The to() method of the CSSNumericValue interface converts a numeric value from one unit to another. 
 The to() method of the CSSNumericValue interface converts a numeric value from one unit to another. 
js
to(unit)
unitThe unit to which you want to convert.
A CSSMathSum.
SyntaxError DOMException
Thrown if an invalid type was passed to the method.
TypeErrorThrown if the passed values cannot be summed.
js
// Prints "0.608542cm" console.log(CSS.px("23").to("cm").toString());
| Specification | 
|---|
| CSS Typed OM Level 1  # dom-cssnumericvalue-to  | 
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
to | 
66 | 79 | No | No | 53 | 16.4 | 66 | 66 | No | 47 | 16.4 | 9.0 | 
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    https://developer.mozilla.org/en-US/docs/Web/API/CSSNumericValue/to