Megabits per second (Mbps) is a measure of Internet upload and download speed. There are approximately 8 megabits for every megabyte. A download speed of 100 Mbps means that you can download 12.5 megabytes of data per second.
Download speed refers to how fast you can receive Internet data on your device. A fast download speed means that web pages will load faster, which translates into less buffering when streaming video.
Upload speed refers to how fast you can send data from your device to the Internet. A fast upload speed means you will be able to send email attachments faster. You will also experience fewer dropouts during video conferences.
For video conferencing you need a download speed of at least 1-6 Mbps. To stream 4K video, you need 25 Mbps. If you want to use many devices at the same time, it is good to have 50-100Mbps or more. The average download speed in the United States is 96 Mbps.
To stream live HD video, you need an upload speed of at least 3-6 Mbps. If you want to stream live 4K video at 60 frames per second, it is good to have an upload speed of 20-50 Mbps or more. The average upload speed in the United States is 33 Mbps.