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The <angle> CSS data type represents an angle value expressed in degrees, gradians, radians, or turns. It is used, for example, in <gradient>s and in some transform functions.

Syntax

The <angle> data type consists of a <number> followed by one of the units listed below. As with all dimensions, there is no space between the unit literal and the number. The angle unit is optional after the number 0.

Optionally, it may be preceded by a single + or - sign. Positive numbers represent clockwise angles, while negative numbers represent counterclockwise angles. For static properties of a given unit, any angle can be represented by various equivilent values. For example, 90deg equals -270deg, and 1turn equals 4turn. For dynamic properties, like when applying an animation or transition, the effect will nevertheless be different.

Units

deg
Represents an angle in degrees. One full circle is 360deg. Examples: 0deg, 90deg, 14.23deg.
grad
Represents an angle in gradians. One full circle is 400grad. Examples: 0grad, 100grad, 38.8grad.
rad
Represents an angle in radians. One full circle is 2π radians which approximates to 6.2832rad. 1rad is 180/π degrees. Examples: 0rad, 1.0708rad, 6.2832rad.
turn
Represents an angle in a number of turns. One full circle is 1turn. Examples: 0turn, 0.25turn, 1.2turn.

Examples

Angle90.png A right angle: 90deg = 100grad = 0.25turn ≈ 1.5708rad
Angle180.png A flat angle: 180deg = 200grad = 0.5turn ≈ 3.1416rad
AngleMinus90.png A right angle (counterclockwise): -90deg = -100grad = -0.25turn ≈ -1.5708rad
Angle0.png A null angle: 0 = 0deg = 0grad = 0turn = 0rad

Specifications

Specification Status Comment
CSS Values and Units Module Level 3
The definition of '<angle>' in that specification.
Candidate Recommendation Initial definition.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic supportChrome Full support 2Edge Full support 12Firefox Full support 3.6IE Full support 9Opera Full support YesSafari Full support 4WebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support 4Opera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes
degChrome Full support 2Edge Full support 12Firefox Full support 3.6IE Full support 9Opera Full support YesSafari Full support 4WebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support 4Opera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes
gradChrome Full support 2Edge Full support 12Firefox Full support 3.6IE Full support 9Opera Full support YesSafari Full support 4WebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support 4Opera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes
radChrome Full support 2Edge Full support 12Firefox Full support 3.6IE Full support 9Opera Full support YesSafari Full support 4WebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support 4Opera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yes
turnChrome Full support YesEdge Full support 12Firefox Full support 13IE Full support 9Opera Full support YesSafari Full support 10WebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support 14Opera Android Full support YesSafari iOS Full support 10Samsung Internet Android Full support Yes

Legend

Full support  
Full support