Convert Terabytes to Gigabits

Convert Terabytes (TB) to Gigabits (Gbit) instantly and accurately.

Terabytes (TB)
Gigabits (Gbit)

Conversion Formula

Gbit = TB × 8000

About Terabytes

A terabyte (TB) = 10¹² bytes (SI). Consumer HDDs: 1-22 TB; consumer NVMe SSDs: 1-8 TB. LTO-9 tape: 18 TB/cartridge; enterprise libraries: hundreds of petabytes. Whole genome sequencing: Illumina NovaSeq 6000 run ≈ 6 TB raw FASTQ. JWST downlinks ≈ 57 GB/day (≈20 TB/year). 4K NVR (64 cameras) ≈ 1 TB/day. 1 TB = 10¹² bytes = 1,000 GB.

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.

Quick Reference Table

Terabytes (TB)Gigabits (Gbit)
1 TB8000 Gbit
2 TB16000 Gbit
5 TB40000 Gbit
10 TB80000 Gbit
25 TB200000 Gbit
50 TB400000 Gbit
100 TB800000 Gbit

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