Metric Conversions

LENGTH

WEIGHT

1 ft.

=

0.3048 m

1 lb

=

0.4536 kg

1 meter

=

3.28 ft

1 kg

=

2.2 lb

1 inch

=

25.4 mm or 2.54 cm

AREA

VOLUME

1 ft²

=

0.0929 m²

1 US gallon

=

3.79 litres

1 m²

=

10.8 ft²

1 litre

=

0.264 US gallon

1 ft³

=

0.028 m³

PRESSURE

1 m³

=

35.3 ft³

1 psi

=

2.31 ft water

1 psi

=

6.90 kpa (n/m2)

FLOW RATES

1 kpa

=

0.145 psi

1 cfm

=

0.00047 m³/sec

1" w.g.

=

0.2486 kpa

1 cfm

=

1.699 m³/hr

1 kpa

=

4.02" w.g.

1 m³/hr

=

0.5886 cfm

1 ft water

=

3 kpa

1 m³/sec

=

2119 cfm

1 pa

=

0.004 in

1 USgpm

=

0.0631 litre/sec

1" s.p.

=

249 pa

1 litre/sec

=

15.84 USgpm

1 mbar

=

0.407 in water

1 lb/hr

=

0.4536 kg/hr

1 litre/sec

=

2.119 cfm

INERTIA

1 m³/min

=

35.3 cfm

1 lb-ft²

=

0.04214 kg/m²

n m³/hr x ((273 + ??^oC)/273)

=

a m³/hr

TORQUE

VELOCITY

1 ft-lb

=

1.356 n-m

1 ft/min

=

0.0051 m/sec

1 m/sec

=

196.6 ft/min

DENSITY

1 lb/ft³

=

16.02 kg/m³

POWER/HEAT TRANSFER

1 kg/m³

=

0.0624 lb/ft³

1 hp

=

0.746 kw

1 kw

=

1.34 hp

DUST LOAD

1 kw

=

3412.2btu/hr

mg/m³ x 0.000437

=

gr/ft³

1 kcal/hr

=

3.968 btu/hr

1 kcal/min

=

238.1 btu/hr