Linear Measure 
1 millimetre =0.03937 inch Ӣ
1 centimetre =10 mm. =0.3937 inch Ӣ
1 decimetre =10 cm. =3.937 inches Ӣ
1 metre =10 dm. =1.0936 yards =3.2808 feet Ӣ
1 decametre ʮ=10 m. =10.936 yards 
1 hectometre =100 m. =109.4 yards 
1 kilometre ǧ=1000 m. =0.6214 mile Ӣ
1 mile marin =1852 m. =1.1500 mile Ӣ

Square Measure 
1 square centimetre ƽ=0.155 sq.inch ƽӢ
1 square metre ƽ=1.196 sq.yards ƽ
1 are Ķ=100 square metres ƽ
  =119.6 sq.yards ƽ
1 hectare =100 ares Ķ=2.471 acres ӢĶ
1 square kilometre ƽ=0.386 sq.mile ƽӢ
Cubic Measure 
1 cubic centimetre =0.061 cu.inch Ӣ
1 cubic metre =1.308 cu.yards 

Capacity Measure ݻ
1 millilitre =0.002 pint (British) ӢƷ
1 centilitre =10 ml. =0.018 pint Ʒ
1 decilitre =10 cl. =0.176 pint Ʒ
1 litre =10 dl. =1.76 pints Ʒ
1 decalitre ʮ=10 l. =2.20 gallons 
1 hectolitre =100 l. =2.75 bushels ʽ
1 kilolitre ǧ=1000 l. =3.44 quarters ʽ

Weight  
1 milligram =0.015 grain 
1 centigram =10 mg. =0.154 grain 
1 decigram ֿ=10 cg. =1.543 grains 
1 gram =10 dg. ֿ=15.43 grains 
1 decagram ʮ=10 g. =5.64 drams 
1 hectogram ٿ=100 g. =3.527 ounces ˾
1 kilogram ǧ=1000 g. =2.205 pounds 
1 ton (metric ton) ,=1000 kg. ǧ
  =0.984 (long) ton ,Ӣ=1.1023 ̶,
