Ship Via :	Rate	Length	Width	Height	Actual Weight	Volume	Dimensional Weight	Chargeable Weight	Total Charge
a)	air	$20 CAD/KG	30 cm	25 cm	45 cm	3 Kg
b)	air	$40 CAD/KG	48 in.	36 in	24 in	100 kg
c)	road	$72 US/cwt	4 ft	3.5 ft	2.5 ft	400 lbs
d)	road	$25 CAD/cwt	34 in.	42 in	26 in	200 lbs

Weight Volume Ratios
Road	10 pounds per cubic foot
Air	1 Kilogram per 6000 cubic centimetres
	1 Kilogram per 366 cubic inches
	1 pound per 166 cubic inches

Factors
1 ft3 (Cubic foot)	1728 in3 (Cubic inch)
1 ft	12 in.
1 ft	30.5 cm
1 in	2.54 cm

What is a cwt???

Is an old British term. Most trucking rates are quoted in dollars per cwt or 100 pounds