Gigabyte (GB)
One billion bytes (decimal). Storage makers use GB; many operating systems show GiB but label it GB.
What is a gigabyte?
- Symbol
- GB
- Quantity
- Data Storage
- Unit system
- SI
- Definition
- One billion bytes (decimal). Storage makers use GB; many operating systems show GiB but label it GB.
- Exact
- Yes, the value is exact by definition
- Source
- IEC 80000-13:2008, Quantities and units: Information science and technology
Common applications
Used for phone and laptop storage, RAM, mobile data plans and video files.
Gigabyte in other data storage units
- 1 GB = 8000000000 bitBit
- 1 GB = 2000000000 nibbleNibble
- 1 GB = 1000000000 BByte
- 1 GB = 8000000 kbitKilobit
- 1 GB = 8000 MbitMegabit
- 1 GB = 8 GbitGigabit
- 1 GB = 0.008 TbitTerabit
- 1 GB = 1000000 kBKilobyte
- 1 GB = 1000 MBGigabyte to Megabyte converter
- 1 GB = 0.001 TBGigabyte to Terabyte converter
- 1 GB = 0.000001 PBPetabyte
- 1 GB = 7812500 KibitKibibit
- 1 GB = 7629.39453125 MibitMebibit
- 1 GB = 976562.5 KiBKibibyte
- 1 GB = 953.67431640625 MiBMebibyte
- 1 GB ≈ 0.9313225746 GiBGigabyte to Gibibyte converter
- 1 GB ≈ 0.0009094947018 TiBTebibyte
- 1 GB ≈ 8.881784197e-7 PiBPebibyte
Gigabyte quick reference
| Gigabyte | Megabyte | Terabyte | Gibibyte |
|---|---|---|---|
| 1 GB | = 1000 MB | = 0.001 TB | ≈ 0.9313225746 GiB |
| 10 GB | = 10000 MB | = 0.01 TB | ≈ 9.313225746 GiB |
| 100 GB | = 100000 MB | = 0.1 TB | ≈ 93.13225746 GiB |
| 1000 GB | = 1000000 MB | = 1 TB | ≈ 931.3225746 GiB |
Where the gigabyte fits
The next smaller data storage unit is the gigabit (Gbit). 1 GB = 8 Gbit, and 1 Gbit = 0.125 GB.
The next larger data storage unit is the gibibyte (GiB). 1 GB ≈ 0.9313225746 GiB, and 1 GiB = 1.073741824 GB.
Frequently asked questions
- How many megabytes are in one gigabyte?
- One gigabyte = 1000 MB (megabytes).
- How many terabytes are in one gigabyte?
- One gigabyte = 0.001 TB (terabytes).
- How many gibibytes are in one gigabyte?
- One gigabyte ≈ 0.9313225746 GiB (gibibytes).