常见单位转换关系式
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常见单位转换关系式
发布
: 2008-12-14 10:51 |
作者
:
llljq
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管道与设备技术网
[url=]Acceleration[/url]foot/second2, meter/second2, gal, galileo, inch/second2
1 m/s2 =
ft/s2 = 100 cm/s2 =
inch per second squared (inch/s2)
1 ft/s2 =
m/s2 =
cm/s2
1 g =
m/s2 =
ft/s2
[url=]Area[/url]acre, are, barn, ., ., foot2, hectare, inch2, mile2, section, meter2, township, yard2,
hectares
1 m2 = 1550 in2 =
ft2 =
yd2 =
mile2
1 ft2 =
m2 = 144 in2 = 0,1111 yd2 =
mile2
1 in2 =
cm2 =
m2 =
ft2 =
yd2 =
mile2
1 yd2 =
m2 = 1,296 in2 = 9 ft2 =
mile2
1 mile2 =
m2 =
in2 =
ft2 =
yd2=640 Acres
1 acre = 1/640 mile2 =
ha (Hectares) = 4, m2 =43,560 . = 4840 .
1 km2 = 102 ha2 = 106 m2 = 1010 cm2 = 1012 mm2
1 ha (Hectare) = 104 m2 = 108 cm2 = 1010 mm2 =
Acres
1 cm2 = 10-4 m2 =
in2
1 mm2 =
1 township =
107 m2
1 section =
106 m2
[url=]Density[/url]kg/cubic meter, gram/centimeter3, lmb/cubic inch, lbm/cubic foot, slug/cubic
foot, kilogram/cubic meter, lbm/gallon (US liq)
Density Water
1,000 kg/m3 =
Lbs./ =
Lbs./Gal. =
./Gal.
1 lb/ft3 =
kg/m3 =
g/cm3 =
oz/in3 =
oz/gal (Imperial) =
oz/gal (U.S.) =
lb/in3
= 27 lb/yd3 =
lb/gal (Imperial) =
lb/gal
=
ton/yd3
1 slug/ft3 =
kg/m3
1 kg/l =
lb/ft3
1 kg/m3 =
g/cm3 =
oz/in3 =
oz/gal (Imperial) =
oz/gal (U.S.) =
lb/ft3 =
lb/in3
=
lb/yd3 =
lb/gal (Imperial) =
lb/gal
=
ton/yd3
[url=]Energy[/url]British Thermal Unit (Btu), calorie, joule, kilojoule, electron volt, erg, foot lbf,
foot poundal, kilocalorie, kilowatt hour, watt hour,
1 J (Joule) = 0,1020 kpm =
kWh =
kcal =
ft lbf = 1 (kg m2)/s2 = 1 watt second = 1
Nm = 1 ft lb =
Btu
1 kpm =
J =
kWh =
kcal =
ft lbf =
Btu
1 kWh =
J =
kpm =
kcal =
ft lbf =
Btu
1 kJ = 1 kNm = 1kWs = 103 J =
Btu =
ft lbf =
kcal
1 Btu (British thermal unit) = 1, J =
kpm =
kWh =
kcal =
ft lbf =
ergs = 252 cal =
watt hour
1 cal =
J
1 kcal = 4186,8 J = 426,9 kp m =
kWh =
ft lbf =
Btu = 1,000 cal
1 ft lbf (foot pound force) =
J =
kp m =
kWh =
kcal =
Btu
1 hp h (horse power hour) =
J =
kWh
1 erg = 1 (g cm2)/s2 = 10-7 J
1 eV =
J
1 Q = 1018 Btu =
J
1 Quad = 1015 Btu
1 kg m =
ft lb =
Btu =
Joule
[url=]Energy per unit mass[/url]
1 kJ/kg = 1 J/g =
Btu/ lbm =
kcal/kg
[url=]Flow[/url] - see
Volume flow
[url=]Force[/url]dyne, kilogram force (kgf), kilopound force, kip,
lbf (pound force), ounce force (avoirdupois), poundal, newton
1 N (Newton) =
kp =
pdl =
lbf =
lbf = 1 (kg m)/s2 = 105 dyn = 1/ kgf
1 lbf (Pound force) =
N =
kp =
pdl =
dyn
1 dyn = 1 (g cm)/s2
1 kg has a weight of 1 kp
1 kp (Kilopond) =
N =
lbf =
pdl
1 pdl (Poundal) =
N =
kp =
lbf
[url=]Heat flow rate[/url]
1 Btu/sec = 1, W
1 kW (kJ/s) =
kpm/s =
kcal/h = 3,413 Btu/h =
hk =
hp = 738 ft lb/s = 1,000 J/s =
J/h
1 kpm/s =
kW =
kcal/h =
Btu/h =
hk =
hp =
ft lb/s
1 kcal/h =
kW =
kpm/s =
Btu/h =
hk =
hp =
ft lb/s
1 Btu/h =
kW =
kpm/s =
kcal/h =
hk =
hp =
ft lb/s
1 kcal/h =
kW
1 hk (metric horse power) =
kW =
kpm/s =
kcal/h = 2,510 Btu/h =
1 hp =
kW =
kpm/s =
kcal/h = 2,545 Btu/h =
hk =
ft lb/s
1 ft lb/s =
kW =
kpm/s =
kcal/h =
Btu/h =
hk =
hp
[url=]Heat flux[/url]
1 Btu/ft2 =
kcal/m2 =
J/m2K
1 Btu/ ft2 h =
W/m2
1 Btu/ft2 oF =
kcal/m2K =
J/m2K
1 kcal/m2 =
Btu/ft2
1 kcal/m2K =
Btu/ft2oF
[url=]Heat generation per unit volume[/url]
1 Btu/ft3 =
kcal/m3 =
J/m3
1 Btu/ft3 h =
W/m3
1 kcal/m3 =
Btu/ft3
[url=]Heat generation per unit mass[/url]
1 Btu/lb =
kcal/kg = 2,326 J/kg
1 kcal/kg =
Btu/lb
hp =
ft lb/s
[url=]Heat transfer coefficient[/url]
1 Btu/ft2 h oF =
W/m2 K =
kcal/h m2 oC
1 W/m2K =
kcal/h m2 oC =
Btu/ ft2 h oF
1 kcal/h m2 oC =
W/m2K =
Btu/ ft2 h oF
[url=]Hydraulic Gradients[/url]
1 ftH2O/100 ft =
psi/100 ft =
kPa/100 m = 1000 mmH2O/100 m
1 psi/100 ft =
ftH2O/100 ft = 2288 mmH2O/100 ft =
kPa/100 m
[url=]Length[/url]feet, meters, centimeters, kilometers, miles, furlongs, yards, micrometers,
inches,angstrom, cubit, fathom, foot, hand, league, light year, micron, mil, nautical mile, rod,
1 m (meter) =
ft =
in =
yd =
mile
1 km =
mile = 3281 ft = 1094 yds
1 in (inch) =
mm =
cm =
m =
ft =
yd =
mile
1 ft (foot) =
m = 12 in =
yd =
mile =
cm =
mm
1 mm = 10-3 m
1 cm = 10-2 m =
in =
ft
1 mm =
in
1 … (…ngstrm) = 10
-10 m
1 mile =
km = 1, m = 63,346 in = 5,280 ft = 1,760 yd
1 mil (Norway and Sweden) = 10 kilometres
1 nm (nautical mile) = 1,852 metres =
mile =
feet
1 yd (yard) =
m = 36 in = 3 ft =
mile
1 Furlong = 660 feet = 40 rods = 1/8 mile
1 rod =
yards
1 land league = 3 miles
1 Fathom = 6 feet =
meters
[url=]Mass[/url], weightpounds, kilograms, grams, ounces, grains, tons (long), tons (short), tons
(metric), carat, grain, ounce mass, pound mass (lbm), slug, tonne
1 kg = 1,000 g =
lb =
slug
1 lb = 16 oz =
kg =
g = 7000 grains =
slug
1 slug =
kg =
lbm
1 grain =
lb =
g
1 g =
grains =
oz =
lb
1 tonne = 103 kg = 106 g = 109 mg =
tons
1 qt =
liters
1 Ton = 2000 Lbs. = 907 kg
1 long ton = 2240 pounds
1 oz (ounce) =
g =
grains
1 troy pound = 12 troy ounces
1 scruple = 20 grains
1 dram = 3 scruples
1 apothecary ounce = 8 drams
1 apothecary pound = 12 apothecary ounces
1 pennyweight = 24 grains
1 Gal. H2O =
Lbs. H2O
Density, Specific Weight and Specific Gravity
- An introduction and definition of density,
specific weight and specific gravity. Formulas with examples.
[url=]Mass flow rate[/url]
1 lb/h =
kg/s
1 lb/s =
kg/s
1 lb/min =
kg/s =
kg/s
1 kg/s = 3,600 kg/h =
lb/min
1 kg/h =
kg/s =
lb/min
Moment of Inertia
1 kg m2 = 10000 kg cm2 = 54675 ounce in2 =
lb in2 =
lb ft2
[url=]Power[/url]horsepower, kilowatt, watt,btu/second, calorie/second, foot lbf/second,
kilocalorie/second