From Multiply by To get
inches 25.4 millimeters
inches 2.54 centimeters
feet 30.48 centimeters
yards 0.91 meters
miles 1.61 kilometers
teaspoons 4.93 milliliters
tablespoons 14.79 milliliters
fluid ounces 29.57 milliliters
cups 0.24 liters
pints 0.47 liters
quarts 0.95 liters
gallons 3.79 liters
cubic feet 0.028 cubic meters
cubic yards 0.76 cubic meters
ounces 28.35 grams
pounds 0.45 kilograms
short tons (2,000 lbs) 0.91 metric tons
square inches 6.45 square centimeters
square feet 0.09 square meters
square yards 0.84 square meters
square miles 2.60 square kilometers
acres 0.40 hectacres

millimeters 0.04 inches
centimeters 0.39 inches
meters 3.28 feet
meters 1.09 yards
kilometers 0.62 miles