Mbps to MB/s Converter
Understand the difference between connection speed and transfer speed.
Converted transfer rate
Uses decimal prefixes. This is a unit conversion, not a speed test.
Formula checked · NumberSwift · Review process
Common Mbps to MB/s conversions
Divide megabits per second by eight to obtain decimal megabytes per second. These exact unit conversions do not account for network overhead.
| Internet speed | Converted transfer rate |
|---|---|
| 10 Mbps | 1.25 MB/s |
| 25 Mbps | 3.13 MB/s |
| 50 Mbps | 6.25 MB/s |
| 100 Mbps | 12.5 MB/s |
| 300 Mbps | 37.5 MB/s |
| 500 Mbps | 62.5 MB/s |
| 1000 Mbps | 125 MB/s |
How this calculator works
Megabits per second measure bits; megabytes per second measure bytes. Their similar abbreviations often cause confusion. A lowercase b means bits and an uppercase B means bytes. The conversion changes the unit, not the actual speed of the connection. Network overhead may reduce the file transfer rate you observe.
Formula
1 byte = 8 bits
Assumptions & limitations
Uses decimal prefixes. This is a unit conversion, not a speed test.
Sources & reference material
- NIST: binary prefixes and bits/bytes ↗
Reference for unit definitions; not a validation of actual transfer speed.
Worked example
100 Mbps equals 12.5 MB/s.
Once the units match, the Download Time Calculator combines your transfer rate with a file size.
Our approach to calculations ↗Common questions
Why divide Mbps by eight?
One byte contains eight bits. A 100 Mbps rate therefore equals 12.5 MB/s before overhead.
Are KB/s and MB/s decimal here?
Yes. KB/s uses 1,000 bytes per second and MB/s uses 1,000,000. KiB/s and MiB/s are different binary units.
Will my download reach the converted rate?
The conversion is exact for the units. Actual file transfer speed depends on overhead, the server, storage and network conditions.