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      Home About Us Technical Info Quality Control Contact Us 中文版

      Useful Technical Information

      LIQUID MEASURE

      cubic meter Litre millilitre Imp gallon U.S gallon cubic foot
      1 1000 10 6 220 264.2 35.3147
      0.001 1 1000 0.22 0.2642 0.0353
      10 -6 0.001 1 2.2 * 10 -4 2.642 * 10 -4 3.53 * 10 -5
      0.00455 4.5467 4546 1 1.201 0.1605
      0.00378 3.785 3785 0.8327 1 0.1337
      0.0283 37.31 28 317 6.2288 7.4805 1

      VOLUMETRIC RATE OF FLOW

      litre per sec litre per min cubic m per hr cubic foot per hr cubic foot per min Imp gallon per min U.S.galon per min U.S barrel per day
      1 60 3.6 127.133 2.1189 13.2 15.85 543.439
      0.017 1 0.006 2.1189 0.0353 0.22 0.264 90.57
      0.278 16.667 1 35.3147 0.5886 3.666 4.403 150.955
      0.008 0.472 0.0283 1 0.0167 0.104 0.125 4.275
      0.472 28.317 1.6990 60 1 6.229 7.480 256.475
      0.076 4.546 0.2728 9.6326 0.1605 1 1.201 41.175
      0.063 3.785 0.2271 8.0209 0.1337 0.833 1 34.286
      0.002 0.110 0.0066 0.2339 0.0039 0.024 0.029 1

      FORCE

      newton kilonewton kilogram force (kilopond) pound force
      1 0.001 0.102 0.225
      1000 1 101.97 224.81
      9.807 0.0098 1 2.205
      4.448 0.0044 0.454 1

      GENERAL EQUIVALENTS

      1 kilometer 1000 meters = 0.62137 miles
      1 mile 1609.34 meters = 1.60934 kilometers
      1 acre 4046.86 m squared = 0.404686 hectare
      1 hectare 1.000 *10 000 m squared = 2.471 acre
      1 U.S. Barrel 42 U.S. gallons (petroleum measure) = 34.97 Imp. Gallons = 0.159 m 3
      1 litre 10 000 000 mm cubed = 10 000 cm 3 or 1 cubic decimeter
        1.76 U.K pints = 2.133 U.S. pints.
      1 Pascal 1 newton per square meter
      1 millimeter Hg is also called "torr"
      1 joule 1 newton meter
      1 watt 1 joule per sec = 1 newton meter per sec
      Density 1 gram per cm 3 = 1000 kg per m 3 = 0.0361 pounds per inch 3
        1 kg per m 3 = 0.001 grams per m 3 = 0.0624 pounds per foot 3
      Specific Volume 1 cm 3 per gram = 0.001 m 3 per kg = 27.68 inch 3 per pound
        1 m 3 per kg = 1000 cm 3 per gram = 16.0185 foot 3 per pound.
         
      International standard atmosphere
        (1atm) = 101 325 pascals or 1.013 25 bar. This equals 1.033 23 kilogam force per cm 2 or 14.6959 pound force per inch 3
       
      In meteorology 1 millibar = 100 pascal

      Conversion Equivalents

      These conversion equivalents are based generally on A.S. 1376 - 1974.
      In some cases the degree of rounding has been adjusted.
       

      Length

      Millimeter mm centimeter cm meter m inch in foot ft yard yd
      1 0.1 0.001 0.0394 0.0033 0.0011
      10 1 0.01 0.3937 0.0328 0.0109
      1000 100 1 39.3701 3.2808 1.0936
      25.4 2.54 0.0254 1 0.0833 0.0278
      304.8 30.48 0.3048 12 1 0.3333
      914.4 91.44 0.9144 36 3 1

      AREA

      square mm square cm square meter square inch square foot square yard
      1 0.01 10 -6 1.55 * 10 -3 1.076 * 10 -5 1.196 * 10 -6
      100 1 10 -4 0.155 1.076 * 10 -3 1.196 * 10 -4
      10 6 10 000 1 1550 10.764 1.196
      645.16 6.4516 6.452 * 10 -4 1 6.944 * 10 -3 7.716 * 10 -4
      92 903 929.03 0.093 144 1 0.111
      836 127 8361.27 0.836 1296 9 1

      PRESSURE & Liquid Head

        newton per m 2 kilopascal Bar kg force per cm 2 pound force per in 2
      newton per m 2 1 0.001 10 5 1.02 * 10 5 1.45 * 10 -4
      kilopascal 1000 1 0.01 1.02 * 10 -2 0.145
      bar 100000 100 1 1.02 14.5
      kg force per cm 2 98067 98.07 0.981 1 14.22
      pound force per inch 2 9895 6.895 0.069 0.0703 1
      ft of water 2984 2.984 0.03 0.0305 0.433
      m of water 9789 9.789 0.098 0.1 1.42
      mm of mercury 133.3 0.133 0.0013 0.0014 0.019
      inch of mercury 3386 3.386 0.0338 0.0345 0.491

        

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