Kalkulator Przepustowości Danych

Konwerter Gigabit na Megabajt

Przeliczaj Gigabity (Gbit) na Megabajty (MB), aby poznać realny transfer plików w sieci.

Gigabity (Gbit)Gbit

Gbit

Megabajty (MB)MB

Szybki wybór

Obliczenie: 1 Gbit × 125 = 125 MB

The Golden Rule of Data: 8 Bits Equal 1 Byte

Telecommunications providers measure connection speed in bits (lowercase 'b'), whereas computers store files in Bytes (uppercase 'B'). Because there are 8 bits in every byte, 1 Gigabit (Gbit) equals 1,000 Megabits (Mbit), which divides by 8 to produce 125 Megabytes (MB). Therefore, the theoretical maximum transfer rate of a 1 Gbit network pipe is 125 MB/s.

Conversion Formula (Network to Storage)

Convert raw gigabits into file download megabytes:

Megabytes (MB) = (Gigabits × 1,000) ÷ 8 = Gigabits × 125

Real-World Throughput (With Overhead)

Accounting for realistic ~6-8% TCP/IP packet header overhead:

Real Throughput = (Gigabits × 125) × 0.92 ≈ Gigabits × 115 MB/s

Gigabit Link Speed vs. Usable File Download Speed

Comparison of theoretical vs. actual real-world download throughput:

Link Speed (Gbit)	Theoretical Rate	Real-World Rate	Storage Speed Requirement
0.5 Gbit (500 Mbps)	62.5 MB/s	~57.5 MB/s	Standard Hard Drive (HDD)
1.0 Gbit (1,000 Mbps)	125.0 MB/s	~115.0 MB/s	Fast HDD or SATA SSD
2.5 Gbit (2,500 Mbps)	312.5 MB/s	~287.5 MB/s	SATA SSD or NVMe SSD
5.0 Gbit (5,000 Mbps)	625.0 MB/s	~575.0 MB/s	PCIe 3.0 NVMe SSD
10.0 Gbit (10,000 Mbps)	1,250.0 MB/s	~1,150.0 MB/s	PCIe 4.0 NVMe SSD

Storage Bottlenecks: Can Your Drive Keep Up?

At 1 Gbit (125 MB/s), an older 5,400 RPM laptop hard drive will struggle to write data fast enough, causing download stalls and disk-usage 100% warnings in Steam or BitTorrent. For 2.5 Gbit and 10 Gbit connections, an internal NVMe SSD with sustained write speeds over 1,500 MB/s is mandatory to prevent drive write throttling.

Summary Takeaway:Always divide network gigabits by 8 to find file transfer megabytes. A 1 Gbit connection will download a 1,000 MB (1 GB) file in approximately 8 to 9 seconds under optimal conditions.

Tabela konwersji Gigabit na Megabajt

Gigabity (Gbit)	Megabajty (MB)
0,1 Gbit	12,5 MB
0,5 Gbit	62,5 MB
1 Gbit	125 MB
2 Gbit	250 MB
5 Gbit	625 MB
8 Gbit	1 000 MB
10 Gbit	1 250 MB
100 Gbit	12 500 MB

Często Zadawane Pytania

Ile MB ma 1 Gigabit?

1 Gigabit = 125 Megabajtów (1 bajt = 8 bitów).

Dlaczego internet 1 Gbps pobiera z prędkością 125 MB/s?

Dostawcy podają prędkość w bitach (Gbps), a programy w bajtach (MB/s). 1 Gbps = 125 MB/s.