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Converting to Specific Gravity

For Liquids Lighter Than Water, Convert Degrees API to Specific Gravity

Specific Gravity=
141.5

131.5+Degrees API
°API Specific Gravity Lbs. per Gal. °API Specific Gravity Lbs. per Gal. °API Specific Gravity Lbs. per Gal. °API Specific Gravity Lbs. per Gal. °API Specific Gravity Lbs. per Gall
10 1.000 8.33 31 0.871 7.25 52 0.7712 6.42 73 0.6926 5.76 91 .636 5.29
11 0.993 8.27 32 0.865 7.21 53 0.7670 6.39 74 0.6893 5.73 92 .633 5.27
12 0.986 8.21 33 0.860 7.16 54 0.7637 6.35 75 0.6859 5.70 93 .630 5.25
13 0.979 8.16 34 0.855 7.12 55 0.7597 6.32 76 0.6826 5.68 94 .628 5.22
14 0.973 8.10 35 0.850 7.08 56 0.7556 6.28 77 0.6793 5.65 95 .625 5.20
15 0.966 8.04 36 0.845 7.03 57 0.7516 6.28 78 0.6750 5.62 96 .622 5.18
16 0.959 7.99 37 0.840 6.99 58 0.7476 6.22 79 0.6728 5.60 97 .619 5.15
17 0.953 7.94 38 0.835 6.95 59 0.7437 6.18 80 0.6696 5.57 98 .617 5.13
18 0.946 7.88 39 0.830 6.91 60 0.7398 6.15 81 0.6665 5.54 99 .614 5.11
19 0.940 7.83 40 0.825 6.87 61 0.7359 6.12 82 0.6634 5.52 100 .611 5.09
20 0.934 7.78 41 0.820 6.83 62 0.7310 6.09 83 0.6603 5.49 ····· ····· ·····
21 0.928 7.73 42 0.816 6.79 63 0.7283 6.06 84 0.6572 5.47 ····· ····· ·····
22 0.921 7.68 43 0.811 6.75 64 0.7246 6.03 85 0.6541 5.44 ····· ····· ·····
23 0.916 7.63 44 0.806 6.71 65 0.7209 5.99 86 0.6511 5.42 ····· ····· ·····
24 0.910 7.58 45 0.802 6.68 66 0.7172 5.96 87 0.6481 5.39 ····· ····· ·····
25 0.904 7.53 46 0.797 6.64 67 0.7136 5.93 88 0.6452 5.37 ····· ····· ·····
26 0.898 7.48 47 0.793 6.60 68 0.7090 5.90 89 0.6422 5.34 ····· ····· ·····
27 0.893 7.43 48 0.788 6.56 69 0.7065 5.87 90 0.6393 5.32 ····· ····· ·····
28 0.887 7.39 49 0.784 6.53 70 0.7020 5.85 ····· ····· ····· ····· ····· ·····
29 0.882 7.34 50 0.780 6.49 71 0.6995 5.82 ····· ····· ····· ····· ····· ·····
30 0.876 7.30 51 0.775 6.46 72 0.6950 5.79 ····· ····· ····· ····· ····· ·····

For Liquids Heavier Than Water, Convert Degrees Baumé to Specific Gravity

Specific Gravity=
145

145-Degrees Baumé
°Baumé Specific Gravity Lbs. per Gal. °Baumé Specific Gravity Lbs. per Gal. °Baumé Specific Gravity Lbs. per Gal. °Baumé Specific Gravity Lbs. per Gal. °Baumé Specific Gravity Lbs. per Gal.
0 1.000 8.33 10 1.074 8.95 20 1.160 9.67 30 1.260 10.50 40 1.381 11.51
1 1.006 8.38 11 1.082 9.02 21 1.169 9.74 31 1.271 10.59 45 1.450 12.08
2 1.014 8.45 12 1.090 9.08 22 1.178 9.82 32 1.283 10.69 50 1.526 12.72
3 1.021 8.51 13 1.098 9.15 23 1.188 9.90 33 1.294 10.78 55 1.611 13.42
4 1.028 8.57 14 1.106 9.22 24 1.198 9.98 34 1.306 10.88 60 1.705 14.21
5 1.035 8.62 15 1.115 9.29 25 1.208 10.07 35 1.318 10.98 65 1.812 15.10.
6 1.043 8.69 16 1.125 9.37 26 1.218 10.15 36 1.330 11.08 70 1.933 16.11
7 1.050 8.75 17 1.132 9.43 27 1.228 10.23 37 1.342 11.18 ····· ····· ·····
8 1.058 8.82 18 1.141 9.51 28 1.239 10.32 38 1.355 11.29 ····· ····· ·····
9 1.066 8.88 19 1.150 9.58 29 1.250 10.42 39 1.367 11.39 ····· ····· ·····

Atmospheric Pressure Conditions for Elevations Above Sea Level

Altitude Above Sea Level Atmospheric Pressure Pounds/sq. in. Barometer Reading Inches of Mercury Equivalent Head or Water Feet Reduction to Max. Practical Dyn. Suction Lift in Feet
0 14.7 29.929 33.95 0
1000 14.2 28.8 32.7 1.2
2000 13.6 27.7 31.6 2.3
3000 13.1 26.7 30.2 3.7
4000 12.6 25.7 29.1 4.8
5000 12.1 24.7 27.9 6
6000 11.7 23.8 27. 6.9
7000 11.2 22.9 25.9 8
8000 10.8 22.1 24.9 9
Disclaimer: OEC Fluid Handling expressly disclaims any responsibility or liability for any damage, loss, or injury arising out of the use of the above reference material. The information is intended solely for the general information of the reader. While effort is made to make the information as accurate as possible, it should not be relied upon as being comprehensive or error-free.