Conversion table for throughput speeds Enter desired value in a field and hit "Calculate"   SI Values*   BI Values* bits (b): Bytes (B): kilobits (kb): Kilobytes (KB): megabits (mb): Megabytes (MB): gigabits (gb): Gigabytes (GB): * SI values are calculated using the Internation System of Units   BI values are calculated using Binary Units.   Binary units are prefered by operating systems File Size Bandwidth Calculator Determine how long it will take to transfer a file at each connection speed File Size         Type of Connection bits per second hours : minutes : seconds 14.4 kbps 14,400 bps 28.8 kbps 28,800 bps 33.6 kbps 33,600 bps 56 kbps 56,000 bps 64K ISDN 64,000 bps 128K ISDN 128,000 bps 640K-DSL 640,000 bps 1.54M T1/1.5-DSL 1.5 Mbps T3/DS3 45 Mbps OC3 (3 DS-3, 84 DS-1, 2016 DS-0) 156 Mbps OC12 (12 DS-3, 336 DS-1, 8064 DS-0) 622Mbps OC48 (48 DS-3, 1008 DS-1, 24192 DS-0) 2488 Mbps