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 |