Notes on Measurement

Distance

English-English Metric-Metric English-Metric
1 mile = 1760 yards
= 5280 feet (ft)
1 kilometer (km) = 1000 meters (m) 1 mile = 1.6 kilometers (approx)
1 yard = 3 feet = 36 inches 1 meter = 100 centimeters (cm) 39.37 inches = 1 meter (approx)
1 foot = 12 inches (in) 1 meter = 1000 millimeters (mm) 1 inch = 2.54 centimeters (cm) (exactly)

Weight

English-English Metric-Metric English-Metric
1 pound (lb) = 16 ounces (oz) 1 kilogram (kg) = 1000 grams (gm) 1 pound (lb) = .45 kilograms (approx)
1 ton = 2000 pounds (lb) 1 gram (gm) = 1000 milligrams (mg) 1 pound (lb) = 454 grams (g) (approx)

Time

1 year = 365 days
1 week = 7 days
1 day = 24 hours
1 hour = 60 minutes
1 minute = 60 seconds

Volume

English-English Metric-Metric English-Metric
1 quart = 16 fluid ounces 1 liter = 1000 milliliters (ml) 1 quart = 1.1 liters (approx)
1 gallon = 4 quarts 1 liter = 1000 cm3
1 cup = 8 ounces (oz)