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203
Engineering Information
15.3
MULTIPLY
BY
TO OBTAIN
Atmosphere
0.001316
Torrs
Atmospheres
76
Cms. of mercury
"
29.92
Inches of mercury
"
33.9
Feet of water
"
14.7
Lbs./sq. inch
Barrels—Oil
42
Gallons
Barrels—Cement
376
Lbs.—cement
Bags or Sacks—Cement
94
Lbs—cement
Board—feet
144 sq. in. x 1 in
Cubic in.
British Thermal Units
777.5
Foot lbs.
" " "
0.0003927
Horsepower—hrs.
" " "
0.0002928
Kilowatt—hrs.
" " "
0.00001
Therms
B.T.U./min
12.96
Foot lbs./sec
0.02356
Horsepower
" "
0.01757
Kilowatts
" "
17.57
Watts
Centimeters
0.3937
Inches
Cubic centimeters
0.00003531
Cubic ft.
" "
0.06102
Cubic inches
" "
0.000001308
Cubic yards
" "
0.0002642
Gallons
" "
0.03381
Ounces (Fluid)
Cubic Cm./min
0.002118
Cu. ft./hr.
" " / "
0.0002641
Gal./min.
Cubic feet
1728
Cubic in.
" "
7.48052
Gallons
Cubic inches
0.0005787
Cubic feet
" "
0.00002143
Cubic yards
" "
0.004329
Gallons
Cubic meters
35.31
Cu. ft.
" "
61.023
Cu. In.
" "
1.308
Cu. yds.
" "
264.2
Gallons
Cubic yards
27
Cu. ft.
Degrees (angle)
60
Minutes
" "
0.01745
Radians
" "
3600
Seconds
Degrees/sec
0.01745
Radians/sec.
" "
0.1667
Revolutions/min.
" / "
0.002778
Revolutions/sec.
English Viscosity Units
14.88
Poises
Feet
30.48
Centimeters
"
12
Inches
"
0.3048
Meters
Feet of water
0.0295
Atmosphere
" " "
0.8826
In. of mercury
62.43
Lbs./sq. ft.
" " "
0.4335
Lbs./sq. in.
Feet/sec
0.6818
Miles/hr.
Foot lbs
0.001286
Br. Thermal Units
" "
0.000000505
Horsepower hrs.
" "
3.766E-07
Kilowatt hrs.
Foot Ibs./min
0.001286
B.T.U./min.
" " / "
0.01667
Ft. Ibs./sec.
" " / "
0.0000303
Horsepower
" " / "
0.0000266
Kilowatts
Foot lbs./sec
0.0717
B.T.U./min.
" " / "
0.001818
Horsepower
" " / "
0.001356
Kilowatts
Gallons
3785
Cubic centimeters
"
0.1337
Cubic feet
"
231
Cubic inches
Gallons (Imperial)
1.20095
U.S. gallons
" (U.S.)
0.83267
Imperial gallons
Gallons water
8.3453
Pounds of water
Gallons/min
0.002228
Cu. ft./sec.
" / "
8.0208
Cu. ft./hr.
Grams
0.03527
Ounces
"
0.002205
Pounds
Grams/cu. cm
62.43
Pounds/cu. ft.
" / " "
0.03613
Pounds/cu.in.
Horsepower
42.44
B.T.U./min.
"
33000
Ft. Ibs./min.
"
0.55
Ft. Ibs./sec.
0.7457
Kilowatts
Horsepower (boiler)
33,479 .
B.T.U./hr.
" "
9.803
Kilowatts
MULTIPLY
BY
TO OBTAIN
Horsepower hours
0.2547
British Thermal Units
" "
7457
Kilowatt hours
Inches
2.54
Centimeters
Inches of mercury
0.03342
Atmospheres
" " "
1.133
Ft. of water
" " "
70.73
Lbs./sq. ft.
" " "
0.4912
Lbs./sq. in.
Inches of water
0.002458
Atmospheres
" " "
0.07355
Inches of mercury
" " "
5.202
Lbs./sq. ft.
" " "
0.03613
Lbs./sq. in.
" " "
0.5781
Ounces/sq.in.
Kilograms
2.205
Lbs.
Kgs./meter
0.672
Lbs./ft.
Kgs./sq. meter
0.003281
Feet of water
" / " "
0.2048
Lbs./sq. ft.
" /" "
0.001422
Lbs./sq. in.
Kilometers
3281
Feet
"
0.6214
Miles
"
0.1094
Yards
Kilometers/hr
27.78
Centimeters/sec.
" /"
54.68
Feet/min.
" /"
0.9113
Feet/sec.
" /"
0.6214
Miles/hr.
Kilowatts
56.92
B.T.Units/min.
"
44250
Ft. Ibs./min.
"
737.6
Ft. Ibs./sec.
"
1.341
Horsepower
"
0.1
Watts
Kilowatt hrs
0.3415
B.T.U.
" "
0.000002655
Ft. lbs.
" "
1.341
Horsepower-hrs.
Liters
0.03531
Cu. ft.
"
61.02
Cu. in.
"
0.2642
Gallons
Meters
100
Centimeters
"
3.281
Feet
"
39.37
Inches
"
1.094
Yards
Meters/sec
196.8
Ft./min.
Millimeters
0.1
Centimeters
"
0.03937
Inches
Ounces .
437.5
Grains
"
28.349527
Grams
"
0.0625
Pounds
Pounds .
16
Ounces
"
7
Grains
"
453.5924
Grams
Pounds of water
0.01602
Cu. ft.
" " "
27.68
Cu. in.
" " "
0.1198
Gallons
Pounds/cu. ft
0.0005787
Lbs./cu. in.
Pounds/cu. in
1728
Lbs./cu. ft.
Radians
57.3
Degrees
"
0.3438
Minutes
"
0.637
Quadrants
Radians / sec
57.3
Degrees/sec.
" / "
0.1592
Revolutions/sec.
" / "
9.549
Revolutions/min.
Revolutions
360
Degrees
"
4
Quadrants
"
6.283
Radians
Revolutions/min
6
Degrees/sec
" / "
0.1047
Radians/sec.
/ "
0.01667
Revolutions/sec.
Temp. (°C) +273
1
Abs. temp. Co
" +17.78
1.8
Temp. (°F)
Temp. (°F) +460
1
Abs. temp. (°F)
" -32
39942
Temp. (°C)
Torr
760
Atmospheres
Torr
1
mm Hg
Watts
0.05692
B.T. Units/min.
"
44.26
Ft. Ibs./min.
"
0.001341
Horsepower
"
0.01
Kilowatts
Yards
91.44
Centimeters
"
3
Feet
"
36
Inches
"
0.9144
Meters