Convert Gigabits to Megabytes

Convert Gigabits (Gbit) to Megabytes (MB) instantly and accurately.

Gigabits (Gbit)
Megabytes (MB)

Conversion Formula

MB = Gbit × 125

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 Megabytes

A megabyte (MB) = 1,000,000 bytes (SI). Used by all storage manufacturers and by macOS (since 10.6), iOS, and Android. Typical file sizes: JPEG photo (50 MP) = 8-20 MB; 3-min MP3 at 128 kbit/s ≈ 2.9 MB; Android productivity APK 10-150 MB; full-frame RAW photo (Sony A7R V, 61 MP) 60-120 MB. H.264/H.265 achieves 30-100× compression vs. raw video. 1 MB = 1,000,000 bytes = 1,000 KB.

Quick Reference Table

Gigabits (Gbit)Megabytes (MB)
1 Gbit125 MB
2 Gbit250 MB
5 Gbit625 MB
10 Gbit1250 MB
25 Gbit3125 MB
50 Gbit6250 MB
100 Gbit12500 MB

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