Common Conversions

Length Conversions

1 mile = 5,280 ft = 1,760 yards = 1,609.34 m = 1.609 km

1 ft = 12 inches = 0.305 m = 30.48 cm

1 inch = 2.54 cm = 25.4 mm

1 km = 1,000 m = 0.621 miles

1 m = 39.37 inches = .3281 ft = 1.094 yards

1 cm = 10 mm = 0.394 inches

1 mm = 0.04 inches

1 section = 1 sq. mile = 640 acres = 2.59 sq km = 259 hectares

1 acre = 43,560 sq ft = 0.405 ha = 4047 sq m

1 sq ft = 0.093 sq m

1 sq km = 1,000,000 sq m = 100 ha = 247.1 acres

1 ha = 10,000 sq m = 2.471 ac

1 gallon = 4 quarts = 8 pints = 16 cups = 3.785 liters

1 quart = 0.946 liters

1 liter = 1.057 quarts = 0.264 gallons

1 ton = 2,000 lbs = 907.18 kg

1 lb = 16 oz = 453.59 g = 0.454 kg

1 oz = 28.35 g

1 kg = 2.205 lbs = 1,000 g = 1,000,000 mg

1 lb/ac = 1.121 kg/ha

1 kg/ha = 0.891 lbs/ac

1 ppm = 1 mg/kg

Degrees Fahrenheit = (9/5 X degrees C) + 32

Degrees Celsius = 5/9 X (degrees F - 32)

Area of a Circle = 3.1416 X radius2

Volume of a cylinder = 3.1416 X radius2X height