Einheiten-Umrechnungstabelle

Physikalische Größe Symbol Umrechnungsfaktor
Beschleunigung a oder g foot/second2, Meter/Sekunde2, gal, galileo, inch/second2 - Merke: inch = Zoll = "in"
    1 m/s2 = 3,281 ft/s2
    1 ft/s2 = 0,3048 m/s2
    1 g = 9,80665 m/s2 = 32,17405 ft/s2
     
Fläche A acre, Ar, barn, foot2, Fuß2, Hektar, inch2, Zoll2, Meile2, section, Meter2, township, yard2
    1 m2 = 1550 inch2 = 10,764 ft2 = 1,196 yd2 = 3,861×10-7 mile2
    1 ft2 = 0,0929 m2 = 144 in2 = 0,1111 yd2 = 3,587×10-8 mile2  
    1 inch2 = 6,452 cm2 = 6,452×10-4 m2 = 6,944×10-3 ft2 = 7,716×10-4 yd2 = 2,491×10-10 mile2 - Merke: inch = Zoll
    1 yd2 = 0,8361 m2 = 1296 in2 = 9 ft2 = 0,3228×10-6 mile2 
    1 mile2 = 2,590×106 m2 = 0,4015×1010 in2 = 2,788×107 ft2 = 3,098×106 yd2 
    1 acre = 1/640 mile2 = 0,404686 ha = 4046,86 m2
    1 km2 = 102 ha2 = 106 m2 = 1010 cm2 = 1012 mm2
    1 ha2 = 104 m2 = 108 cm2 = 1010 mm2
    1 cm2 = 10-4 m2 = 0,155 inch2
    1 mm2 = 1,55×10-3 inch2
    1 township = 9,323957×107 m2
    1 section = 2,589 ×106 m2
     
Dichte ρ Gramm/Zentimeter3, lmb/inch3, lbm/foot3, slug/foot3, Kilogramm/Meter3
    1 lb/ft3 = 16,018 kg/m3
    1 slug/ft3 = 515,379 kg/m3
    1 kg/l = 62,43 lb/ft3
    1 kg/m3 = 0,0624 lb/ft3
     
Energie Q oder W British Thermal Unit (Btu), Kalorie, Joule, Kilojoule, Elektronenvolt, Erg, foot lbf, foot poundal, Kilokalorie, Kilowattstunde, Wattstunde   
    1 J (Joule) = 0,1020 kpm = 2,778×10-7 kWh = 2,389×10-4 kcal = 0,7376 ft lbf = 1 (kg m2)/s2 = 1 watt second = 1 Nm = 1 ft lb = 9,478×10-4 Btu
    1 kpm = 9,80665 J =  2,724×10-6 kWh = 2,342×10-3 kcal = 7,233 ft lbf =  9,295×10-3 Btu
    1 kWh = 3,6×106 J = 3,671×105 kpm = 859,9 kcal = 2,656×106 ft lbf =  3412×10-3 Btu
    1 kJ = 1 kNm = 1kWs = 103 J = 0,947813 Btu = 0,23884 kcal
    1 Btu (British thermal unit) = 1055,06 J = 107,6 kpm = 2,931×10-4 kWh = 0,252 kcal = 778,16 ft lbf = 1,055×1010 ergs = 252 cal = 0,293 watt hour
    1 cal = 4,186 J
    1 kcal  = 4186,8 J = 426,9 kp m = 1,163×10-3 kWh = 3,088 ft lbf  = 3,9683 Btu  = 1000 cal
    1 ft lbf (foot pound force) = 1,3558 J = 0,1383 kp m = 3,766×10-7 kWh = 3,238×10-4 kcal = 1,285×10-3 Btu
    1 hp h (horse power hour) = 2,6846×106 J = 0,7457 kWh
    1 erg = 1 (g cm2)/s2 = 10-7 J
    1 eV = 1,602×10-19 J
    1 Q = 1018 Btu = 1,055×1021 J
    1 Quad = 1015 Btu
    1 kg m = 7,233 ft lb = 0,00929 Btu = 9,806 Joule
     
Energie pro Masseneinheit   1 kJ/kg = 0,4299 Btu/ lbm = 0,23884 kcal/kg
     
Kraft F dyn, Kilogramm force (kgf), kilopound force, kip, lbf (pound force), ounce force (avoirdupois), poundal, Newton
    1 N (Newton) = 0,1020 kp = 0,2248 lbf = 7,232 pdl = 1 (kg m)/s2
    1 lbf (Pound force) = 4,44822 N = 0,4536 kp = 32,17 pdl = 4,448×105 dyn
    1 dyn = 1 (g cm)/s2
    1 kp (Kilopond) wiegt 1 kg
    1 kp (Kilopond)  = 9,80665 N = 2,205 lbf = 70,93 pdl
    1 pdl (Poundal) = 0,13826 N = 0,01409 kp = 0,03108 lbf
     
Wärme-Flussrate q  
    1 Btu/sec = 1055,1 W
    1 kW (kJ/s) = 102,0 kpm/s = 859,9 kcal/h = 3413 Btu/h = 1,360 hk = 1,341 hp = 738 ft lb/s = 1000 J/s = 3,6×106 J/h 
    1 kpm/s = 9,8067×10-3 kW =  8,432 kcal/h = 32,47 Btu/h = 0,01333 hk = 0,01316 hp = 7,237 ft lb/s
    1 kcal/h = 1,163×10-3 kW = 0,1186 kpm/s =   3,969 Btu/h = 1,582×10-3 hk = 1,560×10-3 hp = 0,8583 ft lb/s
    1 Btu/h = 2,931×10-4 kW = 0,0299 kpm/s = 0,252 kcal/h = 3,986×10-4 hk = 3,939×10-4 hp = 0,2163 ft lb/s
    1 kcal/h = 1,16×10-3 kW
    1 hk (metrisch horse power)  = 0,735499 kW = 75,00 kpm/s = 632,5 kcal/h =  2510 Btu/h = 0,9863 hp = 542,8 ft lb/s
    1 hp  = 0,74570 kW = 76,04 kpm/s = 641,2 kcal/h =   2545 Btu/h = 1,014 hk = 550,3 ft lb/s
    1 ft lb/s = 1,35501 kW = 0,1382 kpm/s = 1,165 kcal/h = 4,625 Btu/h = 1,843×10-3 hk = 1,817×10-3 hp
     
Wärmefluss q'' 1 Btu/ft2 = 2,713 kcal/m2 = 2,043×104 J/m2K
    1 Btu/ ft2 h = 3,1525 W/m2
    1 Btu/ft2 °F = 4,k88 kcal/m2K = 2.043×104 J/m2K
    1 kcal/m2 = 0,369 Btu/ft2
    1 kcal/m2K = 0,205 Btu/ft2°F
     
Wärmeerzeugung pro Volumeneinheit q'''G 1 Btu/ft3 = 8,9 kcal/m3 = 3,73×104 J/m3
    1 Btu/ft3 h = 10,343 W/m3
    1 kcal/m3 = 0,112 Btu/ft3
     
Wärmeerzeugung pro Masseeinheit   1 Btu/lb = 0,556 kcal/kg = 2326 J/kg
    1 kcal/kg = 1,800 Btu/lb
     
Wärmeübertragungskoeffizient hc 1 Btu/ft2 h oF  = 5,678 W/m2 K = 4,882 kcal/h m2 oC
    1 W/m2K = 0,85984 kcal/h m2 oC = 0,1761 Btu/ ft2 h oF
    1 kcal/h m2 oC = 1,163  W/m2K =  0,205 Btu/ ft2 h oF
     
Länge L oder d feet, Meters, Zentimeter, Kilometer, Meilen, furlongs, yards, Mikrometer, inches, Angström, cubit, fathom, foot, hand, league, Lichtjahr, micron, mil, nautische Meile, rod   
    1 m (meter) = 3,2808 ft = 39,37 in = 1,0936 yd = 6,214×10-4 mile
    1 km = 0,621 mile
    1 in (inch) = 25,4 mm = 2.54 cm = 0,0254 m = 0,08333 ft = 0,02778 yd = 1,578×10-5 mile
    1 ft (foot) = 0,3048 m = 12 in = 0,3333 yd = 1,894×10-4 mile
    1 mil = 0.001 inch = 2.54×10-5 m = 2.54×10-2 mm
    1 mm = 10-3 m
    1 cm = 10-2 m = 0,394 in = 0,0328 ft
    1 mm = 0,03937 in
    1 Å (Ångstrøm) = 10-10 m
    1 mile = 1,6093 km = 1609,3 m = 63346 in = 5280 ft = 1760 yd
    1 yd (yard) = 0,9144 m = 36 in = 3 ft = 5,682×10-4 mile
     
Masse, Gewicht m pounds, Kilogramm, Gramm, ounces, grains, tons (long), tons (short), Tonne (metrisch), Karat, grain, ounce mass, pound mass (lbm), slug, tonne
    1 kg = 1000 g = 2,2046 lb = 6,8521×10-2 slug
    1 lb = 0,4536 kg = 453,6 g = 7000 grains = 0,03108 slug
    1 slug = 14,594 kg  = 32,174 lbm
    1 grain = 0,000143 lb = 0,0648 g
    1 g = 15,43 grains = 0,0353 oz = 0,002205 lb
    1 tonne = 103 kg = 106 g = 109 mg = 0,984 tons
    1 oz = 28,35 g
     
Massen-Flussrate m' 1 lb/h = 1,26×10-4 kg/s
    1 lb/s = 0,4536 kg/s
    1 lb/min = 7,56×10-3 kg/s = 27,216 kg/s
    1 kg/s = 3600 kg/h = 132,28 lb/min
    1 kg/h = 2,778×10-4 kg/s = 3,67×10-2 lb/min
     
Leistung P Pferdestärke, Kilowatt, Watt, btu/second, calorie/second, foot lbf/second, Kilokalorie/Sekunde 
    1 W = 1 kg m2/s3 = 1 Nm/s = 1 J/s
    1 kW = 1000 W = 3412 Btu/h
    1 hp (English horse power) = 745,7 W = 550 ft lb/s = 2545 Btu/h = 33,000 ft lb/m = 1,0139 metriche horse power
    1 metric horse power = 736 W = 75 kg m/s = 0,986 English horse power
    1 ft lb/s = 1,3558 W
    1 Btu/s = 1055,1 W
    1 Btu/h = 0,293 W
     
Leistung pro Fläche   1 W/m2 = 0,3170 Btu/(h ft2) = 0,85984 kcal/(h m2)
     
Druck p Atmosphäre, Zentimeter Quecksilbersäule, foot of water, bar, barye, Zentimeter Wassersäule, dyn/Zentimeter2, inch of Hg, inch of H2O, kgf/Zentimeter2, kgf/Meter2, lbf/foot2, lbf/inch2 (psi), Millibar, Millimeter Quecksilbersäule, pascal, torr, Newton/Meter2    
    1 N/m2 = 1 Pa  = 1,4504×10-4 lb/in2 = 1×10-5 bar = 4,03×10-3 in H2O = 0,336×10-3 ft H2O = 0,1024 mm H2O = 0,295×10-3 in Hg = 7,55×10-3 mm Hg = 0,1024 kg/m2 = 0,993×10-5 atm
    1 Pa = 10-6 N/mm2 = 10-5 bar = 0,1020 kp/m2 = 1,02×10-4 m H2O = 9,869×10-6 atm = 1,45×10-4 psi (lbf/in2)
    1 N/mm2 = 106 Pa = 10 bar = 1,020×105 kp/m2 = 102,0 m H2O = 9,869 atm = 145,0 psi (lbf/in2)
    1 mmHg = 1 torr = 0,01934 lb/in2
    1 atm = 101325 Pa (N/m2) = 1,013×102 kN/m2 =  1,033×104 kp/m2 = 1,033 kp/cm2 = 1,013 bar = 14,696 psi (lb/in2) = 407,1 in H2O at 62°F (16,7°C) = 10,33 m H2O at 62°F (16,7°C) = 30 in Hg at 62°F (16,7°C) = 760 mm Hg at 62°F (16,7°C) = 760 torr
    1 bar =  105 Pa (N/m2) = 0,1 N/mm2 = 10197 kp/m2 = 10,20 m H2O = 0,9869 atm = 14,50 psi (lbf/in2) = 106 dyn/cm2
    1 kp/m2 = 9,81 Pa (N/m2) = 9,807×10-6 N/mm2 = 10-3 m H2O = 1 mm H2O = 0,9681×10-4 atm = 1,422×10-3 psi (lb/in2)  = 0,0394 in H2O = 0,0736 mm Hg
    1 psi (lb/in2) =  6894,8 Pa (N/m2) = 6,895×10-3 N/mm2 = 6,895×10-2 bar = 27,71 in H2O at 62 0F (16,7°C) = 703,1 mm H2O at 62 0F (16,7 0C) = 2,0416 in Hg at 62 0F (16,7°C) = 51,8 mm Hg at 62°F (16,7°C) = 703,6 kg/m2 = 0,06895 atm
    1 lb/ft2 = 47,88 N/m2
    1 dyn/cm2 = 145,04×10-7 lbf/in2
    1 in Hg = 3376,8 N/m2= 0,49 lb/in2 = 12.8 in H2O - Merke in = inch = Zoll
    1 in H2O  = 248,8 N/m2= 0,0361 lb/in2 = 25,4 kg/m2 = 0,0739 in Hg
    1 m H2O = 9806,7 Pa = 9,807×10-3 N/mm2  = 0,0987 bar = 1000 kp/m2 =  0,09678 atm = 1,422 psi (lbf/in2)
    1 mm H2O = 9,81 Pa (N/m2) = 1 kg/m2 = 0,0736 mm Hg = 0,9677×10-4 atm
    1 mm mercury = 0,0193 lb/in2 = 133 N/m2 = 12.8 mm H2O
     
Rotation   Umdrehungen
    1 r/min = 0,01667 r/s = 0,105 rad/s
    1 r/s = 60 r/min = 6,28 rad/s
    1 rad/s = 9,55 r/min = 0,159 r/s
     
Spezifische Energie Q/m  
    1 Btu/lbm = 2326,1 J/kg = 0,55556 kcal/kg
    1 J/kg = 0,43 Btu/lbm =  2,39×10-4 kcal/kg
    1 kcal/kg = 1,80 Btu/lbm = 4187 J/kg
     
Spezifische Wärmeleistung c 1 J/(kg K) = 2,389×10-4 kcal/(kg oC) = 2,389×10-4 Btu/(lbm °F)
    1 Btu/(lbm °F) = 4186,8 J/ (kg K) = 1 kcal/(kg °C)
    1 kcal/(kg °C) = 4186,8 J/ (kg K)  = 1 Btu/(lbm °F)
     
Temperatur T °Celsius, °Rankine, Kelvin, °Centigrade, °Fahrenheit, 
    1°C = 1,8°F

 

   1°F = 0,555°C
    0° Celsius gehört zu 32° Fahrenheit, 273,15 Kelvin and 491,69° Rankine
    °R = (9/5) · K
    °F = °C· (9/5) + 32
    °F = [K - 273,15] · (9/5) + 32
    °C = 5/9 · [°F - 32]
     
Wärmeleitfähigkeit k 1 W/(m K) = 0,85984 kcal/(h m °C) = 0,5779 Btu/(ft h °F)
    1 Btu/(ft h °F) = 1,731 W/(m K) = 1,488 kcal/(h m °C)
    1 kcal/(h m °C) = 1,163 W/(m K) =  0,6720 Btu/(ft h °F)
     
Thermisches Diffusionsvermögen a  1 ft2/s = 0,0929 m2/s
    1 ft2/h = 2.581×10-5 m2/s
     
Thermischer Widerstand Rt  1 (h °F)/Btu = 1,8958 K/W
     
Zeit t Jahr, Monat, Tag, Stunde, Minute, Sekunde, Millisekunde
    1 h = 3600 s = 60 min
    1 ms = 10-3 s
    1 ms = 10-6 s
    1 ns = 10-9 s
     
Geschwindigkeit v foot/second, inch/second, Meter/Secunde, Kilometer/Stunde, knot, Meilen/Stunde 
    1 ft/s = 0,3048 m/s
    1 ft/min = 5,08×10-3 m/s = 0,0183 km/h = 0,0114 mph - Merke: mph = Miles pro Stunde
    1 mph = 0,44703 m/s = 1,609 km/h = 88 ft/min
    1 m/s = 3,6 km/h = 196,85 ft/min = 2,237 mph
    1 km/h = 0,2778 m/s = 54,68 ft/min = 0,6214 mph
     
Dynamische Viskosität μ  
    1 lb/(ft s) = 1,4879 Pa s = 14,88 P = 1488 cP = 0,1517 kp s/m2
    1 cP (Centipoise) = 10-3 Pa s = 0,01 P = 1,020×10-4 kp s/m2 = 6,721×10-4 lb/(ft s) = 0,00100 (N s)/m2
    1 kg/(m s ) = 1 (N s)/m2 = 0,6720 lbm/(ft s) = 10 Poise
    1 P (Poise) = 0,1 Pa s = 100 cP = 1,020×10-2 kp s/m2 = 6,721×10-2 lb/(ft s) = 0,1 kg/ms
    1 Pa s (N s/m2) = 10 P (Poise) = 103 cP  = 0,1020 kp s/m2 = 0,6721 lb/(ft s)
    1 kp s/m2 = 9,80665 Pa s = 98,07 P = 9807 cP = 6,591 lb/(ft s)
     
Kinematische Viskosität    
    1 ft2/s = 0,0929 m2/s
    1 ft2/ h = 2.581×10-5m2/s
    1 St (Stokes) = 1×10-4 m2/s = 100 cSt = 1,076×10-3 ft2/s
    1 m2/s = 104 St = 106 cSt = 10,764 ft2/s  
    1 cSt (Centistokes) = 10-6 m2/s = 0,01 St = 1,076×10-5 ft2/s 
     
Volumen, Rauminhalt V barrel, gallon, Kubikzentimeter (cm3), cubic feet (foot3), cubic inch (inch3), Kubikmeter (meter3), cubic yard (yard3), quarts, liters, acre foot, board foot, bushel, cord, cup, dram, fluid ounce, peck, pint, quart.
 1 tablespoon = 3 teaspoons = 1/2 fluid ounce = 15 mL und 1 teaspoon = 1/3 tablespoon = 5 mL und 1 teaspoon = 1/3 tablespoon = 5 mL.
    1 ft3 = 0,02832 m3= 28,32 dm3 = 0,03704 yd3 = 6,229 Imp. gal (UK) = 7,481 gal (US)
    1 in3 = 1,6387×10-5 m3 = 1,639×10-2 dm3 (Liter) = 16,39 cm3 = 16390 mm3   
    1 gal (U.S.) = 3,785×10-3 m3 = 3,785 dm3 (Liter) = 0,13368 ft3 = 4,951×10-3 yd3 = 0,8327 Imp. gal (UK)
    1 Imp. gal (UK) = 4,546×10-3 m3 = 4,546 dm3 = 0,1605 ft3 = 5,946×10-3 yd3 = 1,201 gal (US)
    1 dm3(Liter) = 10-3 m3 = 0,03532 ft3 = 1,308×10-3 yd3 = 0,220 Imp gal (UK) = 0,2642 gal (US)
    1 yd3 = 0,7646 m3 = 764,6 dm3 = 27 ft3 = 168,2 Imp. gal (UK) = 202,0 gal (US)
    1 pint = 0,568 dm3(Liter)
    1 km3 = 109 m3 = 1012 dm3(Liter) = 1015 cm3 = 1018 mm3
    1 cm3 = 0,061 in3
    1 m3 = 103 dm3(Liter) = 35,31 ft3 = 1,308 yd3 = 220,0 Imp. gal (UK) = 264,2 gal (US)
     
Volumenfluss    
    1 kg/s (water) = 13,20 Imp. gal (UK)/min
    1 m3/s = 3600 m3/h = 1000 dm3(litre)/s = 35,32 ft3/s = 2118,9 ft3/min = 13200 Imp.gal (UK)/min = 15852 gal (US)/min
    1 m3/h = 2,7778×10-4 m3/s = 0,2778 dm3(Liter)/s = 9,810×10-3 ft3/s = 0,5886 ft3/min = 3,667 Imp.gal (UK)/min = 4,403 gal (US)/min
    1 m3/h = 103 dm3(Liter)/h = 16,67 dm3(Liter)/min = 0,27878 dm3(Liter)/s
    1 ft3/min = 1,7 m3/h = 0,47 l/s
    1 dm3(Liter)/s = 10-3 m3/s = 3,6 m3/h = 0,03532 ft3/s = 2,1189 ft3/min = 13,200 Imp.gal (UK)/min = 15,852 gal (US)/min = 792 Imp. gal (UK)/h
    1 dm3(Liter)/s = 60 Liter/min = 3600 Liter/h
    1 ft3/s = 0,0283168 m3/s = 101,9 m3/h  = 28,32 dm3(Liter)/s =  60 ft3/min = 373,7 Imp.gal (UK)/min = 448,9 gal (US)/min
    1 Imp.gal (UK)/min = 7,57682×10-5 m3/s = 0,0273 m3/h = 0,0758 dm3(Liter)/s = 2,675×10-3 ft3/s = 0,1605 ft3/min = 1,201 gal (US)/min
    1 gal (US)/min =6,30888×10-5 m3/s = 0,0227 m3/h = 0,0631 dm3(Liter)/s = 2,228×10-3 ft3/s = 0,1337 ft3/min = 0,8327 Imp.gal (UK)/min