Another option is to use the digital scale at a post office, though having your own digital scale … 1. There is often an off/on switch on the sides of the scales. It is very, very difficult. A kitchen scale is used for determining the weight of foods. Gram scales and carat scales are important to have at your jeweler’s bench to weigh precious metal during jewelry designing, weigh gemstones during jewelry appraisals, and can be used to weigh scrap gold … You can weigh gold on a kitchen scale, it's just not as accurate as the scale a professional would use. Sometimes it is on the top, 2. Digital scales are electronic and battery operated. Digital scales are often in use as kitchen scales … Most digital scales will turn off automatically within a few minutes of inactivity. These scales are available for as low as $15 at most stores that sell digital technology products. Switch on the scales. Digital scales weigh in whole grams though some may weigh as specific as in tenths of grams. You can weigh gold at home using a small digital gram scale. If you're planning on selling the gold, don't be surprised in the weight the buyer gets is … If the scales display does not illuminate, it either means that (a) the scales …