert to gigabytes (GB).
Gigabit to Gigabyte Conversion Table
Table showing various gigabit measurements converted to gigabytes. Click any preset value or arrow to load it into the converter.
How to Convert Gigabits to Gigabytes
To convert gigabits to gigabytes, multiply the data size by the following conversion ratio: 0.125 gigabytes/gigabit.
Since one gigabit is equal to 0.125 gigabytes, you can use this simple formula to convert:
The data size in gigabytes is equal to the data size in gigabits multiplied by 0.125.
For example, here's how to convert 5 gigabits to gigabytes using the formula above.
How Many Gigabytes Are in a Gigabit?
There are 0.125 gigabytes in a gigabit, which is why we use this value in the formula above.
Our gigabit to gigabyte calculator automatically converts your data size measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Gigabits and gigabytes are both units used to measure data size. Keep reading to learn more about each unit.
What Is a Gigabit?
A gigabit is a unit of data size equal to 125,000,000 bytes (B), the base unit for data size. Equal to 1,000,000,000 bits (125 MB). [1]
The gigabit is classified as a metric and SI-compatible unit of data size. Gigabits can be abbreviated as Gb; for example, 1 gigabit can be written as 1 Gb.
In the metric system, "giga" is the standard SI prefix for billions, or 10⁹. This makes the gigabit (Gb) a convenient decimal multiple of the byte (B).
In practice, gigabits (Gb) are widely used across large-scale industrial, bulk, and macro-level data size specifications within SI metric workflows, engineering documentation, and technical data sheets.
What Is a Gigabyte?
A gigabyte is a unit of data size equal to 1,000,000,000 bytes (B), the base unit for data size. SI decimal standard: 1,000,000,000 bytes. [2]
The gigabyte is classified as a metric and SI-compatible unit of data size. Gigabytes can be abbreviated as GB; for example, 1 gigabyte can be written as 1 GB.
In the metric system, "giga" is the standard SI prefix for billions, or 10⁹. This makes the gigabyte (GB) a convenient decimal multiple of the byte (B).
In practice, gigabytes (GB) are widely used across large-scale industrial, bulk, and macro-level data size specifications within SI metric workflows, engineering documentation, and technical data sheets.
When converting data size between gigabits (Gb) and gigabytes (GB), keep full floating-point precision (1 Gb = 0.125 GB; 1 GB = 8 Gb) during intermediate calculations and round only the final gigabyte figure to match your instrument tolerance.
More Gigabit & Gigabyte Conversions
Need to calculate in the opposite direction? Use our gigabytes to gigabits calculator to switch your starting unit immediately. You can also explore related tools such as converting gigabytes to gigabits, converting megabytes to gigabytes, or converting terabytes to gigabytes.
Frequently Asked Questions
References
- [1]NIST / IEC StandardNIST / IEC (IEC 80000-13 Binary Prefixes)·Digital Storage Metrology Standard — Gigabits (Gb) to Gigabytes (GB)
- [2]BIPM SpecificationBIPM (SI Decimal Prefixes (k, M, G, T, P))·Unit Specifications: Gigabit (Gb) & Gigabyte (Decimal) (GB)
- [3]NIST CUU ReferenceNIST CUU (SI Prefixes & Decimal Multiples)·Conversion Factors & Mathematical Basis (Gb to GB)