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Convert Mbps, MB/s, Gbps, kB/s and MiB/s, and work out how long a download or upload takes at that speed.
Also covers: Mbps to MB/s · Digital transfer-rate converter · Download time calculator · Bandwidth converter
Internet plans are sold in bits per second (Mbps); downloads show bytes per second (MB/s). 1 byte = 8 bits.
Megabit per second to Megabyte per second
12.5 MB/s
100 Mbit/s = 12.5 MB/s
Working
100 Mbit/s in every unit
Mbit/s to MB/s table
| Mbit/s | MB/s |
|---|---|
| 1 | 0.125 |
| 2 | 0.25 |
| 5 | 0.625 |
| 10 | 1.25 |
| 20 | 2.5 |
| 50 | 6.25 |
| 100 | 12.5 |
| 500 | 62.5 |
| 1,000 | 125 |
Download / upload time at this rate
Real transfers lose some speed to protocol overhead and congestion — try 10%.
5 min 20 s
4,000,000,000 bytes at 100 Mbit/s.
Type the rate, for example your plan's 100 Mbps.
Bits per second (how internet plans are sold) or bytes per second (how downloads show progress).
Add a file size to see how long it takes at that speed, with optional overhead.
12.5 MB/s. Divide megabits per second by 8 to get megabytes per second.
Protocol overhead, Wi-Fi, congestion and the server's own limit all eat into it. Try 10–20% overhead in the time calculator.
A lower-case b is bits, upper-case B is bytes. 1 MBps (MB/s) = 8 Mbps.
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