---
tag: 0TK9MCFHBW
kind: concept
name: Cylindrical coordinates
aliases: [cylindrical-coordinate-system]
msc: [51N20]
uses: [0BSW4T7THS]
sources:
  - url: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system
    locator: Definition
same_as:
  wikidata: Q211851
  wikipedia: Cylindrical coordinate system
---

## Summary

Cylindrical coordinates describe a point of space by the [[polar coordinates|0BSW4T7THS]] of its projection to the $xy$-plane and by its height $z$ above that plane.
They simplify problems with symmetry about an axis, such as integrals over cylinders and cones.