US system, or imperial system.
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Customary Units
The United States customary system (also called American system or, sometimes, "English units") is the most commonly used system of measurement in the United States.
In the SI system, the basic units aremetre : lengthkilogram : masssecond : timeampere : electric currentkelvin : thermodynamic temperaturemole : amount of substancecandela : luminous intensity.
== Regular?== There is no system of units known as "Regular." But 150 ml equals about 5 ounces [US, liquid].
The units or measurement of temperature are in degrees. You can measure degrees in either Fahrenheit, Celsius, or Kelvin.In the US we measure in Fahrenheit degrees. In the metric system, you also use Celsius degrees. However, the SI unit of temperature is called the kelvin. It depends on where you are and what kind of temperatures you are measuring.oC,oF and K (statements of Kelvin temperatures do NOT use the degree mark)