Is there a "No Units" (i.e., dimensionless) unit?

I would like to be able to call the Quantity function with a null unit so that it returns the original dimensionless value. For example,

Quantity[3.0,"NoUnits"]

would return 3.0. Is there a dimensionless unit?

Answer

I believe you can use "DimensionlessUnit" to get the desired result:

Quantity[3, "DimensionlessUnit"]

(note this is the unit produced by QuantityUnit on a dimensionless value):

QuantityUnit[3]

"DimensionlessUnit"

Comments

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