A weighing scale is a device to measure weight or mass. These are also known as mass scales, weight scales, mass balance, weight balance, or simply scale, balance, or balance scale. The traditional scale consists of two plates or bowls suspended at equal distances from a fulcrum. Weighing scale is a tool for determining weight or mass. Mass scales, weight scales, mass balances, and weight balances are all synonyms for the same item. The scale is made available in various types.