loading tool…
The LaTeX command for left right vert is \left| \right| — auto-sized absolute value.
\left| \right|Write \left| \right| 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.
Prefer to see it live? Paste it into the LaTeX preview and it renders as you type — no compiler, no signup.
\left( \right)\left[ \right]\left\{ \right\}\langle \rangle\lfloor \rfloor\lceil \rceil\| x \|| x |\lvert x \rvert\lVert x \rVertSearch all 380+ LaTeX symbols →
Use \left| \right| in math mode — it needs no extra package. For example, $\left| \right|$.
None — \left| \right| is built into LaTeX's math mode, so no extra package is required.