Convert data storage units — bytes, KB, MB, GB, TB, PB.
| Unit | Name | Value |
|---|---|---|
| bit | Bit | 8589934600 |
| B | Byte | 1073741800 |
| KB | Kilobyte | 1048576 |
| MB | Megabyte | 1024 |
| TB | Terabyte | 0.00097657283 |
| PB | Petabyte | 9.5369541e-7 |
Formula: Bit = Gigabyte × 8e+09
Multiply any gigabyte value by 8e+09 to get bit. One gigabyte equals 8e+09 bit.
Reverse: Gigabyte = Bit × 1.2500e-10
Common gigabyte values with real-world context — factor: 1 GB = 8e+09 bit
| Gigabyte (GB) | Bit (bit) | Context |
|---|---|---|
| 0.001 GB | 8e+06 bit | 1 MB photo |
| 0.01 GB | 8e+07 bit | MP3 song |
| 0.1 GB | 8e+08 bit | Short video |
| 1 GB | 8e+09 bit | HD movie |
| 4 GB | 3.2e+10 bit | 4K movie |
| 8 GB | 6.4e+10 bit | 8 GB USB drive |
| 16 GB | 1.28e+11 bit | 8 GB USB drive |
| 32 GB | 2.56e+11 bit | Large game |
| 64 GB | 5.12e+11 bit | Large game |
| 128 GB | 1.024e+12 bit | Phone storage |
| 256 GB | 2.048e+12 bit | 256 GB SSD |
| 500 GB | 4.000e+12 bit | 500 GB drive |
| 1,000 GB | 8.000e+12 bit | 1 TB drive |
| 2,000 GB | 1.600e+13 bit | 2 TB NAS |
| 8,000 GB | 6.400e+13 bit | 8 TB enterprise |
1 GB = 8e+09 bit. Memorize this for instant estimates.
Data storage uses both decimal (×1000) and binary (×1024) prefixes. The factor above follows the decimal (SI) standard used by storage manufacturers.
To verify: multiply your result by 1.2500e-10 to recover the original GB value.
Specifies app download sizes, database backup sizes, and API payload limits in GB.
Compares phone, tablet, and laptop storage in GB when purchasing devices.
Provisions storage buckets, database sizes, and VM disk images in GB.
Estimates project sizes — 1 minute of 4K RAW video uses about 6 GB.
Monitors disk usage, quota limits, and backup sizes across GB-scale storage.
Handles dataset sizes in GB for training, validation, and test splits.
The gigabyte (GB) equals 1,000,000,000 bytes (decimal) or 1,073,741,824 bytes (binary). The distinction matters: Windows historically reported drive sizes in binary gigabytes, while drive manufacturers used decimal — causing the perennial 'missing space' confusion.
Gigabytes define modern consumer storage: smartphone apps, photos, and videos. A typical smartphone photo is 3-5 MB, so 1 GB holds roughly 200-300 photos. A 4K movie takes 60-100 GB.
Interesting fact: The first 1 GB hard drive (IBM 3380, 1980) weighed 250 kg and cost $40,000. Today, a 1 GB microSD card costs about $0.10.
The bit is the most fundamental unit of information in computing and communications, representing a binary value of 0 or 1. Claude Shannon formalized the bit in his landmark 1948 paper 'A Mathematical Theory of Communication'.
Bits define network speeds (Mbps, Gbps), pixel color depths (8-bit, 16-bit), and cryptographic key lengths. Internet connection speeds are quoted in bits per second (bps), not bytes per second.
Interesting fact: The term 'bit' was coined by John Tukey in 1947 as a contraction of 'binary digit'. A standard coin flip is a perfect analog for a single bit.
Converting gigabyte to bit is a common task in computing, networking, and data management. Storage manufacturers, operating systems, and network equipment often express data sizes in different units — understanding the conversion is essential for comparing specifications, planning storage capacity, and interpreting network speed versus file size relationships.
As a practical reference: 5 GB = 4e+10 bit and 10 GB = 8e+10 bit. For larger quantities, 100 GB = 8e+11 bit. The reverse conversion uses the factor 1.2500e-10, so 1 bit = 1.2500e-10 GB. Note that decimal prefixes (KB=1,000, MB=1,000,000) differ from binary prefixes (KiB=1,024, MiB=1,048,576) — always check which standard your software or hardware uses.
All conversions use the internationally recognized factor of exactly 1 GB = 8e+09 bit, calculated with IEEE 754 double-precision arithmetic accurate to at least 8 significant figures.