Cran (unit)

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A cran, from around 1796, was a unit of measure of landed uncleaned herring used in the North Sea fishing industry. It was the equivalent of one standard box of about 37.5 imperial gallons, which contained on average around 750 fish.

It also referred to the capacity of such boxes, which in metric units is about 170.5 liters.


  • Cardarelli, François - Encyclopedia of Scientific Units, Weights & Measures (Springer .2003 ISBN 1-85233-682-X