How to convert gigabits per second to gigabytes per second
Formula: GB/s = Gbps ÷ 8
Worked example: 1 Gbps → 1 ÷ 8 = 0.125 GB/s
Divide gigabits per second by 8 to get gigabytes per second. A 10 Gbps USB port moves at most 1.25 GB/s, often less once encoding overhead is counted.
Gigabits per second to gigabytes per second conversion chart
| Gigabits per second (Gbps) | Gigabytes per second (GB/s) |
|---|---|
| 1 Gbps | 0.125 GB/s |
| 2 Gbps | 0.25 GB/s |
| 5 Gbps | 0.625 GB/s |
| 10 Gbps | 1.25 GB/s |
| 20 Gbps | 2.5 GB/s |
| 25 Gbps | 3.125 GB/s |
| 50 Gbps | 6.25 GB/s |
| 100 Gbps | 12.5 GB/s |
| 200 Gbps | 25 GB/s |
| 250 Gbps | 31.25 GB/s |
| 300 Gbps | 37.5 GB/s |
| 500 Gbps | 62.5 GB/s |
| 1,000 Gbps | 125 GB/s |
| 2,000 Gbps | 250 GB/s |
| 2,500 Gbps | 312.5 GB/s |
| 5,000 Gbps | 625 GB/s |
| 10,000 Gbps | 1,250 GB/s |
What is one gigabit per second?
The gigabit per second equals 1,000 Mbps. It rates fiber plans, Ethernet ports and USB links: gigabit Ethernet carries 1 Gbps, USB 3.2 Gen 2 carries 10 Gbps.
What is one gigabyte per second?
The gigabyte per second is 8 gigabits per second. It describes fast storage: a SATA SSD reads around 0.55 GB/s, and an NVMe PCIe 4.0 SSD up to about 7 GB/s.