Conversion units

English units

• 1 inch = 0.0833 feet
• 1 acre = 43560 square feet
• 1 inch per hour = 2 feet per day
• 1 gallon = 0.1337 cubic feet

Metric conversions

• 1 foot = 0.3048 meters
• 1 inch = 2.54 centimeters
• 1 cubic foot = 28.32 liters = 0.0283 cubic meters
• 1 gallon = 3.785 liters = 0.00379 cubic meters

Pressure conversions

• 1 meter = 9.8 Kilopascals (kPA)
• 1 meter = 1.42 pounds per square inch (psi)
• 1 foot = 2.99 Kilopascals (kPa)
• 1 foot = 0.43 pounds per square inch (psi)

Other conversions

• mg/kg = ppm (parts per million)
• ug/kg = ppb (parts per billion)
• mg/L = ppm assuming the fluid has a density of 1 g/cm³
• ug/L = ppb assuming the fluid has a density of 1 g/cm³