Bandwidth Calculator
Estimate ideal download time from file size and connection speed.
Processing stays in your browser. Mbps counts bits, while MB counts bytes. Real transfers take longer because of protocol overhead, latency, and variable throughput.
How to use the bandwidth calculator
Estimate ideal download time from file size and connection speed. Complete the file size, file size unit, speed (mbps) fields above. Choose Run tool, review the output, then copy or download the result.
Example
100 MB at 100 Mbps takes an ideal 8 seconds.
Good to know
Mbps counts bits, while MB counts bytes. Real transfers take longer because of protocol overhead, latency, and variable throughput.