Enter your file size
Choose the size of the file you want to download. Common file sizes include MB, GB, and TB.
Free download time calculator
How Long Will Your Download Take?
Estimate how long it will take to download a file based on its size and your internet download speed.
Useful for games, videos, software, backups, and other large downloads. Free to use with no sign-up.
Download Time Calculator
Enter your file size and download speed.
Estimated download time
Enter your values
How it works
Estimate your download time
The calculator uses your file size and download speed to estimate how long the transfer should take.
Enter your download speed
Add your internet download speed in Kbps, Mbps, Gbps, or a compatible byte-per-second unit.
Get your estimated time
The result shows the estimated time required to complete the download at the selected speed.
Download Time = File Size ÷ Download Speed
File size represents the amount of data that needs to be transferred.
Download speed represents how quickly your connection can transfer that data.
The calculator converts the selected units before calculating the result. The estimate assumes the selected connection speed remains constant during the download.
Example file sizes
Common download sizes
These examples show how file size affects download time when your connection speed stays the same.
1 GB
A smaller download such as a large app, video, or software package.
10 GB
A common size for large games, software, or media.
50 GB
A large download that can take significant time on slower connections.
100 GB
A very large download where connection speed makes a major difference.
Download time guide
What affects actual download time?
A download time estimate depends mainly on the size of the file and the download speed available to you. Larger files take longer when the connection speed stays the same, while faster connections reduce the time required to transfer the same amount of data.
Internet providers normally advertise connection speeds in Mbps, meaning megabits per second. File sizes are commonly shown in MB or GB. Because a byte contains eight bits, these measurements are not directly interchangeable.
Real downloads can take longer than a theoretical calculation. Wi-Fi conditions, network congestion, server capacity, protocol overhead, and other network conditions can all affect the actual transfer speed.
For a more realistic estimate, treat the calculator result as a theoretical baseline rather than a guaranteed completion time.
More download tools
Need to calculate the required speed?
If you know how quickly you want a file to download and want to find out what internet speed you need, use the Download Speed Calculator.
Open Download Speed Calculator