Page:Handbook of Meteorology.djvu/271

1 square yd	=0.83613 sq meter
1 square foot	=0.1111 sq yd
	=144 sq in
	=0.0929 sq meter
	= 929.03 sq cm

1 square inch	=0.006944 sq ft
	=6.4516 sq cm

1 square mil	=0.00001 sq in
	=0.00064516 sq mm

1 square kilometer
1 square foot	=0.3861 sq mi
	=247.105 acres
	=1,000,000 sq meters

1 square meter	=1.196 sq yd
	=10.7639 sq ft
	=1550 sq in

1 square centimeter
1 square foot	=0.155 sq in
	=0.0001 sq meter

1 square millimeter	=1550 sq mils
	=0.00155 sq m

1 hectare	=2.471 acres
	=107,639 sq ft

Cubic Equivalents

1 cubic yard	=27 cu ft = 46,656
1 cu in	=0.76456 cu meter

1 cubic foot	=0.037 cu yd
	= 1728 cu in
	=7.4805 U S gals
	=6.2321 Imp gal
	=0.0283 cu meter
	=28317 cu cm

1 cubic inch

=16. 3872 cu cm

1 cubic meter	=1.30794 cu yd
	=35.3145 cu ft
	=61,023.4 cu in

1 cubic decimeter (1 liter)
1 cubic decimeter	=0.03531 cu ft
	61 .0234 cu in
	=1000 cu cm
	=0.26417 U S gal
	=0.22 Imp gal

Capacity

1 bushel U S
	=1.24445 cu ft
	=2150.4 cu in

1 bushel Br

=1.28368

1 gallon U S	=0.133681 cu ft
	=231 cu in
	=3.78543 liters
	=3785 cu cm
	=4 qts
	=8 pts

A cylinder 7 in diameter and 6 in high has a capacity of 230.9 cu in—practically 1 gal.

1 gallon, Imperial	=277.274 cu in
	=4.5437 liters

1 quart	=57.75 cu in
	=946.25 cu cm

1 fluid ounce	=1.8047 cu in
	=29.574 cu cm

Weight

1 ton, long	=2240 lbs (av)
	=1.016 met tons
	=1016.05 kg

1 ton, short	=2000 lbs
	=0.907 met ton
	=907 kilo

1 pound avoirdupois	= 16 oz
	=7000 grains
	=0.4536 kg
	=453-59 gram