Wednesday, July 24, 2013

Notebook: Back-Page Info

Table of Linear Measure

12 inches = 1 foot
3 feet = 1 yard
16 1/2 ft. (5 1/2 yds.) = 1 rod
660 feet = 1 furlong
320 rods (5280 ft.) = 1 mile


Miscellaneous Measures

12 units = 1 dozen
12 doz. = 1 gross
12 gr. = 1 great gross
20 units = 1 score
1 hand = 4 inches
1 fathom = 6 feet
1 knot = 6086 feet
3 knots = 1 league
1 bu. potatoes = 60 lbs.
1 barrel flour = 196 lbs.
1 cu.ft. of water = 7.48 liquid gals. and weighs 62.425 lbs.
Diameter of circle x 3.1416 = circumference
Diameter of circle squared x .7854 = area
Atmospheric pressure is 14.7 lbs per sq. in. at sea level
13 1/2 cu.ft. of air weighs 1 lb.


Table of Cubic Measure

1728 cubic inches = 1 cubic foot
27 cubic feet = 1 cubic yard
128 feet = 1 cord of wood
24 3/4 cubic feet = 1 perch of stone

Note: A cord of wood is a pile 8 feet long, 4 feet wide and 4 feet high.
A perch of stone or brick is 16 1/2 feet long, 1 1/2 feet wide, and 1 foot high.


Table of Avoirdupois Weight

16 drams = 1 ounce (oz.)
16 ounces = 1 pound (lb.)
100 pounds = 1 hundredweight (cwt.)
2000 pounds = 1 ton (T.)
2240 pounds = 1 long ton (L.T.)