Dimensional formula of current density

Current density
[L−2 A]
Written in full: [M⁰ L⁻² T⁰ A¹ K⁰]

How to derive it

Current density = Current ÷ Area

Put in the dimensions of each part: [A] ÷ [L²] = [L⁻² A].

mass (M)
0
length (L)
-2
time (T)
0
current (A)
1
temperature (K)
0

SI unit

The SI unit of current density is A/m².

Same dimensions as current density

None of the other quantities on this site share these exact dimensions.

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