Metric Conversion

Metric Conversion Table

Length                    1 in. =25.44mm [approximately 25mm]

                                1ft = 304.8 mm [approximately 300mm]

                                1 yd  = 0.914m [approximately 910mm]

                                1 mile=1.609 km [approximately 1.1 yd.]

                                1km = 0.621 mile

Area                        1ft^2 =0.093 m^2

                                1 yd^2=0.836 m^2

                                1 acre = 0.405 ha [ 1 ha = 10000 m^2] { ha = hectare}

                                1 mile^2= 2.590 〖km〗^2

                                1m^2 = 10.764 〖ft〗^2 = 1.196yd^2

                                1ha = 2.471 acres

                                1km^2 =0.386〖mile〗^2

Volume                    1 ft^3=0.028m^3

                                1 yd^3 = 0.756m^3

                                1m^3 = 35.315ft^3=1.308yd^3

                                1ft^3=28.32 liters(1000 liters=1m^3)

                                1 gal= 4.546 liters

                                1 liter = 0.220 gal

Mass                        1 lb = 0.454kg

                                1 cwt = 50.80 kg

                                1 ton = 1.016 t ( 1 tone = 1000 kg = 0.984 ton)

                                1 kg = 2.205 lb

Density                    1lb/ft^3=16.019kg/m^3

                                1 kg/m^3=0.062 lb/〖ft〗^3

Velocity                   1ft/s = 0.305 m/s

                                1 mile/h = 1.609 km/h

Energy                     1 therm = 105.506 MJ

                                1 Btu = 1.055kJ

Thermal                   1 btu/ft^2h˚F = 5.678 W/m^2˚C

Conductivity 

Temperature             x˚F = (5/9)(x-32) ˚C

                                 x˚C =(9/5)x+32˚F

                                 0˚C=32˚F