README.md

Paper size detector

Basic paper size detector.

Install

npm install guess-paper-size

Use

// import guess from 'guess-paper-size';
var guess = require('guess-paper-size');

var width = 210; // mm
var height = 297; // mm

var paper = guess(width, height);
if (paper) {
  console.log('Detected ' + paper.size + ' paper, ' + paper.layout);
}

Test me in your browser using RunKit!

Return value

When found, JavaScript object returned:

• size - format name (e.g. Letter, A4, B3)
• layout - landscape or portrait

When not found, return null

Known paper sizes

It's supposed to recognize all page sizes used by PDFKit:

• International formats: 4A0; 2A0; A0...A10; B0...B10; C0...C10; RA0...RA4; SRA0...SRA4
• US formats: Executive, Folio, Letter, Legal, Tabloid

Links

• ISO 216 - Wikipedia
• Paper size - Wikipedia
• guess-paper-size at npmjs.com
• https://www.npmjs.com/package/paper-size - get paper dimensions by name