Megabits per second to gigabits per second converter
Convertersconversion pair
Convert Mbps to Gbps instantly: 1,000 Mbps make 1 Gbps. The step between a fast home plan and the links inside a data centre.
a thousand megabits is one gigabit, and the marketing department knows it.
work surface
Math, not advice — results are indicative.Read the disclaimer.
pro tips
Divide by 1,000, not by 1,024. Network prefixes are decimal.
A 2.5 Gbps port is 2,500 Mbps, which is why the labels sometimes look inconsistent between devices.
When comparing plans, convert everything to Mbps; the numbers are easier to line up.
what it does
One gigabit per second is 1,000 megabits per second, so the conversion is a clean divide by a thousand. It is the same prefix step as metres to kilometres, applied to a data rate.
Home plans sit in the hundreds of Mbps, while office links and data-centre ports are usually quoted in Gbps. Converting between them keeps a spreadsheet or a capacity plan from comparing 500 with 0.5 and drawing the wrong conclusion.
Quick values: 100 Mbps is 0.1 Gbps, 500 Mbps is 0.5 Gbps, and 2,500 Mbps is 2.5 Gbps. The last one is common in newer fibre installations and is usually written as 2.5G rather than 2,500M.
Enter a megabit value and the widget answers in gigabits as you type. Copy the result, or swap to the Gbps-to-Mbps page when the source is the other way round.
quick answers
Is 1,000 Mbps the same as 1 Gbps?
Yes, exactly. The prefix giga means 1,000 times mega, and network speeds use decimal prefixes.
Why do some devices say 2.5G instead of 2,500M?
Because 2.5 Gbps is shorter and matches the port's marketing name. Electrically and numerically it is the same 2,500 Mbps.
Which unit should I use for a home plan?
Mbps is the familiar one, and it keeps the numbers whole. Gbps becomes useful once you are comparing several links or reading data-centre specs.