how much does aluminum weigh?
<answer> One cubic inch of aluminum weighs 1.56 ounces. The density of aluminum is 2.7 grams per milliliter. <context> Quick Answer. One cubic inch of aluminum weighs 1.56 ounces. The metal sinks in water, but it is still relatively lightweight. The density of aluminum is 2.7 grams per milliliter. Aluminum is used as a metal foil, a conductor of electricity and in the construction of airplane fuselages.