Chapter XVII: Appendix: E

TO CHANGE METRIC TO ENGLISH MEASURE AND VICE VERSA

_To Change_ _To_ _Multiply by_
Inches Centimeters 2.54
Feet Meters 0.3048
Miles Kilometers 1.6093
Square Inches Square Centimeters 6.4516
Square Feet Square Meters 0.0929
Square Yards Square Meters 0.8361
Cubic Inches Cubic Centimeters 16.3872
Cubic yards Cubic Meters 0.7646
Fluid ounces Cubic Centimeters 29.574
Quarts Liters 0.9464
Ounces (avoirdupois) Grams 28.3495
Grains Milligrams 64.789
Pounds (avoirdupois) Kilograms 0.4536
Meters Inches 39.37
Meters Feet 3.2808
Kilometers Miles 0.6213
Square Centimeters Square Inches 0.155
Square Meters Square Yards 1.196
Cubic Centimeters Cubic Inches 0.0610
Cubic Meters Cubic Yards 1.308
Cubic Centimeters Fluid Ounces 0.0344
Liters Quarts 1.0567
Grams Grains 15.4324
Kilograms Pounds 2.204

APPENDIX F

SIZES OF TWIST DRILLS FOR TAPS OR SCREWS

_No. of Drill_ _No. of Tap _No. of Threads
or Screw_ to the Inch_

Use 38 for 4--36
“ 32 “ 6--32
“ 28 “ 8--32
“ 22 “ 10--24
“ 13 “ 12--24

APPENDIX G

SIZES OF TAPS AND DIES

_No. of Tap or Die_ _Threads to Inch_
4 36
6 32
8 32
10 24
12 24

APPENDIX H

SIZES OF MACHINE SCREWS AND NUTS

Machine screws and nuts are numbered the same as dies and taps.