storing data - How to correctly store and process different measure units of ingredients in food service CMS? -

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i have backend system restaurants & food services. on front end people using huge variety of measure units recipes , such (kilo, cup, gallon, pint, small spoon, big spoon, pinch of salt, dash of pepper , on). need convert small , indivisible make calculations, reports , analytics , backend. however, show info , reports user have convert stuff backwards 'user-friendly' measure units.

thus can lead errors in numbers (round-off errors , such).

what best practice deal that? thank you!


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