DivisionsMilligram(mg)=0.001 g= 0.0154 grainavoirdupois
Centigram(cg)=0.01  g= 0.1543 grain“
Decigram(dg)=0.1   g= 1.5432 grain“
Unit Gram(g)=1    g=15.432  grains“
MultiplesDekagram(Dg)=10    g= 0.3527 ounce“
Hektogram(Hg)=100    g= 3.5274 ounces“
Kilogram(Kg)=1,000    g= 2.2046 pounds“
Myriagram(Mg)=10,000    g=22.046 pounds“

APPENDIX E
TO CHANGE METRIC TO ENGLISH MEASURE AND VICE VERSA

To ChangeToMultiply by
InchesCentimeters 2.54
FeetMeters 0.3048
MilesKilometers 1.6093
Square InchesSquare Centimeters 6.4516
Square FeetSquare Meters 0.0929
Square YardsSquare Meters 0.8361
Cubic InchesCubic Centimeters16.3872
Cubic yardsCubic Meters 0.7646
Fluid ouncesCubic Centimeters29.574
QuartsLiters 0.9464
Ounces (avoirdupois)Grams28.3495
GrainsMilligrams64.789
Pounds (avoirdupois)Kilograms 0.4536
MetersInches39.37
MetersFeet 3.2808
KilometersMiles 0.6213
Square CentimetersSquare Inches 0.155
Square MetersSquare Yards 1.196
Cubic CentimetersCubic Inches 0.0610
Cubic MetersCubic Yards 1.308
Cubic CentimetersFluid Ounces 0.0344
LitersQuarts 1.0567
GramsGrains15.4324
KilogramsPounds 2.204

APPENDIX F
SIZES OF TWIST DRILLS FOR TAPS OR SCREWS

No. of DrillNo. of Tap
or Screw
No. of Threads
to the Inch
Use38for4—36
“32“6—32
“28“8—32
“22“10—24
“13“12—24