Convert any CSS unit to logical pixels ("px")
npm install to-pxto-px
=====
Get the scale factor to convert any CSS unit to px (logical pixel units).

``javascript
var toPX = require('to-px')
console.log(toPX('1em'))
console.log(toPX('.23vh'))
console.log(toPX('in'))
`
Note that this module only works within the DOM.
``
npm i to-px
#### var scaleFactor = require('to-px')(unit[, element])
Computes the number of pixels in the unit string.
* unit is a CSS unit type or a number followed by CSS unit, eg vh or 2inelement
* is an optional element in which the unit is computed (default is document.body)
Returns The number of pixels in the unit
Note Conversions for %` are not supported since they are context dependent.