Ell in LaTeX

The LaTeX command for ell (ℓ) is \ell — script l.

\ell

Misc Math · Unicode ℓ (U+2113) · no package needed

How to type Ell

Write \ell inside math mode — that is, between $…$ for inline math or in a \[ … \] / equation block for display math. It is part of core LaTeX math, so no extra package is required.

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FAQ

How do you write ell (ℓ) in LaTeX?

Use \ell in math mode — it needs no extra package. For example, $\ell$.

Which package provides \ell?

None — \ell is built into LaTeX's math mode, so no extra package is required.