Q:
What Is the SI Unit for Time?
A:
Quick Answer
The International System of Units (SI) identifies "second" as the base unit for time. It is determined using radiation periods for the cesium 133 atom.
Continue Reading
Credit:
Steve Dunwell
The Image Bank
Getty Images
Full Answer
Development of international units started in the late 18th century. Each SI unit has been established in a distinct, consistent and often complicated way. The international unit of length is the meter, and mass is universally measured in kilograms. Electric currents are measured in amperes, and thermodynamic temperature is gauged using the unit kelvin. Moles are is used to calculate amounts of a substance, and the luminous intensity of a substance is measured in candela.
Learn more about MeasurementsRelated Questions
-
Q:
What Is the Unit for Frequency?
A: The unit for frequency in the International System of Units is hertz, which is abbreviated as Hz. One hertz is defined as a frequency of one cycle per seco... Full Answer >Filed Under: -
Q:
What Is the SI Unit for Mass?
A: Kilogram is the SI base unit for mass. It is equal to the mass of the international prototype of the kilogram, a platinum-iridium standard kept at the Inte... Full Answer >Filed Under: -
Q:
What Are MKS Units?
A: The MKS system of units is the precursor metric system of the contemporary International System of Units, which is commonly referred to as SI, from the Fre... Full Answer >Filed Under: -
Q:
What Are the Two Systems of Measurement?
A: The two major systems of measurement in use in the world are the U.S. Customary System of measurement and the International System of Units, commonly known... Full Answer >Filed Under:
You May Also Like
-
Q:
How Many Megabytes Make One Gigabyte?
-
Q:
What Is 1 Milliliter Equal To?
-
Q:
What Are Some Good Gas Conversion Calculators?
-
Q:
Are Measurement Charts Available That Estimate the Size of a Fuel Oil Tank?
-
Q:
What Is the Average Recovery Time for Aortic Valve Replacement?
-
Q:
In a 25-Meter Pool, How Many Laps Equal a Mile?
