Mbps to MB/s Converter
Convert Mbps (megabits per second) to MB/s (megabytes per second) instantly for downloads, streaming and network planning.
Last updated: May 2026
Enter a value to see the conversion instantly.
How to convert Mbps to MB/s
Enter a value in Mbps to instantly see the equivalent in MB/s. The formula is: MB/s = Mbps / 8. One byte equals 8 bits, so 100 Mbps equals 12.5 MB/s. This conversion matters for download speeds vs network rates.
Common reference values
| Mbps (megabits/sec) | MB/s (megabytes/sec) | Typical use |
|---|---|---|
| 25 Mbps | 3.125 MB/s | Standard streaming |
| 50 Mbps | 6.25 MB/s | HD streaming |
| 100 Mbps | 12.5 MB/s | Gigabit lite |
| 200 Mbps | 25 MB/s | 4K streaming |
| 500 Mbps | 62.5 MB/s | Premium broadband |
| 1000 Mbps | 125 MB/s | Gigabit fiber |
| 10000 Mbps | 1250 MB/s | 10 Gbps network |
Understanding Mbps and MB/s
Mbps measures network bandwidth in megabits per second. MB/s measures file transfer speed in megabytes per second. Since 1 byte = 8 bits, MB/s is always 1/8 of Mbps. ISPs advertise speeds in Mbps but file managers show MB/s, which is why downloads seem slower than your plan suggests.
When You'll Need This Conversion
Use this converter for: Comparing ISP plans, estimating download times, planning network upgrades, checking if your speed matches advertised plans.
Frequently Asked Questions
Why does my download seem slower than my plan?
Because ISPs advertise in Mbps (bits) but file managers show MB/s (bytes). Divide your Mbps plan by 8 to get the actual download MB/s. A 100 Mbps plan gives 12.5 MB/s maximum.
What is the difference between Mbps and MBps?
Lowercase b means bits, uppercase B means bytes. 1 byte = 8 bits, so MBps (megabytes/sec) is 8x larger than Mbps (megabits/sec). MB/s and MBps mean the same thing.
How long to download a 1 GB file?
On 100 Mbps (12.5 MB/s), a 1 GB file takes about 80 seconds. On 1 Gbps (125 MB/s), it takes about 8 seconds. Real speeds vary due to network conditions.
Is 100 Mbps fast enough for 4K streaming?
Yes, 4K streaming needs 15-25 Mbps. 100 Mbps comfortably handles multiple 4K streams plus other internet activity.
Why do ISPs use Mbps instead of MB/s?
Historically, network speeds were measured in bits. Mbps gives larger numbers that sound more impressive in marketing. The actual file transfer speed in MB/s is 1/8 of Mbps.