Machinery's Handbook, 31st Edition
Pressure and Stress Conversion Factors Units of Pressure and Stress Table 35. Pressure and Stress Conversion Factors
2861
1 pound per square inch =
1 kilogram per sq. millimeter (kg f /mm 2 ) = 1422.32 pounds per square inch 1 kilogram per sq. centimeter (kg f /cm 2 ) = 14.223 pounds per square inch 1 bar = 1,000,000 dynes per square centimeter 1000 millibars 100 kilopascals 750.06168 torr 1.0197162 kg force per cm 2 14.50377 pounds per square inch 29.529983 inches of mercury at 0 ° C 10,197.162 mm water at 4 ° C 33.455256 feet of water at 4 ° C
144 pounds per square foot 0.068 atmosphere 2.042 inches of mercury at 62 ° F 27.7 inches of water at 62 ° F 2.31 feet of water at 62 ° F 0.0703 kilogram per square centimeter 6.894757 kilopascals 6894.757 pascal
1 atmosphere =
30 inches of mercury at 62 ° F 14.7 pounds per square inch 2116.3 pounds per square foot 33.95 feet of water at 62 ° F 62.355 pounds per square foot 0.433 pound per square inch 1 inch of mercury at 62 ° F = 1.132 foot of water 13.58 inches of water 0.491 pound per square inch 1 inch of water = 0.0735559 inch mercury at 0 ° C 1.8683205 torr 1 foot of water at 62 ° F =
1 millibar =
100,000 dynes per square centimeter 100 pascal
1 torr =
760 millimeters mercury 1 ∕ 760 atmosphere 133.224 pascal 1.333224 millibar
0.5780367 ounce force per square inch 0.0024583 atmosphere Table 36a. Pounds per Square Inch to Kilograms per Square Centimeter Conversion lb/in 2 kg/cm 2 lb/in 2 kg/cm 2 lb/in 2 kg/cm 2 lb/in 2 kg/cm 2 lb/in 2 kg/cm 2 1,000 70.307 100 7.031 10 0.703 1 0.070 0.1 0.007 2,000 140.614 200 14.061 20 1.406 2 0.141 0.2 0.014 3,000 210.921 300 21.092 30 2.109 3 0.211 0.3 0.021 4,000 281.228 400 28.123 40 2.812 4 0.281 0.4 0.028 5,000 351.535 500 35.153 50 3.515 5 0.352 0.5 0.035 6,000 421.842 600 42.184 60 4.218 6 0.422 0.6 0.042 7,000 492.149 700 49.215 70 4.921 7 0.492 0.7 0.049 8,000 562.456 800 56.246 80 5.625 8 0.562 0.8 0.056 9,000 632.763 900 63.276 90 6.328 9 0.633 0.9 0.063 10,000 703.070 1,000 70.307 100 7.031 10 0.703 1.0 0.070 1 lb/in 2 = 0.07030697 kg/cm 2 Table 36b. Kilograms per Square Centimeter to Pounds per Square Inch Conversion kg/cm 2 lb/in 2 kg/cm 2 lb/in 2 kg/cm 2 lb/in 2 kg/cm 2 lb/in 2 kg/cm 2 lb/in 2 100 1,422.33 10 142.23 1 14.22 0.1 1.42 0.01 0.14 200 2,844.67 20 284.47 2 28.45 0.2 2.84 0.02 0.28 300 4,267.00 30 426.70 3 42.67 0.3 4.27 0.03 0.43 400 5,689.34 40 568.93 4 56.89 0.4 5.69 0.04 0.57 500 7,111.67 50 711.17 5 71.12 0.5 7.11 0.05 0.71 600 8,534.00 60 853.40 6 85.34 0.6 8.53 0.06 0.85 700 9,956.34 70 995.63 7 99.56 0.7 9.96 0.07 1.00 800 11,378.67 80 1,137.87 8 113.79 0.8 11.38 0.08 1.14 900 12,801.01 90 1,280.10 9 128.01 0.9 12.80 0.09 1.28 1,000 14,223.34 100 1,422.33 10 142.23 1.0 14.22 0.10 1.42 1 kg/cm 2 = 14.22334 lb/in 2
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