Distance units (meters, centimeters, kilometers, inches, feet, yards, miles). Units of area (m², hectare, km², acre, foot², yard², mile²). Volume units (liters, m³, US gallon, Imperial gallon, US quart, Imperial quart). Units of weight (grams, kilograms, tons, pounds, ounces). Speed units (meters / s, kilometers / h, kilometers / s, miles / h, speed of sound, speed of light, knot knots). Temperature units (degrees Celsius, degrees Fahrenheit, degrees Kelvin). Power units (watts, kilowatts, megawatts, steam horse). Energy units (watt x h, kilowatts x h, megawatt x h, kilojoule, kilocalorie). Fuel consumption units (km / liter, liters / km, liters / 100km, US miles / gallon, US gallons / 100miles, Imperial miles / gallon, Imperial gallons / 100miles).