1 barrel = 117.347766 liters
1 US gallon = 3.7854118 liters
1 ounce = 28.3495231 grams
1 pound = 453.59237 grams
1 meter = 39.37 inches
1 foot = 0.305 meter
Common Weights and Measures
Length
Metric System
1 millimeter = 1/1,000 meter
1 centimeter = 1/100 meter
1 decimeter = 1/10 meter
1 meter (basic unit of length)
1 dekameter = 10 meters
1 kilometer = 1,000 meters
American and British Units
1 inch = 1/36 yard = 1/12 foot
1 foot = 1/3 yard
1 yard (basic unit of length)
1 rod = 5 1/2 yards
1 furlong = 220 yards = 40 rods
1 mile = 1,760 yards = 5,280 feet
1 fathom = 6 feet
1 nautical mile = 6,076.1 feet
Conversion Factors
1 centimeter = 0.39 inch
1 inch = 2.54 centimeters
1 meter = 39.37 inches
1 foot = 0.305 meter
1 meter = 3.28 feet
1 yard = 0.914 meter
1 meter = 1.094 yards
1 kilometer = 0.62 mile
1 mile = 1.609 kilometers
Area
Metric System
1 square centimeter = 1/10,000 square meter
1 square decimeter = 1/100 square meter
1 square meter (basic unit of area)
1 are = 100 square meters
1 hectare = 10,000 square meters = 100 ares
1 square kilometer = 1,000,000 square meters
American and British Units
1 square inch = 1/1,296 square yard = 1/144 square foot
1 square foot = 1/9 square yard
1 square yard (basic unit of area)
1 square rod = 30 1/4 square yards
1 acre = 4,840 square yards = 160 square rods
1 square mile = 3,097,600 square yards = 640 acres
Conversion Factors
1 square centimeter = 0.155 square inch
1 square inch = 6.45 square centimeters
1 acre = 0.405 hectare
1 hectare = 2.47 acres
1 square kilometer = 0.386 square mile
1 square mile = 2.59 square kilometers
Volume and Capacity (Liquid and Dry)
Metric System
1 cubic centimeter = 1/1,000,000 cubic meter
1 cubic decimeter = 1/1,000 cubic meter
1 cubic meter = 1 stere (basic unit of volume)
1 milliliter = 1/1,000 liter = 1 cubic centimeter
1 centiliter = 1/100 liter
1 deciliter = 1/10 liter
1 liter = 1 cubic decimeter (basic unit of...