mikolalysenko / to-px

Convert any CSS unit to logical pixels (aka "px")

to-px

Get the scale factor to convert any CSS unit to px (logical pixel units).

Example

var toPX = require('to-px')

console.log(toPX('1em'))
console.log(toPX('.23vh'))
console.log(toPX('in'))

Install

Note that this module only works within the DOM.

npm i to-px

API

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 2in
• element 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.

License

(c) 2015 Mikola Lysenko. MIT License