Mesures

longueur

1 inch
= 2.54 cm

1 int. nautical mile
= 1.853 km

12 inches =

1 foot
= 30.48 cm

1760 yards =

1 mile
= 1.609 km

3 feet =

1 yard
= 0.914 m.

Centimeters x 0.3937 =

inches
x 2.54 = centimeters

Kilometers x 0.3959 =

nautical miles
x 1.8532 = kilometers

Kilometers x 0.62137 =

miles
x 1.609 = kilometers

Meters x 1.094 =

yards
x 0.9144 = meters

Meters x 3.281 =

feet
x 0.3048 = meters

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 0.984 =

gross tons
x 1,016 = metric tons

Metric tons x 1.102 =

short tons
x 0.9072 = metric tons

Surface

1 sq inch
= 6.452 cm2

4840 yd2 =

1 acre
= 4046.86 m2

640 acres =

1 sq mile
= 2.590 km2

9 ft2 =

1 sq yard
= 0.8361 m2

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)

Temperatures

100 °C

÷5 = 20 x 9 = 180 + 32=

212 °F

212 °F

-32 = 180 ÷ 9 = 20 x 5 =

100 °C

Celsius

÷ 5 x 9 + 32 =

° Fahrenheit

Fahrenheit

-32 ÷ 9 x 5

° Celsius

Volume/Capacite

1 Imp. gallon
= 4.546 l.

0.5 quart =

1 US liquid pint
= 0.473 litre

1728 in3 =

1 cu.foot
= 28.317 dm3 ou 0.028 m3

2 pints =

1 US quart
= 0.946 l.

4 quart =

1 US gallon
= 3.785 l.

Cubic meters x 1.308 =

cubic yards
x 0.765 = cubic meters (m3)

Cubic meters x 35.3156 =

cubic feet
x 0.0283 = cubic meters (m3)