Measure of capacity is a term used to describe the amount of a substance that can be contained in a certain space. A pint, PECK, liter, millilitre, BUSHEL, litre, CUBIC, gallon, BARREL, and TON are all units of measure of capacity. A pint is equal to 473 millilitres, a PECK is equal to 8 dry gallons, a liter is equal to 1 CUBIC decimeter, a millilitre is equal to 0.001 liters, a BUSHEL is equal to 8 dry gallons, a litre is equal to 1 CUBIC decimeter, a CUBIC is equal to 1000 liters, a gallon is equal to 3.785 liters, a BARREL is equal to 42 gallons, and a TON is equal to 2000 pounds.