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Internet Speed Calculator
Internet speeds are quoted in megabits while downloads are measured in megabytes, so dividing by eight converts between them. A 100 Mbps line delivers about 12.5 MB per second, which is the number that matters for file transfers.
How it works
Connection speed
File size
Simultaneous heavy devices
Protocol overhead
Ping latency
Speed in megabytes per second
Time to download the file
Bandwidth per device
Simultaneous 4K streams possible
Simultaneous HD streams possible
Suitable for online gaming?
Frequently asked questions
How do I use the Internet Speed Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.