I used to use one of those large kitchen scales with a clock face and a container on the top, they were cheap and very hit and miss, i replaced it with the Digital Kitchen Scale below from Argos and what a pleasure it is to use, one of its best features is you can put a container onto the scale then press a button to zero the display, a godsend when measuring sugar.
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which can weigh to 0.1 of a gram. I've got some of these too. Quite cheap off ebay/amazon and are/stay suprisingly accurate. I regularly check mine with a penny or other coins
