Metric System:
mm Millimetre .001m
cm Centimetre .01m
dm Decimetre .1m
m Metre 1m
dam Decametre 10m
hm hectometre 100m
km Kilometre 1000m
English system:
1 foot (ft) = 12 inches (in)
1 yard (yd) = 3 feet
1 mile (mi) = 1760 yards
1 sq. foot = 144 sq. inches (in)
1 sq. yard = 9 sq. feet
1 acre = 4840 sq. yards
1 sq. mile = 640 acres
Temperature:
C˚ to F˚ x 1.8 + 32
F˚ to C˚ (-32) x 0.555
Units of Liquid Volume:
10 milliliters (mL) = 1 centiliter (cL)
10 centiliters = 1 deciliter (dL) = 100 milliliters
10 deciliters = 1 liter1 = 1000 milliliters
10 liters = 1 dekaliter (daL)
10 dekaliters = 1 hectoliter (hL) = 100 liters
10 hectoliters = 1 kiloliter (kL) = 1000 liters