10.8 Unit Conversion
Unit |
Conversion Factor |
Length |
1m |
= 100 cm
= 1010 Å = 39,75 inch
= 3,281 feet = 1,0936 yards
= 0,6214*10-3 miles |
Area |
1m² |
= 1.550
sq inch = 10,764 sq feet
= 1.196 sq yards |
Volume |
1m³ |
= 1.000
l = 61.023 cu inch = 35,314 cu feet
= 2.114 US pints = 1.760 UK pints
= 264,2 US gallons = 8,386 US barrels
= 6,11 UK barrels = 28,37 US bushels
= 27,51 UK bushels = 4,13 US quarters
= 3,44 UK quarters = 0,3532 reg tons |
Mass |
1 kg |
= 1.000
g = 15.432 grains (gr)
= 35,273 ounces = 2,2046 pounds (lbs)
= 1,102*10-3 US short tons
= 0,9842*10-3 UK tons (US long tons)
= 0,0220 US cwt = 0,197 UK cwt |
Density |
1 kg/m³ |
= 0,001
g/cm³ = 0,10197 kp s²/m4
= 0,6242 lbs/cu ft. = 0,01002 lbs/UK gallon
= 0,08344 lbs/US gallon = 436,994 gr/cu ft |
Force |
1N |
= 1 kg m/s²
= 105 g cm/s² (dyn)
= 0,10197 kp = 7,233 poundal (pdl)
= 0,2248 poundweight (lb wt, lbf) |
Pressure
|
1 Pa (N/m²) |
= 1 kg/m
s² = 10-5 bar
= 0,10197 kp/m² (mm WS)
= 10 g/cm s² (dyn/cm²)
= 0,10197*10-4 at (techn.)
= 0,09694*10-4 atm (phys.)
= 750,1*10-5 Torr (mm QS)
= 1,4504*10-4 lbf/sq inch
(psi) |
|
1 at |
= 10.000
kp/m² (mm WS) = 735,6 Torr
= 14,22 lbf/sq inch = 28,96 inch Hg |
Unit |
Conversion Factor |
Work, energy |
1 J |
= 1 Nm =
1 Ws = 1 kg m²/s²
= 107 g cm²/s² (erg) = 0,10197 kp m
= 2,3844 10-4 kcal = 0,27778*10-6
kWh
= 9,4782*10-4 BTU = 0,37767*10-6
PSh
= 34,12*10-12 t SKE (Steinkohleneinheiten) |
|
1 kcal |
= 4.186,8
J = 426,94 kpm = 3,968 BTU |
|
1 kWh |
= 859,85
kcal = 1,3596 PSh = 3.411 BTU |
|
1 SKE |
= 29,3 MJ
= 7.000 kcal |
Power |
1 W |
= 1 J/s
= Nm/s = 1 kg m²/s³ = 107 erg/s
= 0,10197 kp m/s = 1,3596*10-³ PS
= 1,3775*10-³ HP |
|
1 PS |
= 735,5
W = 75 kp m/s = 632,3 kcal/h
= 0,987 HP |
Dynamic
viscosity
|
1 Ns/m² |
= 1 Pa s
= 1 kg/m s = 10 g/cm s (Poise)
= 0,10197 kp s/m² = 0,6721 lbs/ft. s
= 0,020885 lbf/sq. ft |
|
1 m Pa s |
= 1 cP (Centipoise) |
Kinematic
viscosity
|
1 m²/s |
= 104
cm²/s (Stokes)
= 10,764 sq. ft/s |
Heating content,
heat of transformation
|
1 J/kg |
= 1 Ws/kg
= 1m²/s² = 2,3884*10-4 kcal/kg
= 4,30*10-4 BTU/lb |
Specific heat |
1 J/kgK |
= 1 m²/s²K
= 2,3884*10-4 kcal/kg grd
= 2,3884*10-4 BTU lb. °F |
Thermal conductivity |
1 W/mK |
= 1 kg m/s³K
= 0,859824 kcal/m h grd
= 6,934 BTU inch/sq. ft. hr. °F |
Heat transfer coefficient
coefficient of heat transmission
|
1 W/m²K |
= 1 kg/s³K
= 0,859824 kcal/m²h K
= 0,1754 BTU/sq ft hr °F |
Temperature |
X [K] |
= 273,15
+ X [°C] |
|
X [°F] |
= 32 + 1,8
X [°C] |
Table 35: Unit Conversion
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