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Gigabit/s to Megabyte/s Converter

Enter the value that you want to convert gigabit/s (Gbps) to megabyte/s (MB/s) or megabyte/s to gigabit/s.Also written as GBPS to MB/S conversion.

1 gigabit/s = 125.0000000 megabyte/s

Formula: megabyte/s = gigabit/s value × 125.0000000

GBPS to MB/S — gigabit/s to megabyte/s

Gbps
1250.00000MB/s

10 gigabit/s = 1250.00000 megabyte/s

Popular Data Transfer Rate Converters:

Mbps to GbpsGbps to MbpsMbps to KB/sMbps to MB/skbps to MbpsGbps to MB/s

Why Convert Gigabit/s to Megabyte/s?

Understanding Gigabit/s

Gigabit/s (Gbps) is a unit of data transfer rate measurement. 1 gigabit/s is equal to 125.0000000 megabyte/s.

About the Megabyte/s

Megabyte/s (MB/s) is a unit of data transfer rate measurement. 1 megabyte/s is equal to 0.0080000 gigabit/s.

gigabit/s to megabyte/s metric conversion table

0.01 Gbps=1.25000 MB/s
0.1 Gbps=12.50000 MB/s
1 Gbps=125.00000 MB/s
2 Gbps=250.00000 MB/s
3 Gbps=375.00000 MB/s
4 Gbps=500.00000 MB/s
5 Gbps=625.00000 MB/s
6 Gbps=750.00000 MB/s
7 Gbps=875.00000 MB/s
8 Gbps=1000.00000 MB/s
9 Gbps=1125.00000 MB/s
10 Gbps=1250.00000 MB/s
11 Gbps=1375.00000 MB/s
12 Gbps=1500.00000 MB/s
13 Gbps=1625.00000 MB/s
14 Gbps=1750.00000 MB/s
15 Gbps=1875.00000 MB/s
16 Gbps=2000.00000 MB/s
17 Gbps=2125.00000 MB/s
18 Gbps=2250.00000 MB/s
19 Gbps=2375.00000 MB/s
20 Gbps=2500.00000 MB/s
30 Gbps=3750.00000 MB/s
40 Gbps=5000.00000 MB/s
50 Gbps=6250.00000 MB/s
60 Gbps=7500.00000 MB/s
70 Gbps=8750.00000 MB/s
80 Gbps=10000.00000 MB/s
90 Gbps=11250.00000 MB/s
100 Gbps=12500.00000 MB/s
200 Gbps=25000.00000 MB/s
300 Gbps=37500.00000 MB/s
400 Gbps=50000.00000 MB/s
500 Gbps=62500.00000 MB/s
600 Gbps=75000.00000 MB/s
700 Gbps=87500.00000 MB/s
800 Gbps=100000.00000 MB/s
900 Gbps=112500.00000 MB/s
1000 Gbps=125000.00000 MB/s

How to Convert GBPS to MB/S (Gigabit/s to Megabyte/s)?

We can convert gigabit/s to megabyte/s by using an example.

Example:

Convert 20 Gigabit/s to Megabyte/s?

We know 1 Gigabit/s = 125.0000000 megabyte/s; 1 Megabyte/s = 0.0080000 gigabit/s.

20 gigabit/s = ___MB/s

20 × 125.0000000 = 2500.00000 MB/s (we know 1 gigabit/s = 125.0000000 megabyte/s)

Answer:

20 gigabit/s = 2500.00000 megabyte/s

Gbps to MB/s: From Network Speed to Real File Transfer Rate

Converting Gbps to MB/s combines a prefix change with a bits-to-bytes conversion. Since 1 Gbps = 1,000 Mbps and 8 bits = 1 byte, we get 1 Gbps = 1,000 ÷ 8 = 125 MB/s. This conversion is crucial for understanding how quickly you can actually transfer files over high-speed connections.

  1. Start with the network speed in Gbps.
  2. Multiply by 1,000 to get Mbps.
  3. Divide by 8 to convert bits to bytes, yielding MB/s.
  4. Shortcut: multiply Gbps by 125 to get MB/s directly.
💡 Tip: Remember: 1 Gbps = 125 MB/s. Double the Gbps, double the MB/s. So 10 Gbps = 1,250 MB/s.

Network Gbps to File Transfer MB/s

How fast can you actually move files at various network speeds:

Gigabit/sMegabyte/s
1 Gbps125 MB/s
2.5 Gbps312.5 MB/s
5 Gbps625 MB/s
10 Gbps1,250 MB/s
20 Gbps2,500 MB/s
40 Gbps5,000 MB/s
100 Gbps12,500 MB/s
400 Gbps50,000 MB/s

Worked Solutions: Gbps to MB/s

Question 1: A NAS is connected via 10 Gbps Ethernet. What is the maximum file transfer rate in MB/s?

Solution:

MB/s = Gbps × 125

= 10 × 125

= 1,250 MB/s

Answer: 10 Gbps = 1,250 MB/s — fast enough to saturate most NVMe SSDs.

Question 2: Thunderbolt 4 provides 40 Gbps for data. Express in MB/s.

Solution:

MB/s = Gbps × 125

= 40 × 125

= 5,000 MB/s

Answer: 40 Gbps = 5,000 MB/s maximum throughput for external Thunderbolt storage.

Question 3: A 5G connection peaks at 1.5 Gbps. What is the file transfer speed in MB/s?

Solution:

MB/s = Gbps × 125

= 1.5 × 125

= 187.5 MB/s

Answer: 1.5 Gbps = 187.5 MB/s — comparable to a SATA SSD read speed.

Practice: Gbps to MB/s Conversion

Try solving these on your own to test your understanding:

  1. Convert 25 Gbps to MB/s. (Answer: 3,125 MB/s)
  2. A 100 Gbps link delivers what MB/s? (Answer: 12,500 MB/s)
  3. USB4 runs at 20 Gbps. Express in MB/s. (Answer: 2,500 MB/s)
  4. Convert 0.5 Gbps to MB/s. (Answer: 62.5 MB/s)
  5. A fiber link at 8 Gbps gives how many MB/s? (Answer: 1,000 MB/s)

Why Your 1 Gbps Connection Does Not Transfer at 125 MB/s

The theoretical 125 MB/s from a 1 Gbps link is rarely achieved in practice. TCP/IP headers consume ~3%, Ethernet framing adds another ~2%, and disk I/O or CPU processing may bottleneck the transfer. Realistic throughput on a 1 Gbps LAN is 110-118 MB/s. For large file transfers, using jumbo frames (9000 MTU) can recover some overhead and push closer to 120 MB/s.

Matching Storage Speed to Network Speed

There is no point having a 10 Gbps (1,250 MB/s) network if your storage only reads at 550 MB/s (SATA SSD). To fully utilize high-speed networks: 1 Gbps needs a basic HDD (150 MB/s) or SSD, 10 Gbps needs an NVMe SSD (1,500+ MB/s), and 40+ Gbps needs RAID arrays or PCIe 4.0/5.0 NVMe drives to avoid storage bottlenecks.

Key Takeaways

  • 1 Gbps = 125 MB/s (multiply Gbps by 125).
  • Divide Gbps by 8 × 1,000 to get MB/s, or just multiply by 125.
  • A 1 Gbps Ethernet link realistically delivers ~110-118 MB/s.
  • Match your storage speed to network speed to avoid bottlenecks.
  • Thunderbolt 4 at 40 Gbps = 5,000 MB/s theoretical bandwidth.

Gigabit/s to Megabyte/s Conversion Formula

megabyte/s = gigabit/s × 125.0000000

1 gigabit/s = 125.0000000 megabyte/s

1 megabyte/s = 0.0080000 gigabit/s

Reverse: gigabit/s = megabyte/s × 0.0080000

Frequently Asked Questions

How many megabyte/s are in 1 gigabit/s?

There are 125.0000000 megabyte/s in 1 gigabit/s. To convert gigabit/s to megabyte/s, multiply the value by 125.0000000.

How do I convert gigabit/s to megabyte/s?

Multiply your gigabit/s value by 125.0000000 to get the equivalent in megabyte/s. For example, 5 gigabit/s = 5 × 125.0000000 = 625.00000 megabyte/s.

How do I convert megabyte/s to gigabit/s?

Multiply your megabyte/s value by 0.0080000 to get the equivalent in gigabit/s. Alternatively, divide by 125.0000000.

What is 10 gigabit/s in megabyte/s?

10 gigabit/s is equal to 1250.00000 megabyte/s.

What is 100 gigabit/s in megabyte/s?

100 gigabit/s is equal to 12500.00000 megabyte/s.