Mesures

  • Indices de longueur, surface, volume et capacité, poids, température 

  • Longueur
      1 inch = 2.54 cm
    12 inches = 1 foot = 30.48 cm
    3 feet = 1 yard = 0.914 m.
    1760 yards = 1 mile = 1.609 km
      1 int. nautical mile = 1.853 km
    Conversion
    Centimeters x 0.3937 = inches x 2.54 = centimeters
    Meters x 3.281 = feet x 0.3048 = meters
    Meters x 1.094 = yards x 0.9144 = meters
    Kilometers x 0.62137 = miles x 1.609 = kilometers
    Kilometers x 0.3959 = nautical miles x 1.8532 = kilometers
    Surface
      1 sq inch = 6.452 cm2
    9 ft2 = 1 sq yard = 0.8361 m2
    4840 yd2 = 1 acre = 4046.86 m2
    640 acres = 1 sq mile = 2.590 km2
    Conversion
    Sq centimeters x 0.155 = sq. inches x 6.452 = sq. centimeters (cm2)
    Sq meters x 10.764 = sq feet x 0.093 = sq. meters (m2)
    Sq. meters x 1.196 = sq yards x 0.836 = sq. meters (m2)
    Volume/Capacité
    1728 in3 = 1 cu.foot = 28.317 dm3 ou 0.028 m3
    0.5 quart = 1 US liquid pint = 0.473 litre
    2 pints = 1 US quart = 0.946 l.
    4 quart = 1 US gallon = 3.785 l.
      1 Imp. gallon = 4.546 l.
    Conversion
    Cubic meters x 35.3156 = cubic feet x 0.0283 = cubic meters (m3)
    Cubic meters x 1.308 = cubic yards x 0.765 = cubic meters (m3)
    Poids
      1 ounce = 28.3495 gr.
    16 oz = 1 pound (lb) = 453.59 gr.
    2000 lbs = 1 short ton = 907.185 kg.
    2240 lbs = 1 long ton = 1016.05 kg.
     
    Kilogrammes x 2.20462 = pounds (lbs) x 0.45359 = kilogrammes
    Metric tons x 1.102 = short tons x 0.9072 = metric tons
    Metric tons x 0.984 = gross tons x 1,016 = metric tons
    Températures
    Celsius ÷ 5 x 9 + 32 = ° Fahrenheit
    Fahrenheit -32 ÷ 9 x 5 ° Celsius
    Exemple
    100 °C ÷5 = 20 x 9 = 180 + 32= 212 °F
    212 °F -32 = 180 ÷ 9 = 20 x 5 = 100 °C