Bandwidth Calculator

Estimate how long a file transfer takes at a given connection speed.

Ideal transfer time

2m 40s

at 100 Mbps

File size2 GB

Transfer speed12.5 MB/s

Ideal time in seconds160

Real-world noteProtocol overhead and network congestion add time

About the Bandwidth Calculator

Estimate how long a file transfer takes at a given connection speed.

It runs entirely in your browser — nothing you type is sent to a server — and the result updates as you edit the inputs. Estimates are for educational and informational purposes only; see ourdisclaimer.

Common searches

download time
internet speed
file transfer

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