Gravity / Density Conversions

For Liquids at 60F (15.6C) Specific gravity Density API gravity Specific gravity Density grams/cc Pounds/gal grams/cc Pounds/gal. 0 1.074 8.963 31 0.869 7.252 1 1.065 8.888 32 0.863 7.202 2 1.057 8.821 33 0.858 7.160 3 1.050 8.763 34 0.853 7.119 4 1.042 8.696 35 0.848 7.077 5 1.034 8.629 36 0.843 7.035 6 1.027 8.571 37 0.838 6.993 7 1.019 8.504 38 0.833 6.952 8 1.012 8.446 39 0.828 6.910 9 1.005 8.387 40 0.823 6.868 10 0.998 8.329 41 0.818 6.827 11 0.991 8.270 42 0.814 6.793 12 0.984 8.212 43 0.809 6.751 13 0.977 8.153 44 0.804 6.710 14 0.970 8.095 45 0.800 6.676 15 0.964 8.045 46 0.795 6.635 16 0.957 7.987 47 0.791 6.601 17 0.951 7.936 48 0.786 6.559 18 0.944 7.878 49 0.782 6.526 19 0.938 7.828 50 0.778 6.493 20 0.932 7.778 51 0.774 6.459 21 0.926 7.728 52 0.769 6.418 22 0.920 7.678 53 0.765 6.384 23 0.914 7.628 54 0.761 6.351 24 0.908 7.578 55 0.757 6.317 25 0.902 7.528 56 0.753 6.284 26 0.896 7.477 57 0.749 6.251 27 0.891 7.436 58 0.745 6.217 28 0.885 7.386 59 0.741 6.184 29 0.880 7.344 60 0.737 6.151 30 0.874 7.294 61 0.733 6.117 Note: The information contained herein represents typical product characteristics and is subject to change based upon product research and improvement. API gravity

The relative density of a hydrocarbon based on a scale of degrees API. Density in g/cc = (141 / (131 +API0)).