1 GB = 1,000,000,000 bytes
Gigabytes (GB) Conversion
Gigabyte is the unit of digital information with prefix giga (10⁹). 1 Gigabyte is equal to 10⁹ bytes = 1,000,000,000 bytes in decimal (SI). 1 Gigabyte is equal to 2³⁰ bytes = 1,073,741,824 bytes in binary. Also see: Terabytes.
Gigabyte at a Glance
- Symbol
- GB
- System
- Decimal (SI)
- Definition
- 1,000³ bytes = 10⁹ bytes
- Exact value
- 1,000,000,000 bytes · 8,000,000,000 bits
- Binary twin
- Gibibyte (GiB) 1 GB ≈ 0.9313 GiB
- Used for
- Movies, video games, smartphone storage, USB drives, cloud storage plans
Read Your GB Value in Every Other Unit
Type to narrow, everything else stays on screen
| Fundamental | ||
|---|---|---|
| Bit (b) | 8,000,000,000 | b |
| Nibble (nibble) | 2,000,000,000 | nibble |
| Byte (B) | 1,000,000,000 | B |
| Decimal (SI) | ||
| Kilobyte (KB) | 1,000,000 | KB |
| Megabyte (MB) | 1,000 | MB |
| Terabyte (TB) | 0.001 | TB |
| Petabyte (PB) | 0.000001 | PB |
| Exabyte (EB) | 0.000000001 | EB |
| Zettabyte (ZB) | 1.0000e-12 | ZB |
| Yottabyte (YB) | 1.0000e-15 | YB |
| Binary (IEC) | ||
| Kibibyte (KiB) | 976,562.5 | KiB |
| Mebibyte (MiB) | 953.674316 | MiB |
| Gibibyte (GiB) | 0.931322575 | GiB |
| Tebibyte (TiB) | 0.000909495 | TiB |
| Pebibyte (PiB) | 0.000000888 | PiB |
| Exbibyte (EiB) | 8.6736e-10 | EiB |
| Zebibyte (ZiB) | 8.4703e-13 | ZiB |
| Yobibyte (YiB) | 8.2718e-16 | YiB |
| Decimal Bits | ||
| Kilobit (Kb) | 8,000,000 | Kb |
| Megabit (Mb) | 8,000 | Mb |
| Gigabit (Gb) | 8 | Gb |
| Terabit (Tb) | 0.008 | Tb |
| Petabit (Pb) | 0.000008 | Pb |
| Exabit (Eb) | 0.000000008 | Eb |
| Zettabit (Zb) | 8.0000e-12 | Zb |
| Yottabit (Yb) | 8.0000e-15 | Yb |
| Binary Bits | ||
| Kibibit (Kib) | 7,812,500 | Kib |
| Mebibit (Mib) | 7,629.394531 | Mib |
| Gibibit (Gib) | 7.450581 | Gib |
| Tebibit (Tib) | 0.007275958 | Tib |
| Pebibit (Pib) | 0.000007105 | Pib |
| Exbibit (Eib) | 0.000000007 | Eib |
| Zebibit (Zib) | 6.7763e-12 | Zib |
| Yobibit (Yib) | 6.6174e-15 | Yib |
Gigabyte (GB) Among Data Storage Units
What Is a Gigabyte (GB)? Definition and Size
A gigabyte is 1,000 megabytes or 1,000,000,000 bytes using the SI decimal standard. This is what hard drive manufacturers typically use. The GB symbol is widely used in computing to represent gigabytes, making it essential for storage calculations and data transfer planning.
Understanding how gigabytes relate to other storage units helps when sizing drives, planning backups, or estimating download times. Whether you're working with decimal (SI) units, accurate conversion is crucial for proper capacity planning.
Common uses: Movies, video games, smartphone storage, USB drives, cloud storage plans
1 gigabyte (GB) = 1,000,000,000 bytes — the gigabyte storage unit definition used across this data storage converter.
Quick Facts: Gigabyte (GB) Storage Unit
- Symbol: GB
- Unit type: Decimal (SI) — Base 1000
- 1 Gigabyte = 1,000,000,000 bytes
- 1 Gigabyte = 1,000,000 kilobytes (KB)
- Category: data storage converter, digital capacity calculator
How to Use the Gigabyte Storage Converter
- Enter a gigabyte (GB) value in the converter above.
- All 35 data storage equivalents — bits, bytes, kilobytes, megabytes, gigabytes, terabytes and beyond — update instantly.
- Click any storage unit link below for a dedicated GB-to-unit conversion page with formula and table.
Gigabyte at a Glance
| Symbol | GB |
|---|---|
| Type | Decimal (SI) — Base 1000 |
| Bytes equivalent | 1,000,000,000 bytes |
| Common uses | Movies, video games, smartphone storage, USB drives, cloud storage plans |
Gigabyte (GB) vs Gibibyte (GiB): Decimal (SI) vs Binary (IEC)
Gibibyte (GiB) is 7.4% larger than Gigabyte (GB). Gibibyte uses base 1024 (binary/IEC — common in Windows and RAM specs); Gigabyte uses base 1000 (decimal/SI — the standard storage manufacturers advertise).
| Unit | Symbol | Base | Bytes |
|---|---|---|---|
| Gigabyte | GB | 1000 | 1,000,000,000 |
| Gibibyte | GiB | 1024 | 1,073,741,824 |
Gigabytes (GB) to Bytes, KB, MB, GB, TB — Conversion Table
| GB | Bytes | KB | MB | GB | TB |
|---|---|---|---|---|---|
| 1 | 1,000,000,000 | 1,000,000 | 1,000 | 1 | 0.001 |
| 5 | 5,000,000,000 | 5,000,000 | 5,000 | 5 | 0.005 |
| 10 | 10,000,000,000 | 10,000,000 | 10,000 | 10 | 0.01 |
| 25 | 25,000,000,000 | 25,000,000 | 25,000 | 25 | 0.025 |
| 50 | 50,000,000,000 | 50,000,000 | 50,000 | 50 | 0.05 |
| 100 | 100,000,000,000 | 100,000,000 | 100,000 | 100 | 0.1 |
| 500 | 500,000,000,000 | 500,000,000 | 500,000 | 500 | 0.5 |
| 1,000 | 1,000,000,000,000 | 1,000,000,000 | 1,000,000 | 1,000 | 1 |
FAQs: Gigabyte (GB) Storage Conversion
How many bytes are in 1 gigabyte?
1 Gigabyte (GB) equals 1,000,000,000 bytes.
How do I convert gigabytes to other data storage units?
Enter a value in the gigabytes field above — the converter instantly recalculates the equivalent in all 35 storage units, from bits to yottabytes, using the GB to bits conversion factor.
Is a gigabyte the same as a byte?
No. 1 gigabyte (GB) equals 1,000,000,000 bytes, not a single byte.
What is a gigabyte (GB) commonly used for?
Movies, video games, smartphone storage, USB drives, cloud storage plans.
What is the difference between Gigabyte (GB) and Gibibyte (GiB)?
Gibibyte (GiB) is 7.4% larger than Gigabyte (GB). Gigabyte is the decimal (SI) unit, base 1000, while Gibibyte is the binary (IEC) unit, base 1024.
Convert Gigabytes to Any Other Unit
Every GB conversion page is one click away.