TECH SPOTLIGHT
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Air filters for all types of Heating, Ventilation and Air Conditioning (HVAC) systems. High purity products for Gas Turbines, Paint Spray Booths, cleanrooms, bio-safety and clean benches.

World leading spray booths by GFS in the USA

AIR FILTERS TECHNICAL SECTION - General

Metric Conversions Used in the Air Filter Industry

Length

1 inch = 25.399956 mm

1 inch = 2.539996 cm

1 inch = 0.0254 m

1 foot = 0.304799 m

1 foot = 30.4799 cm

1 foot = 304.799 mm

1 mile = 1.609 km

1 mm = 0.03937 in

1 cm = 0.39370 in

1 m = 39.3702 in

1 m = 3.280851 ft

1 cm = 0.03281 ft

1 mm = 0.00328 ft

1 km = 0.62137 mile

Pressure

1 in.w.g. = 249.082 Pa

1 in.w.g. = 0.24908 kPa

1 Atm = 101325 Pa

1 Atm = 101.325 kPa

1 psi = 1 lb/in 2 = 6.89476 kPa

1 lb/ft 2 = 0.0478803 kPa

1mmHg = 0.132947 kPa

1 in.Hg = 3.37685 kPa

1 ft water column = 2.98898 kPa

1 Pa = 0.00401 in.wg

1 kPa = 4.0147 in.wg.

1 Pa = 9.869 x 10 6 Atm

1 kPa = 0.009869 Atm

1 kPa = 0.145038 psi

1 kPa = 20.8854 lb/ft 2

1 kPa = 7.52179 mmHg

1 kPa = 0.29613 in.Hg

1 kPa = 0.33456 ft water column

Flow Rate

1 cfm (cu.feet/minute) = 0.471947 litre/second

1 cfm = 0.000472 m 3/second

1 cfm = 1.699011 m 3/hour

1 l/s = 2.118879973 cfm

1 m3/s = 2118.879973 cfm

1 m3/h = 0.588578 cfm

1 l/s = 0.001 m3/s

Temperature

1 deg. F = (F-32)/1.8 deg. C

1 deg. C = (C x 1.8)+32 deg. F

Area

1 in 2 = 0.000645 m 2

1 ft 2 = 0.092903 m 2

1 yd 2 = 0.8361274 m 2

1 m 2 = 1,550.01 in 2

1 m 2 = 10.76391 ft 2

1 m 2 = 1.19599 yd 2

Volume (Solids)

1 in 3 = 16.3871 x 10 -6 m 3

1 ft 3 = 0.02831685 m 3

1 yd 3 = 0.7645549 m 3

1 m 3 = 61,023.61 in 3

1 m 3 = 35.31466 ft 3

1 m 3 = 1.307951 yd 3

Volume (Liquids)

1 fl oz = 28.41306 ml

1 pint = 0.568261 litre

1 gal = 0.454609 litre

1 US gal = 0.378541 litre

1 ml = 0.035195 fl oz

1 litre = 1.759754 pint

1 litre = 2.199692 gal

1 litre = 2.641722 US gal

Velocity

1 ft/sec = 0.3048 m/s

1 ft/m = 0.00508 m/s

1 mph = 1.60934 km/h

1 m/s = 3.2808399 ft/sec

1 m/s = 196.85039 ft/m

1 km/h = 0.6213712 mph

If you have any questions or queries relating to the content of this page or any technical questions relating to air filters, spray booths, Peregrine Industries, Filtrair, Filtration Group or GFS or any product on this site, please contact us through our contacts page

Download Conversion Chart in pdf format

The figures above are to be used as a guide only, and should always be checked before use.

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Last Updated: December 21, 2011