On 28 Apr 2018 at 19:31, Richard Aiken wrote:

> Or you could do like that other fellow up thread here did (IIRC) and
> change actual item weight into something like Load Points. These could
> be used to account for awkward/bulky items that are more troublesome
> than their weight alone implies. Four kilos of water is rather
> compact, but four kilos of pillows fills a small room. 

I suggest you weigh a few pillows. They are heavier than you think.

And air weighs roughly 1 kilo per m^3!