User manual

Compilation Screen

Nero Express

Actual capacity of media formats

The actual capacity of the DVD5, DVD9, BD DL, and BDXL media formats is less

than as stated by the disc manufacturers. For example, the actual capacity of a

4.7 GB DVD5 is around 4.38 GB only.

This is because of different conversion systems. A DVD5-media format can han-

dle 4.700.000.000 bytes, but this number is not equal to the 4.7 GB stated by the

disc manufacturers. The correct conversion factor for bytes is not 1000, but 1024:

1024 byte = 1 KB

1024 KB * 1024 KB = 1 MB

1024 KB * 1024 KB * 1024 KB = 1 GB

A DVD can handle 4.700.000.000 bytes:

4.700.000.000 bytes = 4.589.843 KB = 4.482 MB = 4.377 GB

The capacity bar in Nero Express will always show you the correct amount of

bytes measured in MB or GB.