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Metric to Imperial Units Conversion

Area

1 km2 100 ha
247.11 acres
1 ha 10,000 m2
  2.4711 acres
1 m2 1.1960 yd2
1 mm2 0.00155 in2
1 mile2 2.5899 km2
1 ft2 0.092903 m2
1 in2 645.16 mm2
  0.00064516 m2

Density

1 kg/m3 1.686 lb/yd3
  0.62428 lb/ft3
1 g/cm3 62.428 lb/ft3
1 lb/ft3 16.019 kg/m3

Energy

1 MJ 0.27778 kWh
1 J 0.73756 ft. lbf
1 kWh 3.6 MJ
1 Btu 1.0551 kJ

Force

1 N 0.10197 kgf
  0.22481 lbf
1 kN 101.97 kgf
  224.81 lbf
1 kgf 9.8067 N
1 lbf 4.4482 N

Length

1 km 0.62137 mile
1 m 3.2808 ft
  1.0936 yd
1 cm 0.39370 in
1 mm 0.03937 in
1 mile 1.6093 km
  5280 ft
1 yd 0.9144 m
1 ft 0.3048 m
  304.8 mm
1 in 25.4 mm

Mass

1 tonne (metric) 1,000 kg
  2204.6 lb
  0.98420 ton (long)
  1.1023 ton (short)
1 kg 2.2046 lb
1 g 0.03527 oz (avdp.)
1 Btu 1.0551 kJ
1 ton (long) 1016.5 kg
  2240 lb
1 ton (short) 907.19 kg
  2000 lb
1 lb 0.45359 kg
1 oz (avdp.) 28.349 g

Power

1 hp 745.70 W (J/s)
1 ft. lbf/s 1.3558 W
1 W 0.0013410 hp
  3.4121 Btu/hr
1 Btu/hr 0.29307 W
1 mmBtu/hr 293.07 kW
393.01 hp

Pressure

1 Pa (N/m2) 0.000145 psi (lbf/in2)
1 kPa (kN/m2) 1,000 Pa
  0.14504 psi
  20.885 lbf/ft2
  0.2953 in Hg
1 MPa (MN/m2) 1,000 kPa
  145.04 psi
1 bar 100 kPa
  14.504 psi
1 atm 101.33 kPa
  14.696 psi
1 mm H2O 9.8067 Pa
1 in H20 (IWC) 0.24908 kPa
  0.036125 psi
1 m H2O 9.8067 kPa
  1.422 psi
1 mm Hg 133.32 Pa
  0.01934 psi
1 psi (lbf/in2) 6.8948 kPa
1 psi 16 oz/in2
1 lbf/ft2 47.880 Pa
1 in Hg 3.3864 kPa
0.491 psi
1 oz/in2 0.0625 psi
0.43092 kPa

Temperature

Kelvin (K) = (tF + 459.67) / 1.8
  = (tC + 273.15)
Celsius (C) = (tF - 32) / 1.8
Fahrenheit (F) = (tC x 1.8) + 32

Torque

1 ft lbf 1.3558 N m
1 N m 0.73756 ft lbf

Volume, Capacity

1 m3 6.2898 bbl (US oil)
1.3080 yd3
1 liter (dm3) 0.035315 ft3
0.26417 US gal
1.0570 US qt
2.1134 US pt
0.21997 imp gal
1 cm3 0.06102 in3
0.0338 US fl oz
0.0352 UK fl oz
1 yd3 0.76455 m3
1 ft3 0.028317 m3
1 in3 16.387 cm3
1 bbl (US oil) 0.15899 m3
1 US gal 3.7854 liters (dm3)
0.13368 ft3
1 US pt 0.47318 liters (dm3)
1 US fl oz 29.573 cm3
1 103m3 0.035315 mmscf
1 mmscf 28.317 103m3
1 bbl (US oil) 0.15899 m3