Metric Conversions

Distance
1 inch = 2.54 centimeters = 25.4 millimeters
1 foot = 0.305 meter = 30.48 centimeters
1 yard = 0.9144 meter
1 mile = 1.61 kilometers = 5,280 feet
1 kilometer = 1,000 meters = 0.6214 mile
1 meter = 100 centimeters = 1,000 millimeters
1 meter = 3.28 feet
1 centimeter = 0.3937 inch = 10 millimeters
1 millimeter = 0.039 inch = 0.1 centimeter
1 micron = 10-4 centimeter = 10 meter
10-6 meter = 1 micrometer
Volume
1 kilolitre = 1,000 litres = 1 cubic meter
1 litr = 1,000 millilitres = 1,000 cc
1 millilitre = 1 cc (exactly 1.000027cc)
1 fluid ounce = 29.57 millilitres
1 US gallon = 3.785 litres
1 imperial gallon = 4.546 litres
Weight
1 kilogram = 1000 grams = 2.2 pounds
1 gram = 1,000 milligrams = 0.035 ounce
1 milligram = 1,000 micrograms = 1/1,000 gram
1 microgram = 10-6 grams = 1/1,000 milligram
1 nanogram = 10-9 grams = 1/1,000 microgram
1 pound = 0.45 kilogram = l6 ounces
1 ounce = 28.35 grams