Convert between Cartesian and cylindrical coordinates in 3D space.
Last updated: June 2026 | By Patchworkr Team
Enter x, y, and z as real numbers.
Cylindrical coordinates describe a point with rho, phi, and z.
Rho is always non-negative; phi wraps around the z-axis.
1. Choose the conversion direction.
2. Enter the coordinates in a consistent angle unit.
3. Read the live conversion and angle normalization.
For Cartesian point (5, 5, 10):
rho = sqrt(5^2 + 5^2) = 7.071...
phi = 45 deg
No. Rho is a radial distance from the z-axis.
Yes. Z can be any real number.
So the angle stays in a standard wraparound range.
Polar coordinates are the 2D version of the same idea.
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