The gigabyte
The gigabyte (GB) equals 1,000,000,000 bytes. The difference between GB (decimal) and GiB (binary, 1,073,741,824 B) is the reason a '1 TB' drive shows as ~931 GB in Windows.
Gigabytes to Bits Converter
1 GB = 8000000000 bit
1 gigabyte equals 8000000000 bits. To convert gigabytes to bits, multiply the gigabyte value by 8000000000. For quick reference: 1 GB = 8000000000 bit, 5 GB = 40000000000 bit, 10 GB = 80000000000 bit, 100 GB = 800000000000 bit.
Formula
Bits = Gigabytes × 8000000000Quick
How to convert gigabytes to bits
Take your value
Start with your value in gigabytes.
Multiply by 8000000000
Multiply the gigabyte value by 8000000000. This is the exact conversion factor from gigabytes to bits.
Read the result
The product is your value in bits. For example, 5 GB × 8000000000 = 40000000000 bit.
Conversion formula
The exact factor from gigabytes to bits is 8000000000.
Bits = Gigabytes × 8000000000
Gigabytes to Bits conversion table
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Gigabytes (GB) | Bits (bit) |
|---|---|
| 1 GB | 8000000000 bit |
| 8 GB | 64000000000 bit |
| 16 GB | 128000000000 bit |
| 64 GB | 512000000000 bit |
| 100 GB | 800000000000 bit |
| 256 GB | 2048000000000 bit |
| 500 GB | 4000000000000 bit |
| 512 GB | 4096000000000 bit |
| 1000 GB | 8000000000000 bit |
| 1024 GB | 8192000000000 bit |
| 2000 GB | 16000000000000 bit |
| 2048 GB | 16384000000000 bit |
| 4096 GB | 32768000000000 bit |
| 5000 GB | 40000000000000 bit |
| 8192 GB | 65536000000000 bit |
| 10000 GB | 80000000000000 bit |
| 16384 GB | 131072000000000 bit |
| 25000 GB | 200000000000000 bit |
| 32768 GB | 262144000000000 bit |
| 50000 GB | 400000000000000 bit |
| 65536 GB | 524288000000000 bit |
| 100000 GB | 800000000000000 bit |
| 131072 GB | 1.0486 × 10^15 bit |
| 250000 GB | 2.0000 × 10^15 bit |
| 500000 GB | 4.0000 × 10^15 bit |
| 524288 GB | 4.1943 × 10^15 bit |
| 1000000 GB | 8.0000 × 10^15 bit |
| 1048576 GB | 8.3886 × 10^15 bit |
| 2000000 GB | 1.6000 × 10^16 bit |
| 5000000 GB | 4.0000 × 10^16 bit |
| 10000000 GB | 8.0000 × 10^16 bit |
| 50000000 GB | 4.0000 × 10^17 bit |
| 100000000 GB | 8.0000 × 10^17 bit |
| 500000000 GB | 4.0000 × 10^18 bit |
| 1000000000 GB | 8.0000 × 10^18 bit |
| 2000000000 GB | 1.6000 × 10^19 bit |
| 5000000000 GB | 4.0000 × 10^19 bit |
| 10000000000 GB | 8.0000 × 10^19 bit |
| 50000000000 GB | 4.0000 × 10^20 bit |
| 100000000000 GB | 8.0000 × 10^20 bit |
| 500000000000 GB | 4.0000 × 10^21 bit |
| 1000000000000 GB | 8.0000 × 10^21 bit |
| 2000000000000 GB | 1.6000 × 10^22 bit |
| 5000000000000 GB | 4.0000 × 10^22 bit |
| 10000000000000 GB | 8.0000 × 10^22 bit |
| 100000000000000 GB | 8.0000 × 10^23 bit |
| 1000000000000000 GB | 8.0000 × 10^24 bit |
| 10000000000000000 GB | 8.0000 × 10^25 bit |
| 100000000000000000 GB | 8.0000 × 10^26 bit |
| 1000000000000000000 GB | 8.0000 × 10^27 bit |
Real-world reference
A standard-definition movie is around 1–2 GB. Phones and laptops typically ship with 128 GB to 2 TB of storage.
Frequently asked questions
- How many bits are in 1 gigabyte?
- 1 gigabyte equals 8000000000 bits.
- How do I convert gigabytes to bits?
- Multiply the gigabyte value by 8000000000. So x GB × 8000000000 = the equivalent in bit.
- What is 5 gigabytes in bits?
- 5 gigabytes equals 40000000000 bits.
- What is 10 gigabytes in bits?
- 10 gigabytes equals 80000000000 bits.
- What is 100 gigabytes in bits?
- 100 gigabytes equals 800000000000 bits.
- How do I convert back from bits to gigabytes?
- Multiply the bit value by 1.2500 × 10^−10. For example, 1 bit = 1.2500 × 10^−10 GB.
- Is the gigabyte bigger than the bit?
- Yes. 1 gigabyte is larger than 1 bit — specifically 8000000000 times larger.
- Are these conversion factors exact?
- Yes. The factor of 8000000000 is derived directly from the SI definitions of gigabyte and bit.
About the gigabyte and the bit
The bit
A bit is the smallest unit of digital information — a single 0 or 1. Eight bits make one byte. The bit is the natural unit for bandwidth (most network speeds are quoted in bits per second, not bytes).