Work out game download time instantly with clear inputs, formula shown and shareable results.
File size in gigabytes is converted to megabits by multiplying by 8000, then divided by the effective connection speed after overhead is deducted. The eight-fold bits-to-bytes conversion is why a 100 Mbps line downloads at only about 12 MB per second, and overhead takes another slice on top.
Download time
seconds = size in GB x 8000 / effective Mbps
Effective speed
effective = advertised speed x (1 - overhead)
seconds = size in GB x 8000 / effective Mbps. File size in gigabytes is converted to megabits by multiplying by 8000, then divided by the effective connection speed after overhead is deducted.
The eight-fold bits-to-bytes conversion is why a 100 Mbps line downloads at only about 12 MB per second, and overhead takes another slice on top.
Enter download size, connection speed, protocol and throttling overhead. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.