APPENDIX A 



O >MPARISON OF METRICAL WITH ENGLISH MEASURES. 



Measures of Length. 



I millimetre = 0-03937 inch, 

 i centimetre =0-39371 ,, 

 i decimetre = 3-9 3708 inches, 

 i metre = 39'37O79 



i inch = 25-3905 millimetres. 



Measures of Weight. 



I gramme = 15*432349 grains, 



i kilogramme = 2-2046213 pounds. 



I ounce = 28-3495 grammes. 



I pound =453-5926 



Measures of Volume. 



i cubic centimetre= 0-061027 cubic inch. 



i litre (1,000 cubic centimetres) 61-027052 cubic inches. 



= 1-760773 English or 2-11 

 American pints. 



= 0-22009668 gallon. 



i cubic inch = 16-3861759 cubic centimetres. 



i cubic foot =28-3153119 cubic decimetres (or litres). 



i pint = 0-567932 litre. 



i gallon = 4-5434579 litres. 



Measures of Work. 



i kilogrammetre = about 7-24 foot-pounds. 



i foot-pound =0-1381 kilogrammetre. 



i (kilo)calorie of heat = 425-5 kilogrammetres of work. 



Temperature Scales. To convert degrees Fahrenheit into degrees 

 grade, subtract 32, and multiply the remainder by f. To convert 

 degrees C. into degrees F., multiply by f , and add 32 to the result. 



