8bu / millify

Convert long numbers to pretty, human-readable strings

Millify

Converts long numbers into pretty, human-readable strings.

Before 😒	After 🎉
2000	'2K'
10000	'10k'
42500	'42.5 kg'
1250000	'1.25 MB'
2700000000	'2.7 bil'

Install

Get it on npm:

npm install millify

Usage

Command line

millify 10000
# 10K

See millify --help for options.

Programmatically

millify(number, options)

const millify = require('millify')

millify(2500)
// 2.5K

millify(1024000, {
  precision: 3,
  lowercase: true
})
// 1.024m

millify(39500, {
  precision: 2,  
  decimalSeparator: ','
})
// 3,95K

millify(1440000, {
  units: ['B', 'KB', 'MB', 'GB'],
  space: true,
})
// 1.44 MB

Options

Name	Type	Default	Description
precision	number	2	Number of significant figures to use
decimalSeparator	string	'.'	Desired decimal separator (e.g. decimal point or comma)
lowercase	boolean	false	Use lowercase abbreviations
space	boolean	false	Add a space between number and abbreviation
units	Array<string>	['', 'K', 'M', 'B', 'T', 'P', 'E']	Unit abbreviations