USB transfer Speed and Time Calculator

This tool calculates the time it takes to transfer data across a USB interface.

  • Enter the amount of data to be transferred (GB/MB/kB)
  • Select the type of USB interface

Example Calculation

To transfer 1 Terabyte of data it takes:

  • 61 days, 17 hours, 28 minutes, and 53 seconds over USB 1
  • 4 hours, 37 minutes, and 47 seconds over USB 2
  • 26 minutes, and 40 seconds over USB 3
  • 3 minutes, and 20 seconds over USB 4

USB Speed Table

USB InterfaceSpeed or Bandwidth
USB 11.5 Mbps
USB 1.112 Mbps
USB 2480 Mbps
USB 35 Gbps
USB 3.110 Gbps
USB 3.220 Gbps
USB 440 Gbps
USB 4 v280 Gbps
  • Mbps = Megabit per second
  • Gbps = Gigabit per second

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