Conversion Table
Engineering Terms

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Imperial Measure Metric Measure
1 foot per second = 0.3048 meter
per second		 1 meter per second = 3.2809 feet per second
1 foot per minute = 0.3048 meter per minute 1 meter per minute = 3.2809 feet per minute
1 mile per hour = 1.6093 km per hour 1 hm per hour = 0.6214 mile per hour
1 lb per foot = 1.48819 kilo per meter 1 kilo per meter = 0.67196 lb per foot
1 lb per yard = 0.49606 kilo per meter 1 kilo per meter = 2.01587 lbs per yard
1 lb per in² = 0.07031 kilo per cm² 1 kilo per cm² = 14.22282
1 lb per ft² = 4.88261 kils per m² 1 kilo per m² = 0.20481
1 ton per in² = 10.93804 metric tons per m² 1 kilo per mm² = 0.63495 ton per in²
      1 metric ton per m² = 0.09143 ton per ft²

 

Miscellaneous Conversions

Imperial Gallon = 1.200 US Gallons = 4.5435 litres
1 US Gallon = 0.833 Imperial Gallons = 3.7854 litre
1 litre = 0.220 Imperial Gallons = 0.2642 US Gallons
1 Nautical mile = 1.152 miles = 1.8532 meters
1 FBM (foot board) = 1/12 cu feet = 1' x 1' x 1"

 

Pressure Conversion Table

PSI In. H20 In. Hg mm H20
mmaq		 mm Hg ATM mbar
1 27.73 2.0369 704.49 51.71 0.06804 69.07
0.03605 1 0.0734 25.4 1.8627 0.00245 2.491
0.49116 13.623 1 346.02 25.4 0.03342 33.9349
0.00142 0.03937 0.00289 1 0.07341 0.0000966 0.098070
0.01934 0.5632 0.03937 13.623 1 0.001316 1.33597
14.696 407.61 29.921 10.199 760 1 1015.357
0.0145 0.402 0.02949 10.199 0.74866 0.00098499 1

 

mmH2O kg/m2 m3/min CFM CFM m3/hr
1 1 1 35.3 1 1.6892

Flow Conversion Table

CFM L/Sec cm/Sec Meter/Minute
1 0.47195 0.02832 1.6990
2.1189 1 0.60 3.6
35.314 16.666 1 60
0.58861 0.27778 0.01667 1

 

Velocity Conversion Table

Feet/Second Feet/Minute cm/Sec Meter/Sec Meter/min
1 60 3048 0.3048 18.29
0.01667 1 10.508 0.0005080 0.3048
0.03281 1.9685 1 0.01 0.60
3.281 196.85 100 1 60
0.0547 3.281 1.667 0.01667 1

 

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