National Wildfire Coordinating Group

Table 2.1 Summarized Conversion Table

Linear Measure

1 foot = 12 inches
1 foot = 0.3048 meter
1 mile = 5,280 feet
1 chain = 66 feet
1 mile = 80 chains

Area Measure               

1 acre = 10 square chains = ch2
1 acre = 43,560 square feet = ft2 
1 acre= 4,046 square meters = m2
1 square mile = 640 acres

Volume Measure          

1 pint = 2 cups
1 quart = 2 pints
4 quarts = 1 gallon
1 liter = 2.11 pints
1 liter = 0.2642 gallons
1 cubic foot = ft3 = 7.4805 gallons
1 gallon = 0.003485 cubic meters = m3
1 gallon = 0.13346 cubic feet = ft3
1 gallon = 231 cubic inches = in3
1 cubic foot = ft3 = 1,728 cubic inches = in3

Time Measure               

1 minute = 60 seconds
1 hour = 60 minutes
1 day = 24 hours
1 week = 7 days
1 year = 12 months

Force Measure              

1 kilogram = 2.205 pounds
1 kg m/s2 = 0.2248 pounds
1 slug ft/ s2 = 1 pound

Pressure Measure       

1 psi = 2.036 in Hg at 32°F
1 atm = 14.7 psi
1 psi = 2.304 ft of water 

Weight

1 gallon of water = 8.34 pounds
1 cubic foot of water = 62.4 pounds