Convert download sizes between bytes, KB, MB, GB, TB, bits, megabits, gigabits, and binary storage units. Estimate download time from internet speed for files, apps, games, videos, backups, and cloud transfers.
GB to MB:
MB = GB × 1,000
MB to GB:
GB = MB ÷ 1,000
Bits to bytes:
bytes = bits ÷ 8
Download time:
time = file size ÷ download speed
Download size conversions are useful for games, apps, software updates, videos, movies, photos, documents, backups, cloud transfers, hosting files, email attachments, and storage planning.
Use this converter when comparing file size units or estimating how long a download might take at a given internet speed.
Your result shows the entered download size converted from the starting unit into the selected ending unit. The converter also shows common reference values in MB, GB, TB, bits, megabits, and gigabits.
The download time estimate uses the speed you enter and assumes ideal transfer speed. Actual download time may be slower because of Wi-Fi strength, server speed, network congestion, device limits, protocol overhead, and background activity.
Multiply GB by 1,000 for decimal megabytes. For example, a 5 GB download is about 5,000 MB.
Convert the file size and internet speed to matching units, then divide file size by speed.
No. Mbps means megabits per second, while MB/s means megabytes per second. 100 Mbps is about 12.5 MB/s before overhead.
Real downloads can be slower because of Wi-Fi signal, server limits, network congestion, device speed, VPNs, and transfer overhead.
Use MB for smaller files, GB for apps, games, videos, and software, and TB for very large backups or storage transfers.