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Swegon Indoor Climate Systems 2004 - Air distribution products - Rev. 5 June, 2007
www.swegon.comConversion factors
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LENGTH | | |
m | in (inch) | ft (feet) |
l | 39.370 | 3.281 |
25.4·10-3 | 1 | 83.33·10-3 |
0.3048 | 12 | 1 |
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AREA | |
m2 | sq ft (square feet) |
l | 10.76 |
0.09290 | 1 |
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VOLUME | | |
m3 | ft3 | US gallon |
l | 35.32 | 264.2 |
28.32·10-3 | 1 | 7.481 |
3.785·10-3 | 0.1337 | 1 |
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MASS | |
Kg | lb (pound) |
l | 2.205 |
0.4536 | 1 |
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QUANTITY (Air flow rate) | | | |
m3/s | l/s | m3/h | cfm (cubic feet
per minute) |
l | 103 | 3600 | 2119 |
10-3 | 1 | 3,6 | 2.119 |
0.2778·10-3 | 0.2778 | 1 | 0.5886 |
0.4720·10-3 | 0.472 | 1.699 | 1 |
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VELOCITY | |
m/s | fpm (feet per minute) |
l | 196.9 |
5.080·10-3 | 1 |
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PRESSURE | | | | |
Pa (= 10-2 mbar) | kp/cm2 | mmvp | lb/in2 (psi)
(pound per
square inch) | in of water
(inch of water) |
1 | 10.20·10-6 | 0.1020 | 0.1450·10-3 | 4.015·10-3 |
98.07·103 | 1 | 104 | 14.22 | 393.7 |
9.807 | 10-4 | 1 | 1.422·10-3 | 39.37·10-3 |
6.895·103 | 70.31·10-3 | 703.1 | 1 | 27.68 |
249.1 | 2.540·10-3 | 25.40 | 36.13·10-3 | 1 |
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ENERGY | | | | |
J (= Ws) | kpm | kcal | kWh | Btu
(British thermal
unit) |
1 | 0.1020 | 0.2388·10-3 | 0.2778·10-6 | 0.9478·10-3 |
98.07 | 1 | 2.342·10-3 | 2.724·10-6 | 9.295·10-3 |
4.187·103 | 426.9 | 1 | 1.163·10-3 | 3.968 |
3.6·106 | 0.3671·106 | 859.8 | 1 | 3.412·103 |
1.055·103 | 107.6 | 0.2520 | 0.2931·10-3 | 1 |
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EFFECT | | | | | |
W (= J/s) | kW (= kJ/s) | kcal/h | hk | Btu/h | TR
(ton of re-
frigation) |
1 | 10-3 | 0.8598 | 1.36·10-3 | 3.412 | 0.2843·10-3 |
103 | 1 | 0.8598·103 | 1.360 | 3.412·103 | 0.2843 |
1.163 | 1.163·10-3 | 1 | 1.581·10-3 | 3.968 | 0.3307·10-3 |
735.5 | 0.7355 | 632.4 | 1 | 2.510·103 | 0.2091 |
0.2931 | 0.2931·10-3 | 0.2520 | 0.3985·10-3 | 1 | 83.33·10-6 |
3.517·103 | 3.517 | 3.024·103 | 4.783 | 12·103 | 1 |
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