What Mbps and MB/s mean
Enter a rate such as 100 Mbps or 12.5 MB/s. The paired rate appears instantly, and presets and a common-conversion table make familiar internet plans easy to compare.
Mbps vs MB/s: bits and bytes
Mbps means megabits per second. MB/s means megabytes per second. A byte contains 8 bits, so divide Mbps by 8 to get MB/s: 100 Mbps ÷ 8 = 12.5 MB/s. To convert MB/s back to Mbps, multiply by 8.
What is 1 Gbps in MB/s?
1 Gbps equals 125 MB/s in an ideal conversion. Actual download rates can be lower because of Wi-Fi conditions, server limits, protocol overhead, and network congestion.
How to convert Mbps to MB/s
Convert Mbps to MB/s by dividing by 8. Convert bytes per second to bits per second by multiplying by 8. Network-rate prefixes use decimal units (1,000).
Common internet speed conversions
100 Mbps ÷ 8 = 12.5 MB/s. In reverse, 12.5 MB/s × 8 = 100 Mbps.
Why real downloads may be slower
Lowercase b means bits; uppercase B means bytes. Mbps and MB/s are both rates. MB by itself is a static file size, so it cannot be converted to Mbps without a time interval.
Compare a plan with a file transfer
Compare an internet plan’s advertised speed with the rate shown by a browser or download app, or convert a byte-per-second rate back to Mbps.
Questions and answers
How many MB/s is 100 Mbps?
100 Mbps is 12.5 MB/s before network overhead.
Is 100 Mbps equal to 100 MB/s?
No. Mbps means megabits per second and MB/s means megabytes per second. 100 Mbps equals 12.5 MB/s.
What is 1 Gbps in MB/s?
1 Gbps is 125 MB/s using decimal network units.
Can I convert bytes to Mbps?
Yes, when the value is a transfer rate such as MB/s. A static file size such as MB needs a file size and time to become a rate.
Why can real downloads be slower?
Wi-Fi conditions, server limits, protocol overhead, and network congestion reduce real throughput.