Unit converter
Data transfer rate.
Convert Mbit/s to MB/s, or pick any of the 7 units in the menus. Type in either box and the other follows. Broadband is sold in bits per second and downloads are measured in bytes per second. The factor of eight between them is this page's whole point.
| Mbit/s | MB/s |
|---|---|
| 1 Mbit/s | 0.125 MB/s |
| 2 Mbit/s | 0.25 MB/s |
| 3 Mbit/s | 0.375 MB/s |
| 4 Mbit/s | 0.5 MB/s |
| 5 Mbit/s | 0.625 MB/s |
| 10 Mbit/s | 1.25 MB/s |
| 15 Mbit/s | 1.875 MB/s |
| 20 Mbit/s | 2.5 MB/s |
| 25 Mbit/s | 3.125 MB/s |
| 50 Mbit/s | 6.25 MB/s |
| 75 Mbit/s | 9.375 MB/s |
| 100 Mbit/s | 12.5 MB/s |
| 250 Mbit/s | 31.25 MB/s |
| 500 Mbit/s | 62.5 MB/s |
| 1000 Mbit/s | 125 MB/s |
- Every unit in the menus is defined against bit/s, so any pairing converts by the same single route.
Definitions
- Megabits per second is how broadband is sold. It counts bits, so it is eight times smaller than the download figure your browser shows.
- Megabytes per second is how download managers report progress. A 100 Mbit/s line tops out at about 12.5 MB/s.
- Broadband speeds are sold in bits per second; file sizes are measured in bytes. One byte is eight bits, so confusing MB/s with Mbit/s creates an eightfold error.
- Every unit in the menus is exact by definition, so the only rounding on this page is the one you choose for the display.
How it works
Every value is converted into bit per seconds and then back out into the unit you asked for. One route covers every pairing in the menus, so an unusual combination is no less accurate than a common one, and adding a unit affects only that unit.
Both boxes are live. Whichever one you last typed in is the source, changing either menu recalculates straight away, and Swap exchanges the units and the values so the number you are reading stays where you are looking.
Display precision limits significant figures rather than decimal places, because one fixed number of decimals is useless across a range this wide. Very large and very small results switch to scientific notation with a proper superscript exponent. The editable box always holds a plain number at full working precision, so you can carry on from either side.
Common questions this answers: how many megabytes per second in a megabit per second (0.125), how many megabits per second in a megabyte per second (8), and what 100 Mbit/s is in megabytes per second (12.5 MB/s).
Common conversions
- Free
- No ads
- No tracking
- No account
- Works offline once loaded
From the maker of Ans — a scientific calculator you can own. Same idea: a proper instrument, nothing in the way.