It might be difficult to memorize the various prefixes that are used throughout and on top of the base units within the metric system. Therefore, it might be helpful to utilize a mnemonic device to memorize the order of the prefixes used within the metric system. That is, the order -kilo...
One (which will work, I think, with versions of Biber after (I think) 0.9.7, including current versions, is to have a biber.conf file with an entry like this: <?xml version="1.0" encoding="UTF-8"?> <config> <sourcemap> <maps datatype="bibtex"> ...