Length

Imperial to Metric            Metric to Imperial

1 inch    =    2.54 cm      1 cm    =    0.394 in          

1 foot    =    30.48 cm     1 m     =    3.28 ft           

1 yard    =    91.44 cm     1 m     =    1.09 yd           

1 mile    =    1.61 km      1 km    =    0.621 mile        

Weight

Imperial to Metric            Metric to Imperial

1 oz    =    28.35 g       1 g     =    0.0353 oz         

1 lb    =    454 g         1 kg    =    2.20 lb           

1 ton   =   1.02 tonne     1 tonne =    0.984 ton         

Area

Imperial to Metric            Metric to Imperial

1 sq in  =  6.45 sq cm     1 sq cm  =  0.155 sq in       

1 sq ft  =  929 sq cm      1 sq m   =  10.8 sq ft        

1 sq yd  =  0.836 sq m     1 sq m   =  1.20 sq yd        

1 acre   =  0.405 hectare  1hectare =  2.47 acre         

1 sq mile =  259 hectare   1 sq km  =  247 acre          

Speed

1 mph  =  1.61 km/h   1 km/h  =  0.621 mph 

Volume-fluids

Imperial to Metric            Metric to Imperial

1 fl oz    =    28.4 ml     1 ml    =    0.035 fl oz       

1 pint     =    0.57 litre  1 litre =    1.76 pint         

1 gallon   =    4.55 litre  1cubic m  =  220 gallons       

Volume-dry

1 cubic in        =             16.4 cubic cm         

1 cubic cm        =             0.06 cubic in         

1 cubic ft        =             0.028 cubic m         

1 cubic m         =             35.3 cubic ft         

1 cubic yd        =             0.765 cubic m         

1 cubic m         =             1.31 cubic yd         

1 bushel          =             0.036 cubic m         

1 cubic m         =             27.5 bushels          

Volume-dry

  USA                   UK                   Metric          

1 pint       =        0.967 pint      =    0.55 litre        

1 bushel     =        0.967 bushel    =    35.29 litres      

Volume-fluid

  USA                  UK                  Metric           

1 pint        =      0.833 pint      =    0.473 litre       

1 gallon      =      0.827 gallon    =    3.785 litres