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maten omrekenen |
Bron: Engineershandbook
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Common Engineering Design Conversion Factors |
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|
Given |
Multiply by |
To Find |
|
Lengte, Length [L] |
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|
Foot (ft) |
0.304800 |
Meter (m) |
|
Inch (in) |
25.4000 |
Millimeter (mm) |
|
Mile (mi) |
1.609344 |
Kilometer (km) |
|
Oppervlakte, Area [L]2 |
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|
ft2 |
0.092903 |
m2 |
|
in2 |
645.16 |
mm2 |
|
in2 |
6.45160 |
cm2 |
|
Volume [L]3 & Capacity |
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|
in3 |
16.3871 |
cm3 |
|
ft3 |
0.028317 |
m3 |
|
ft3 |
7.4805 |
Gallon |
|
ft3 |
28.3168 |
Liter (l) |
|
Gallon |
3.785412 |
Liter |
|
Energie,
Energy |
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|
Btu |
1.05435 |
kJ |
|
Btu |
0.251996 |
kcal |
|
Calories (cal) |
4.184* |
Joules (J) |
|
ft-lbf |
1.355818 |
J |
|
ft-lbf |
0.138255 |
kgf-m |
|
hp-hr |
2.6845 |
MJ |
|
KWH |
3.600 |
MJ |
|
m-kgf |
9.80665* |
J |
|
N-m |
1. |
J |
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Vloeisnelheid, Flow Rate [L]3 [t]-1 |
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ft3/min |
7.4805 |
gal/min |
|
ft3/min |
0.471934 |
l/s |
|
gal/min |
0.063090 |
l/s |
|
Kracht,
Force or |
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|
kgf |
9.80665* |
Newton (N) 1) |
|
lbf |
4.44822 |
N |
|
lbf |
0.453592 |
Kgf |
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Fractuur, Fracture Toughness |
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|
ksi sqr(in) |
1.098800 |
MPa sqr(m) |
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Warmtecapaciteit, Heat Content |
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|
Btu/lbm |
0.555556 |
cal/g |
|
Btu/lbm |
2.324444 |
J/g |
|
Btu/ft3 |
0.037234 |
MJ/m3 |
|
Heat Flux |
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|
Btu/hr-ft2 |
7.5346 E-5 |
cal/s-cm2 |
|
Btu/hr-ft2 |
3.1525 |
W/m2 |
|
cal/s-cm2 |
4.184* |
W/cm2 |
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Volumieke massa, Mass Density [M] [L]-3 |
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|
lbm/in3 |
27.68 |
g/cm3 |
|
lbm/ft3 |
16.0184 |
kg/m3 |
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Vermogen, Power [M] [L]2 [t]-3 |
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Btu/hr |
0.292875 |
Watt (W) |
|
ft-lbf/s |
1.355818 |
W |
|
Horsepower (hp) |
745.6999 |
W |
|
Horsepower |
550.* |
ft-lbf/s |
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Druk, spanning, Pressure (fluid) [M] [L]-1 [t]-2 |
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|
Atmosphere (atm) |
14.696 |
lbf/in2 |
|
atm |
1.01325 E5* |
Pascal (Pa) |
|
lbf/ft2 |
47.88026 |
Pa |
|
lbf/in2 |
27.6807 |
in. H20 at 39.2°F |
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Druksterkte, Stress [M] [L]-1 [t]-2 |
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|
kg/cm2
|
9.80665 |
MPa |
|
ksi |
6.89476 |
MPa |
|
N/mm2 |
1. |
MPa |
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kgf/mm2 |
1.42231 |
ksi |
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Specific Heat |
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|
Btu/lbm-°F |
1. |
cal/g-°C |
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Temperatuur, Temperature* |
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|
Fahrenheit |
(°F-32) /1.8 |
Celsius |
|
Fahrenheit |
°F+459.67 |
Rankine |
|
Celsius |
°C+273.16 |
Kelvin |
|
Rankine |
R/1.8 |
Kelvin |
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Warmtegeleiding, Thermal Conductivity |
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|
Btu-ft/hr-ft2-°F |
14.8816 |
cal-cm/hr-cm2-°C |
*)
Indicates exact conversion(s)
1) F =m.g dus gewicht in Newton is massa in kg x 9,81 m/s2
Drukgerelateerde eenheden
|
|
Pascal |
bar |
N/mm2 |
kp/m2 |
kp/cm2 (=1 at) |
atm |
torr |
|---|---|---|---|---|---|---|---|
|
1 Pa (N/m2)= |
1 |
10-5 |
10-6 |
0.102 |
0.102×10-4 |
0.987×10-5 |
0.0075 |
|
1 bar (daN/cm2) = |
105 |
1 |
0.1 |
10,200 |
1.02 |
0.987 |
750 |
|
1 N/mm2 = |
106 |
10 |
1 |
1.02×105 |
10.2 |
9.87 |
7,501 |
|
1 kp/m2 = |
9.81 |
9.81×10-5 |
9.81×10-6 |
1 |
10-4 |
0.968×10-4 |
0.0736 |
|
1 kp/cm2 (1 at) = |
98,100 |
0.981 |
0.0981 |
10,000 |
1 |
0.968 |
736 |
|
1 atm (760 torr) = |
101,325 |
1.013 |
0.1013 |
10,330 |
1.033 |
1 |
760 |
|
1 torr (mmHg) = |
133 |
0.00133 |
1.33×10-4 |
13.6 |
0.00132 |
0.00132 |
1 |
