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Comment by darkwater | Hacker News Reader

Hectolitres and hectograms are used fairly often (the latter, daily) in Italian, for example.

Hectolitre is 100 litres, not 100ml, but hectogram is 100g, not 100kg? Very confusing!

I mean

    Hecto = 100
    Hectoliter = 100 litres
    Hectogram = 100 grams

    Kilo = 1000
    Kiloliter = 1000 litres
    Kilogram = 1000 grams

It doesn't look that confusing?

Well yeah, litres and grams are the base units. Just because 1ml is 1g of water doesn't change how SI prefixes work.

I would have thought if gram is the base unit for weight then millilitre is the base for volume, but I must be wrong