Gigabits per Second to Megabytes per Second (Gbps to MB/s)
1 gigabit per second (Gbps) = 125 megabytes per second (MB/s). 1 MB/s = 0.008 Gbps. Example: 1 Gbps = 1 × 125 = 125 MB/s.
Also searched as Gbps to MB/s, gigabit to megabytes per second and 1 gbps in MB/s.
1 Gbps = 125 MB/s
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk gigabit per second to megabyte per second converter to paste a column from Excel.
How to Convert Gigabit per Second to Megabyte per Second
- 1 Gbps = 125 MB/s
- 1 MB/s = 0.008 Gbps
- Example: convert 1 Gbps to MB/s: 1 Gbps = 1 × 125 MB/s = 125 MB/s
Formula
MB/s = Gbps × 125
Derivation from SI units:
- 1 Gbit/s = 10⁹ bit/s.
- 1 MB/s = 10⁶ B/s = 8 Mbit/s.
- 1 Gbps = 1000000000 bps ÷ 8000000 bps per MB/s = 125 MB/s
Both units are defined exactly, so the factor is exact. Gigabit per Second definition: gigabit per second; Megabyte per Second definition: megabyte per second.
Worked examples
- A 1 Gbps link moves up to 125 MB/s.
1 Gbps × 125 = 125 MB/s - A 10 Gbps network peaks at 1250 MB/s.
10 Gbps × 125 = 1250 MB/s
Gigabit per Second to Megabyte per Second conversion table
| Gigabits per Second (Gbps) | Megabytes per Second (MB/s) |
|---|---|
| 1 Gbps | 125 MB/s |
| 2.5 Gbps | 312.5 MB/s |
| 5 Gbps | 625 MB/s |
| 10 Gbps | 1250 MB/s |
| 25 Gbps | 3125 MB/s |
| 40 Gbps | 5000 MB/s |
| 100 Gbps | 12500 MB/s |
| 400 Gbps | 50000 MB/s |
Where it's used
Network link speeds in gigabits per second are converted to megabytes per second to estimate real copy speeds to a NAS, server or between computers. Multiply by 125.
Gigabit per Second to other data transfer rate units
| Conversion | 1 Gbps equals |
|---|---|
| gigabit per second to megabyte per second | 125 MB/s |
| gigabit per second to megabit per second | 1000 Mbps |
| gigabit per second to kilobit per second | 1000000 kbps |
| gigabit per second to gigabyte per second | 0.125 GB/s |
| gigabit per second to bit per second | 1000000000 bps |
| gigabit per second to byte per second | 125000000 B/s |
| gigabit per second to kilobyte per second | 125000 kB/s |
| gigabit per second to mebibyte per second | 119.2092896 MiB/s |
Show 2 more units
| gigabit per second to terabit per second | 0.001 Tbps |
|---|---|
| gigabit per second to kibibyte per second | 122070.3125 KiB/s |
Frequently asked questions
How fast can I copy files over gigabit Ethernet?
1 Gbps = 125 MB/s in theory; about 110–118 MB/s after protocol overhead, often limited by the drives.
How many megabytes per second are in 1 gigabit per second?
1 Gbps = 125 MB/s.
How do I convert gigabits per second to megabytes per second?
Multiply the value in Gbps by 125. For example, 1 Gbps × 125 = 125 MB/s.
Is the Gbps to MB/s conversion exact?
Yes. Both units are defined exactly, and 1 Gbps is exactly 125 MB/s.
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 7 (SI prefixes); hertz, Table 4.
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Gigabits per Second to Megabytes per Second (Gbps to MB/s). Retrieved October 25, 2026, from https://scientificconverters.com/data-rate/gigabits-per-second-to-megabytes-per-second/
IEEE
Scientific Converters, "Gigabits per Second to Megabytes per Second (Gbps to MB/s)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/data-rate/gigabits-per-second-to-megabytes-per-second/