Millify

Converts long numbers into pretty, human-readable strings.

Before :unamused:	After :tada:
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 12345
12.3K

See millify --help for options.

Programmatically

millify(value: number, options: MillifyOptions)

import millify from "millify";

// For CommonJS: `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", "TB"],
  space: true,
});
// 1.44 MB

Options

Name	Type	Default	Description
precision	number	1	Number of decimal places 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