263. WEIfJIlTS AND MEASURES. — 



Avoirdupois or Commercial Weight. 



16 drams = 1 ounce 



16 ounces =1 pound 



25 pounds =^1 quarter 



4 quarters or 100 pounds = 1 hundredweight 



20 hundredweight or 2000 lbs — 1 ten 



Troy or Jewelers' Weight. 



24 grains =1 pennyweight 



20 pennyweights ^1 ounce 



12 ounces — 1 pound 



Apothecaries' Weight. 

 20 grains =1 scruple 



3 scruples =1 dram 



8 drams =1 ounce 



12 ounces = 1 pound 



Dry Measure. 



2 pints =1 quart 



8 quarts = 1 peck 



4 pecks =1 bushel 



8 bushels (480 pounds) ^1 quarter 



36 bushels ^1 chaldron 



Liquid Measure. 



4 gills =1 pint 



2 pints =1 quart 



4 quarts =1 gallon 



31 'A gallons =1 barrel 



2 barrels, or 63 gallons =1 hogshead 



Apothecaries' Fluid Measure. 



00 minums = 1 tluid dram 



8 lluid drams =1 fluid ounce 



16 fluid ounces =1 pint 



8 pints — 1 gallon 



Line or Linear Measure 

 12 inches ,=^1 foot 



3 feet =1 yard 



5'A yards or \6'/j feet =1 rod or pole 



40 rods =1 furlonpT 



8 furlongs =1 mile (statute mile) 



3 miles z-\ league 



Surveyors' or Chain Measure. 

 7.92 inches = 1 link 



25 links ^1 rod or pole 



4 rods or 66 feet —1 chain 



80 chains =^1 mile 



Square or Surface Measure 

 144 square inches =1 square foot 



9 square feet =1 square yard 



30;4 square yards =1 square rod or perch 



160 square rods =1 acre 



640 acres =;1 square mile or section 



Surveyor's Square Measure 



625 square links :=1 square rod or pole 



16 poles ^1 square chain 



10 square chain =1 acre 



640 acres =1 square mile or section 



36 square miles (6 miles square) ^1 township 



Solid or Cubic Measure 



1728 cubic inches =1 cubic foot 



27 cubic feet =1 cubic yard 



16 cubic feet ^1 cord foot 



8 cord feet or 128 cubic feet =1 cord of wood 



24-)4 cubic feet =rl perch 



