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Common Unit Conversion Table

Common Unit Conversion Table. You can also download a PDF version.

SYMBOL Unit Times (x) Convert to SYMBOL
LENGTH
in inches 25.4 millimeters mm
ft feet 0.305 meters m
yd yards 0.914 meters m
mi miles 1.61 kilometers km
AREA
in² square inches 645.2 square millimeters mm²
ft² square feet 0.093 square meters
yd² square yard 0.836 square meters
ac acres 0.405 hectares ha
mi² square miles 2.59 square kilometers km²
VOLUME
fl oz fluid ounces 29.57 milliliters mL
qt quart 0.946 liters L
gal gallons 3.785 liters L
ft³ cubic feet 0.028 cubic meters
yd³ cubic yards 0.765 cubic meters
MASS
oz ounces 28.35 grams g
lb pounds 0.454 kilograms kg
TEMPERATURE
° F Fahrenheit ( ° F-32) x 5 / 9 Celsius ° C
FORCE and PRESSURE
lbf pound force 4.45 newtons N
lbf/in² (psi) pound per square inch 6.89 kilopascals kPa
  • 1 ft = 12 in
  • 1 yd = 3 ft
  • 1 mi = 5280 ft
  • 1 ft² = 144 in²
  • 1 ac = 4840 yd²
  • 1 qt = 32 oz
  • 1 gal = 4 qt
  • 1 lb = 16 oz