Convert Gigabits to Kibibytes

Convert Gigabits (Gbit) to Kibibytes (KiB) instantly and accurately.

Gigabits (Gbit)
Kibibytes (KiB)

Conversion Formula

KiB = Gbit × 122070.3125

About Gigabits

A gigabit (Gbit) = 10⁹ bits (SI). 1 Gbit/s Ethernet (1000BASE-T) is the enterprise baseline; 10/25/100/400 Gbit/s are data-centre standards. Bus speeds: PCIe 4.0 ×16 = 256 Gbit/s; Thunderbolt 4 = 40 Gbit/s; HDMI 2.1 = 48 Gbit/s. NVMe SSDs: PCIe 4 ≈ 57 Gbit/s; PCIe 5 > 112 Gbit/s. Submarine cables: 200 Gbit/s per wavelength × hundreds of wavelengths. 1 Gbit = 10⁹ bits = 125 MB.

About Kibibytes

A kibibyte (KiB) = 2¹⁰ = 1,024 bytes (IEC 80000-13) - the binary kilobyte used by OS memory management. Linux/Windows page size = 4 KiB (4,096 bytes); default NTFS/ext4/APFS cluster size = 4 KiB. CPU L1-D cache: 16-64 KiB. Arduino AVR flash: 2-32 KiB. Windows labels KiB as 'KB'. 1 KiB = 1,024 bytes = 8,192 bits.

Quick Reference Table

Gigabits (Gbit)Kibibytes (KiB)
1 Gbit122070 KiB
2 Gbit244141 KiB
5 Gbit610352 KiB
10 Gbit1220700 KiB
25 Gbit3051760 KiB
50 Gbit6103520 KiB
100 Gbit12207000 KiB

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