Convert Gigabytes to Kilobytes

Convert Gigabytes (GB) to Kilobytes (KB) instantly and accurately.

Gigabytes (GB)
Kilobytes (KB)

Conversion Formula

KB = GB × 1000000

About Gigabytes

A gigabyte (GB) = 10⁹ bytes (SI). All consumer HDDs, SSDs, SD cards, USB drives, and smartphones advertise in GB. Media sizes: 4K Blu-ray 66-100 GB; 4K Netflix film 10-15 GB; modern AAA PC game 50-200 GB; Google Maps offline country data 5-30 GB. The IBM 350 RAMAC (1956) stored 0.00000375 GB; a Seagate Exos 20 TB holds 20,000 GB - 5.3-million-fold increase in 66 years. 1 GB = 10⁹ bytes = 1,000 MB.

About Kilobytes

A kilobyte (KB) = 1,000 bytes (SI). Used by all storage manufacturers (HDD, SSD, USB, SD) and endorsed by the IEC and FTC. Typical sizes: plain-text email 2-5 KB; HTML page 10-100 KB; Word document 10-30 KB. Ethernet MTU = 1,500 bytes ≈ 1.5 KB; jumbo frames 9 KB. MP3 at 128 kbit/s = 16 KB/s of audio. 1 KB = 1,000 bytes = 8,000 bits.

Quick Reference Table

Gigabytes (GB)Kilobytes (KB)
1 GB1000000 KB
2 GB2000000 KB
5 GB5000000 KB
10 GB10000000 KB
25 GB25000000 KB
50 GB50000000 KB
100 GB100000000 KB

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