Byte digital storage unit.
Bytes to Gigabits Converter — B to Gb
Convert Byte (B) to Gigabit (Gb) using the exact conversion factor (1 byte = 8e-9 gigabit). See the formula, worked examples, conversion table, unit comparison, history, and common uses.
Bytes to Gigabits converter
Converter
Digital Storage Converter
Convert bits, bytes, decimal storage, binary storage, nibbles, and word sizes.
Context values
Some unit families need one extra value for a physically accurate result.
Gigabit digital storage unit.
Result = input x 8 / 1e+9.
Digital storage uses bits as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Bytes to Gigabits
Byte and Gigabit are everyday digital-storage units, used for everything from file sizes and app downloads to storage device capacity and mobile data allowances. Byte is typically associated with universal in computing, while Gigabit is typically associated with used worldwide for high-speed network ratings (fiber internet, data centers).
Formula
gigabits = bytes × 8e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 byte equals 8 base units, and 1 gigabit equals 1000000000 base units, so dividing one by the other gives the direct byte-to-gigabit factor of 8e-9.
Simple example
1 B × 8e-9 = 8e-9 Gb
1 byte = 8e-9 gigabits.
Real-world example
500 B × 8e-9 = 0.000004 Gb
500 bytes = 0.000004 gigabits.
Conversion table
| Byte (B) | Gigabit (Gb) |
|---|---|
| 1 B | 8e-9 Gb |
| 8 B | 6.4e-8 Gb |
| 16 B | 1.28e-7 Gb |
| 64 B | 5.12e-7 Gb |
| 256 B | 0.000002048 Gb |
| 1,000 B | 0.000008 Gb |
Reverse conversion: Gigabit to Byte
8e-9 Gb × 125000000 = 1 B
8e-9 gigabits = 1 byte.
bytes = gigabits × 125000000
For a page dedicated to this direction, see Gigabit to Byte.
Byte vs. Gigabit
| Aspect | Byte | Gigabit |
|---|---|---|
| Family | Base digital storage unit | Decimal (SI-prefixed) digital unit |
| Typical use | Fundamental unit for file sizes and memory addressing | Gigabit fiber internet service advertising |
| Where it's used | Universal in computing | Used worldwide for high-speed network ratings (fiber internet, data centers) |
Understanding the Byte
Byte (B) measures digital storage. A byte is 8 bits, the standard unit for addressing a single character of text in most computer architectures. It is classified as a Base digital storage unit.
Where it's used: Universal in computing
Uses of the Byte today
- Fundamental unit for file sizes and memory addressing
- Base unit from which all larger storage units (KB, MB, GB) are derived
History of the Byte
The byte emerged in the 1950s-60s as computer architectures converged on 8 bits as a practical size for representing a single character; IBM's System/360 (1964) was influential in cementing the 8-bit byte as an industry standard.
Historical origin. Byte was not the invention of a single named person; it developed through the process described above.
Understanding the Gigabit
Gigabit (Gb) measures digital storage/transfer. A gigabit is 1,000 megabits (125 megabytes) under the decimal convention used for network speeds. It is classified as a Decimal (SI-prefixed) digital unit.
Where it's used: Used worldwide for high-speed network ratings (fiber internet, data centers)
Uses of the Gigabit today
- Gigabit fiber internet service advertising
- Data center and enterprise network bandwidth
History of the Gigabit
As internet speeds crossed the 1,000 Mbps threshold with fiber-optic and enterprise networking, 'gigabit' became the standard marketing term for these connections, following the same bits-per-second convention established for slower network speeds.
Historical origin. Gigabit was not the invention of a single named person; it developed through the process described above.
Byte — sources
- IEC 80000-13 — Defines the byte and its relationship to the bit.
Gigabit — sources
- IEC 80000-13 — Defines bit-based units distinct from byte-based units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gigabits are in 1 byte?
1 byte equals 8e-9 gigabits, using the exact defined conversion factor rather than an estimate.
How do I convert byte to gigabit?
Multiply the byte value by 8e-9. The converter above does this instantly to whatever precision you set.
How do I convert gigabit back to byte?
Use the reverse factor: 1 gigabit equals 125,000,000 bytes. You can also use the swap control in the converter above to flip the direction instantly.
What is a byte?
Byte (B) measures digital storage. A byte is 8 bits, the standard unit for addressing a single character of text in most computer architectures. It is classified as a Base digital storage unit.
What is a gigabit?
Gigabit (Gb) measures digital storage/transfer. A gigabit is 1,000 megabits (125 megabytes) under the decimal convention used for network speeds. It is classified as a Decimal (SI-prefixed) digital unit.
Is the byte to gigabit conversion exact?
Yes. Both byte and gigabit are defined by fixed standards rather than physical artifacts, so the factor of 8e-9 used above is exact to as many digits as you choose to display.
Where is the byte still used today?
Universal in computing