Unit Name Gravel, w/sand, natural 1 unit = x Gravel, w/sand, natural
aluminum 0.7264472 1.3765625
copper 0.215585 4.6385417
gold 0.0994819 10.0520833
gram/liter 1920 0.0005208
kilogram/liter 1.92 0.5208333
ounce/cubic foot 1917.6987615 0.0005215
ounce/cubic inch 1.1098304 0.9010385
silver 0.1826832 5.4739583
water 1.92 0.5208333