Convert data storage units — bytes, KB, MB, GB, TB, PB.
| Unit | Name | Value |
|---|---|---|
| bit | Bit | 8192 |
| B | Byte | 1024 |
| MB | Megabyte | 0.0009765625 |
| GB | Gigabyte | 9.5367432e-7 |
| TB | Terabyte | 9.313324e-10 |
| PB | Petabyte | 9.095148e-13 |
Formula: Gigabyte = Kilobyte × 1.0000e-6
Multiply any kilobyte value by 1.0000e-6 to get gigabyte. One kilobyte equals 1.0000e-6 GB.
Reverse: Kilobyte = Gigabyte × 1,000,000
Common kilobyte values with real-world context — factor: 1 KB = 1.0000e-6 GB
| Kilobyte (KB) | Gigabyte (GB) | Context |
|---|---|---|
| 1 KB | 1.000e-06 GB | 1 KB text |
| 5 KB | 5.000e-06 GB | Short email |
| 10 KB | 1.000e-05 GB | Short email |
| 50 KB | 5.000e-05 GB | Small webpage |
| 100 KB | 0.0001 GB | Small webpage |
| 500 KB | 0.0005 GB | Word document |
| 1,000 KB | 0.001 GB | 1 MB small image |
| 4,096 KB | 0.004096 GB | 5 MB photo |
| 1e+04 KB | 0.01 GB | 5 MB photo |
| 5e+04 KB | 0.05 GB | 50 MB app |
| 1e+05 KB | 0.1 GB | 50 MB app |
| 5e+05 KB | 0.5 GB | 500 MB ISO |
| 1e+06 KB | 1 GB | 1 GB video |
| 5e+06 KB | 5 GB | 4.7 GB DVD |
| 1e+07 KB | 10 GB | 10 GB game |
1 KB = 1.0000e-6 GB. 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 1,000,000 to recover the original KB value.
Works with kernel page sizes (4 KB), stack sizes, and cache line sizes in KB.
Manages microcontroller flash and RAM in KB — Arduino has 32 KB flash.
Analyzes JavaScript bundle sizes in KB to optimize Time to Interactive.
Tunes asset sizes for mobile games where texture atlases are budgeted in KB.
Specifies maximum packet sizes and MTUs in KB for network protocols.
Works with classic systems like the Commodore 64 (64 KB RAM) or Apple II (48 KB).
The kilobyte (KB) equals 1,000 bytes in decimal (SI) notation, or 1,024 bytes in binary usage — a distinction that has caused decades of confusion. The SI standard (IEC 80000-13, 1998) formally defined KB as 1,000 bytes, reserving KiB for 1,024 bytes.
Kilobytes were the standard measure for file sizes in the early PC era (1980s). A floppy disk held 360 KB or 1.44 MB; early email attachments were measured in kilobytes.
Interesting fact: A plain text page of 500 words is about 2-3 KB. The first commercially available hard drive (IBM 350, 1956) stored just 3.75 MB — or about 3,750 KB.
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.
Converting kilobyte to gigabyte 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 KB = 5.0000e-6 GB and 10 KB = 1.0000e-5 GB. For larger quantities, 100 KB = 1.0000e-4 GB. The reverse conversion uses the factor 1,000,000, so 1 GB = 1,000,000 KB. 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 KB = 1.0000e-6 GB, calculated with IEEE 754 double-precision arithmetic accurate to at least 8 significant figures.