Unit Name Rip-Rap 1 unit = x Rip-Rap
aluminum 0.6053727 1.651875
copper 0.1796542 5.56625
gold 0.0829016 12.0625
gram/liter 1600 0.000625
kilogram/liter 1.6 0.625
ounce/cubic foot 1598.0823012 0.0006258
ounce/cubic inch 0.9248587 1.0812462
silver 0.152236 6.56875
water 1.6 0.625