CSS path-length Property Reference

The CSS path-length property is a standard property in Scalable Vector Graphics. Review its formal syntax, computed behavior, and practical declarations.

Updated 2026-08-12

path-length overview

The CSS path-length property is a standard property in Scalable Vector Graphics. Review its formal syntax, computed behavior, and practical declarations.

The property is not inherited by default. Use an explicit global keyword when inheritance is intended.

Syntax and formal definition

path-length formal syntax

Field	Value
Formal syntax	none \| <length> [0,∞]
Initial value	none
Applies to	pathCircleEllipseLinePolygonPolylineRect
Inherited	No
Percentages	no
Computed value	noneOrAbsoluteLength
Animation type	byComputedValue
Media	visual
Specification group	Scalable Vector Graphics
Status	Standard

Practical examples

These declarations demonstrate valid ways to set path-length. The initial and inherit global keywords remain available even when a property-specific value is preferable.

path-length live example

CSS

.reset-example {
  path-length: initial;
}

.inherit-example {
  path-length: inherit;
}

@supports (path-length: initial) {
  .supported {
    path-length: initial;
  }
}