Convert Bits to Gigabytes (bit to GB)
1 bit = 1.25 × 10⁻¹⁰ gigabytes (GB). 1 GB = 8000000000 bit. Example: 15 bit = 15 × 1.25 × 10⁻¹⁰ = 1.875 × 10⁻⁹ GB.
Also searched as bits to GB, bits in GB, bits into gigabytes, bit to GB, bit in gigabytes, bit into gigabyte, bit to gigabyte, bit to gigabytes converter and how many gigabytes in a bit.
1 bit = 1.25e-10 GB
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk bit to gigabyte converter to paste a column from Excel.
How to Convert Bit to Gigabyte
- 1 bit = 1.25 × 10⁻¹⁰ GB
- 1 GB = 8000000000 bit
- Example: convert 15 bit to GB: 15 bit = 15 × 1.25 × 10⁻¹⁰ GB = 1.875 × 10⁻⁹ GB
Formula
GB = bit ÷ 8000000000
Derivation from SI units:
- The basic unit of information: one binary digit, 0 or 1.
- 1 GB = 10⁹ bytes = 8 × 10⁹ bits (decimal, SI).
Both units are defined exactly, so the factor is exact. Bit definition: bit; Gigabyte definition: gigabyte.
Worked examples
- A reading of 16 bit converts to 2 × 10⁻⁹ GB.
16 bit × 1.25 × 10⁻¹⁰ = 2 × 10⁻⁹ GB - A value of 128 bit is 1.6 × 10⁻⁸ GB.
128 bit × 1.25 × 10⁻¹⁰ = 1.6 × 10⁻⁸ GB
Bit to Gigabyte conversion table
| Bits (bit) | Gigabytes (GB) |
|---|---|
| 1 bit | 1.25 × 10⁻¹⁰ GB |
| 4 bit | 5 × 10⁻¹⁰ GB |
| 8 bit | 1 × 10⁻⁹ GB |
| 16 bit | 2 × 10⁻⁹ GB |
| 32 bit | 4 × 10⁻⁹ GB |
| 64 bit | 8 × 10⁻⁹ GB |
| 128 bit | 1.6 × 10⁻⁸ GB |
| 256 bit | 3.2 × 10⁻⁸ GB |
| 512 bit | 6.4 × 10⁻⁸ GB |
| 1024 bit | 1.28 × 10⁻⁷ GB |
Where it's used
Bits are used for network speeds (bits per second), while gigabytes appear in phone and laptop storage. Both measure amount of digital information, so the conversion is a fixed factor.
Bit to other data storage units
| Conversion | 1 bit equals |
|---|---|
| bit to gigabyte | 1.25 × 10⁻¹⁰ GB |
| bit to byte | 0.125 B |
| bit to kilobyte | 0.000125 kB |
| bit to megabyte | 1.25 × 10⁻⁷ MB |
| bit to terabyte | 1.25 × 10⁻¹³ TB |
| bit to megabit | 0.000001 Mbit |
| bit to kibibyte | 0.0001220703125 KiB |
| bit to mebibyte | 1.192092896 × 10⁻⁷ MiB |
Show 5 more units
| bit to gibibyte | 1.164153218 × 10⁻¹⁰ GiB |
|---|---|
| bit to kilobit | 0.001 kbit |
| bit to gigabit | 1 × 10⁻⁹ Gbit |
| bit to petabyte | 1.25 × 10⁻¹⁶ PB |
| bit to tebibyte | 1.136868377 × 10⁻¹³ TiB |
Frequently asked questions
How many gigabytes are in 1 bit?
1 bit = 1.25 × 10⁻¹⁰ GB.
How do I convert bits to gigabytes?
Multiply the value in bit by 1.25 × 10⁻¹⁰, or divide it by 8000000000. For example, 15 bit × 1.25 × 10⁻¹⁰ = 1.875 × 10⁻⁹ GB.
Is the bit to GB conversion exact?
Yes. Both units are defined exactly, and 1 bit is exactly 1.25 × 10⁻¹⁰ GB.
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 7 (SI prefixes); hertz, Table 4.
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Bits to Gigabytes (bit to GB). Retrieved October 25, 2026, from https://scientificconverters.com/data-storage/bits-to-gigabytes/
IEEE
Scientific Converters, "Convert Bits to Gigabytes (bit to GB)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/data-storage/bits-to-gigabytes/