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CONVERSION CHARTS
THE STANDARD WAY OF CONVERSION:

Viscosity Conversion Table

SAYBOLT UNIVERSAL SSU STOKES CENTI STOCKES POISES* CENTI* POISES ENGLER SECONDS REDWOOD # 1 SECONDS TYPICAL LIQUIDS at 70°F
31 .010 1.00 .008 .8 54 29 Water
35 .025  2.56 .020 2.05 59 32.1 Kerosene
50 .074 7.40 .059 5.92 80 44.3 #2 Fuel Oil
80 .157 15.7 .126 12.6 125 69.2 #4 Fuel Oil
100 .202 20.2 .162 16.2 150 85.6 Transformer Oil
200 .432 43.2 .346 34.6 295 170 Hydraulic Oil
300 .654 65.4 .522 52.2 470 254 SAE 10W Oil
500 1.10 110 .88 88.0 760 423 SAE 10 Oil
1,000 2.16 220 1.73 173 1,500 896 SAE 20 Oil
2,000 4.40 440 3.52 352 3,000 1,690 SAE 30 Oil
5,000 10.8 1,080 8.80 880 7,500 4,230 SAE 50 Oil
10,000 21.6 2,160 17.0 1,760 15,000 8,460 SAE 60-70 Oil
50,000 108 10,800 88 8,800 75,000 43,660 Molasses B
100,000 216 21,600 173 17,300 150,000 88,160 Molasses C

* Poises and centipoises are given for oil of 0.8 specific gravity. Relationship centistokes x specific gravity = centipoises
 

Conversion Table

Pressure in Lbs/in to Feet of Head
POUNDS PRESSURE FT. OF HEAD   POUNDS PRESSURE FT. OF HEAD
1 2.31   19 43.9
2 4.62   20 46.2
3 6.93   25 57.7
4 9.24   30 69.3
5 11.6   35 80.8
6 13.9   40 92.4
7 16.2   45 103.9
8 18.5   50 115.5
9 20.8   55 127.0
10 23.1   60 138.6
11 25.4   65 150.1
12 27.7   70 161.7
13 30.0   75 173.2
14 32.3   80 184.8
15 34.6   85 196.3
16 37.0   90 207.9
17 39.3   95 219.4
18 41.6   100 230.9
Conversion of Thermometer Readings
Degree Centigrade to Degrees Fahrenheit
C F C F C F C F
-40 -40.0 +5 41.0 40 104.0 175 347
-38 -36.4 6 42.8 41 105.8 180 356
-36 -32.8 7 44.6 42 107.6 185 365
-34 -29.2 8 46.4 43 109.4 190 374
-32 -25.6 9 48.2 44 111.2 195 383
               
-30 -22.0 10 50.0 45 113.0 200 392
-28 -18.4 11 51.8 46 114.8 205 401
-26 -14.8 12 53.6 47 116.6 210 410
-24 -11.2 13 55.4 48 118.4 215 419
-22 -7.6 14 57.2 49 120.2 220 428
               
-20 -4.0 15 59.0 50 122.0 225 437
-19 -2.2 16 60.8 55 131.0 230 446
-18 -0.4 17 62.6 60 140.0 235 455
-17 +1.4 18 64.4 65 149.0 240 464
-16 3.2 19 66.2 70 158.0 245 473
               
-15 5.0 20 68.0 75 167.0 250 482
-14 6.8 21 69.8 80 176.0 255 491
-13 8.6 22 71.6 85 185.0 260 500
-12 10.4 23 73.4 90 194.0 265 509
-11 12.2 24 75.2 95 203.0 270 518
               
-10 14.0 25 77.0 100 212.0 275 527
-9 15.8 26 78.8 105 221.0 280 536
-8 17.6 27 80.6 110 230.0 285 545
-7 19.4 28 82.4 115 239.0 290 554
-6 21.2 29 84.2 120 248.0 295 563
               
-5 23.0 30 86.0 125 257.0 300 572
-4 24.8 31 87.8 130 266.0 305 581
-3 26.6 32 89.6 135 275.0 310 590
-2 28.4 33 91.4 140 284.0 315 599
-1 30.2 34 93.2 145 293.0 320 608
               
0 32.0 35 95.0 150 302.0 325 617
+1 33.8 36 96.8 155 311.0 330 626
2 35.6 37 98.6 160 320.0 335 635
3 37.4 38 100.4 165 329.0 340 644
4 39.2 39 102.2 170 338.0 345 653
 
Conversion Factors
FLOW
Lbs. of Water/Hr. X .002 = Gal./Min.
Gal/Min. X 500 = Lbs. of Water/Hr.
(Lbs. Fluid/Hr+Specif. Grav.) X .002 = Gal./Min.
Liters/Min. X .264 = Gal./Min. (USA)
GPM X 3.785 = Liters/Min.
Cu. Meters/Hr. X 4.4 = Gal./Min. (USA)
Gal./Min. X .227 =Cu. Meters/Hr
Kg of Water/Min X .264 =Gal./Min. (USA)
Gal./Min. X 3.8 =Kg. of Water/Min.
PRESSURE
Ft. of Water X .433 = PSI
PSI X 2.31 = Ft. of Water
Inches Hg X .491 = PSI
Inches Hg X 1.133 = Ft. of Water
ATM X 14.7 = PSI
ATM X 33.9 = Ft. of Water
Kg/Sq. cm. X 14.22 = PSI
Meters of Water X 1.42 = PSI
ATM X 760 = mm Hg
mm Hg X .039 = Inches Hg
Bar X 14.5 = PSI
Newton Meter2 X 1 = Pascal
PSI X 6.9 = kPa ( Kilopascal)
kPa X .145 = PSI
VOLUME
Lbs. Water X .119 = Gal.
Gal. (British) X 1.2 = Gal. (USA)
Gal X 128 = Fluid Ounces
Cubic Ft. X 7.48 = Gal.
Cubic In. X .00433 = Gal.
Gal. X 3.785 = Liters
Liter X .264 = Gal.
Cubic Meters X 264.2 = Gal.
Cubic Meter X 1000 = Liter
Liters X 1000 = Cubic Centimeters
Cubic Centimeters X .0338 = Fluid Ounces
Fluid Ounces X 29.57 = Cubic Centimeters
LENGTH
Mils X .001 = Inches
Meters X 3.281 = Feet
Centimeters X .394 = Inches
Millimeters X .0394 = Inches
Microns X .0000394 = Inches

MASS
Gal. of Water X 8.336 = Lbs.
Cubic Ft. of Water X 62.4 = Lbs.
Ounces X .0625 = Lbs.
Kilograms X 2.2 = Lbs.
Lbs. X .454 = Kilograms
Metric Ton X 2205 = Lbs.