What does a balance measure?
Glad you asked...
A balance measures the weight or mass of an object. Some balances measures the mass (weight) in grams, ounces, and pounds. Depending the size of the balance you can measure something really big or small.
Amerala89, Shopping Expert
Then again, this answer might help you...
A balance, normally referred to as a weighing scale, measures the weight or mass of an object. The oldest record of a balance weighing scale is 2400 - 1800 B.C.E..
janetlusk, Shopping Expert