APPENDIX 



587 



METRIC SYSTEM 



LINEAR MEASURE OR MEASURES OF LENGTH 



10 millimeters (mm.) = 1 centimeter (cm.) 

 100 centimeters = 1 meter (m.) 



1000 meters = 1 kilometer (km.) 



SQUARE MEASURE OR MEASURES OF SURFACE 



100 square millimeters (sq. mm.) = 1 square centimeter (sq. cm.) 



= 1 square meter (sq. m.) 



= 1 square kilometer (sq. km.) 



10,000 square centimeters 

 1,000,000 square meters 



MEASURES OF VOLUME OR CAPACITY 



1,000 cubic millimeters (cu. mm.) = 1 cubic centimeter (cu. cm.) 

 1,000,000 cubic centimeters = 1 cubic meter (cu. m.) 



1,000 cubic centimeters = 1 liter (1.) 



MEASURES OF WEIGHT OR MASS 



1000 milligrams (mg.) = 1 gram (g. or gm.) 



100 centigrams (eg.) = 1 gram 



1000 grams = 1 kilogram (kg.) 



1000 kilograms = 1 metric ton 



MISCELLANEOUS 



1 cubic centimeter of water at 4C. or 39.2F. weighs 1 gram 



1 liter of water at 4C. or 39.2F. weighs 1 kilogram 



1 cubic centimeter of dry air at the sea level weighs 0.001293 grams 



1 liter of dry air at the sea level weighs 1.293 grams 



The average air pressure at sea level = 1033 grams per square centimeter 



Inches and ^2 of an inch 



Centimeters and H of a millimeter 



METRIC AND ENGLISH EQUIVALENTS 



1 inch = 2 . 54 centimeters 



1 foot = 30 . 48 centimeters 



1 quart (U. S. liquid) = 0.9464 liter 

 1 quart (U. S. dry) = 1 . 101 liters 

 1 ounce (avoirdupois) = 28 . 35 grams 



