The Modem Speed Converter
(used on the former Screenshots for Windows websites)

From download of file, enter KB transfer rate, click Convert.

Enter value: 

(dslreports.com gives results in kbps)

  bits/sec
  Bytes/sec
 times faster than dialup  <--
 kbps (kilobits/sec)
Calculated using 50k (kbps/50)
 KBps (Kilobytes/sec)
  mbps (megabits/sec)
  Mbps (Megabytes/sec)

time to download a file at this speed:

filesize:    hr  min  sec

SPEED
8 bits = 1 Byte
1 kilobit (kb) = 1000 bits
1 Kilobyte (KB) = 1000 Bytes
1 megabit (mb) = 1000 kilobits
1 Megabyte (MB) = 1000 Kilobytes

FILESIZE
1 Kilobyte (2^10) = 1024 Bytes
1 Megabyte (2^20) = 1024 Kilobytes
1 Gigabyte (2^30) = 1024 Megabytes

View the JavaScript code (opens into new window)