CONVERSIÓN DE UNIDADES
Multiply —> to get to get <— Divide inch 2.54 cm ft 12 inch ft 0.305 meter yard 1.094 meter Angstrom 1010 meter
Flowrate
Multiply —> to get to get <— Divide cc/min 1 mL/min cfm (ft3/min) 28.31 L/min cfm (ft3/min) 1.699 m3/hr cfh (ft3/hr) 472 mL/min cfh (ft3/hr) 0.125 GPM GPH 63.1 mL/min GPH 0.134 cfh GPM 0.227 m3/hr GPM 3.785 L/min oz/min 29.57 mL/min
Pressure (in psi) to Feet of Water
psi ft of
waterpsi ft of
waterpsi ft of
water1 2.31 13 30.0 45 103.9 2 4.62 14 32.3 50 115.5 3 6.93 15 34.7 55 127.1 4 9.24 16 37.0 60 138.6 5 11.6 17 39.3 65 150.1 6 13.7 18 41.6 70 161.7 7 16.2 19 43.9 75 173.3 8 18.5 20 46.2 80 184.8 9 20.8 25 57.7 85 196.3 10 23.1 30 69.3 90 207.9 11 25.4 35 80.9 95 219.5 12 27.7 40 92.4 100 231.0
Pressure (Liquid Pumps)
Multiply —> to get to get <— Divide psig 2.31 feet of water psia 6.9 kilopascals psig 2.03 inches of Hg psia 0.068 atm psia 0.068 bar atm 33.9 feet of water atm 760 mm Hg inches Hg 1.133 feet of water mm Hg 0.039 inches Hg newtons/m2 1 pascals
Pressure/Vacuum
Multiply —> to get to get <— Divide atm 33.9 ft H2O atm 760 mm Hg atm 1033.2 g/cm2 atm 14.70 psi atm 1.013 bar atm 101.3 kPa bar 14.5 psi bar 0.9869 atm bar 100 kPa ft H2O 0.4335 psi kPa 0.01 dyne/cm2 kPa 0.1450 psi kPa 7.5 mm Hg psi 0.0703 kg/cm2 Volume (Liquid Pumps)
Multiply —> to get to get <— Divide gallons 128 fluid ounces gallons 3.785 liters liters 1000 cubic centimeters lb water 0.119 gallons gallons (Imp) 1.2 gallons (U.S.) cubic ft 7.48 gallons cubic in. 0.00433 gallons cubic cm 0.0338 fluid ounces cubic meters 264.2 gallons cubic meters 1000 liters
Miscellaneous
Multiply —> to get to get <— Divide hp 0.746 kW hp 42.44 Btu/min hp 396,000 lb in/min hp 1.014 metric hp watts 0.7376 lb ft/sec watts 44.25 lb ft/min lb-ft 0.1368 kg-m oz-in 0.072 kg-cm oz-in 70,600 dyne-cm oz-in 0.00706 Nm gauss 0.0001 tesla
Volume
Multiply —> to get to get <— Divide cubic cm (cc) 1 mL oz (fluid) 29.57 mL cubic ft (ft3) 7.48 gal cubic ft (ft3) 0.0283 m3 gal 128 oz (fluid) gal 3.785 liters gal 0.8333 imp gal cubic meters 1000 liters Mass
Multiply —> to get to get <— Divide Apoth dram 60 grains Apoth dram 0.1371 Avdp oz Apoth dram 0.008571 Avdp lb Apoth dram 3.88794 grams Apoth lb 5760 grains Apoth lb 13.1657 Avdp oz Apoth lb 0.822857 Avdp lb Apoth lb 373.242 grams Apoth oz 480 grains Apoth oz 1.09714 Avdp oz Apoth oz 0.068571 Avdp lb Apoth oz 31.1035 grams Avdp drams 27.344 grains Avdp drams 0.0625 Avdp oz Avdp drams 0.003906 Avdp lb Avdp drams 1.77185 grams Avdp lb 7000 grains Avdp lb 16 Avdp oz Avdp lb 453.592 grams Avdp oz 437.5 grains Avdp oz 0.0625 Avdp lb Avdp oz 28.3495 grams carats 3.0865 grains carats 0.2 grams grams 15.432 grains grams 0.0353 oz lb 0.4536 kg oz 28.35 grams Comparative Particle Size
U. S. mesh Inches Microns U. S. mesh Inches Microns 3 0.265 6730 40 0.0165 420 3-1/2 0.223 5660 45 0.0138 354 4 0.187 4760 50 0.0117 297 5 0.157 4000 60 0.0098 250 6 0.132 3360 70 0.0083 210 7 0.111 2830 80 0.0070 177 8 0.937 2380 100 0.0059 149 10 0.787 2000 120 0.0049 125 12 0.0661 1680 140 0.0041 105 14 0.0555 1410 170 0.0035 88 16 0.0469 1190 200 0.0029 74 18 0.0394 1000 230 0.0024 63 20 0.0331 841 270 0.0021 53 25 0.0280 707 325 0.0017 44 30 0.0232 595 400 0.0015 37 35 0.0197 500 — — —
Density Conversions
Specific Gravity x 1 = g/L
g/L x 8.345404 = lb/gallb/gal x 0.119826 = g/mL
Temperature°F = (1.8 x °C) + 32
°C = (°F - 32) x 0.555
°Kelvin = °C + 273.2
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