A scale or balance is a device used to measure weight or mass. These are also known as mass scales, weight scales, mass balances, and weight balances.
Balance scale set, with weights
Scales used to measure the weight of fruit in a supermarket
Digital kitchen scale, a strain gauge scale
Weighing scale for a baby includes a ruler for height measurement.
In science and engineering, the weight of an object, is the force acting on the object due to acceleration of gravity.
A weighbridge, used for weighing trucks
Image: Weegschaal 1
Image: Bascula 9