Unit Name Concrete, Gravel 1 unit = x Concrete, Gravel
aluminum 0.908059 1.10125
copper 0.2694812 3.7108333
gold 0.1243523 8.0416667
gram/liter 2400 0.0004167
kilogram/liter 2.4 0.4166667
ounce/cubic foot 2397.1234519 0.0004172
ounce/cubic inch 1.387288 0.7208308
silver 0.2283539 4.3791667
water 2.4 0.4166667