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@nickfaughey/format-si-prefix

v0.4.5

Published

Format and unformat numbers with SI prefixes

Downloads

18

Vulnerabilities

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Links

Git

Maintainers

nickfaugheynickfaughey

Keywords

parseformatsiprefixprefixesunitunitsyottazettaexapetateragigamegakilomillimicronanopicofemtoattozeptoyocto

Readme

format-si-prefix

npm David David

Format and unformat numbers with SI prefixes.

API

formatSI()

import {formatSI} from 'format-si-prefix';
const string = formatSI(number, options);     // optional `options` object

Options:

  • space: (default false) adds a space between the number and prefix (ex. 1.2 k)
  • sign: (default false) prepends a plus sign if the number is positive (ex. +1.2k)
  • suffix: appends a string to the formatted number (ex. formatSI(1200, {suffix: 'Wh'}) => 1.2kWh)

| in | out | | ------------- | -------:| | ... | ... | | 0.000111111 | 111µ | | 0.00111 | 1.11m | | 0.0111 | 11.1m | | 0.111 | 111m | | 1 | 1 | | 11 | 11 | | 111 | 111 | | 1111 | 1.11k | | 11111 | 11.1k | | 111111 | 111k | | 1111111 | 1.11M | | ... | ... |

unformatSI()

import {unformatSI} from 'format-si-prefix';
const number = unformatSI(string);

| in | out | | ------- | ------------: | | ... | ... | | 111µ | 0.000111 | | 1.11m | 0.00111 | | 11.1m | 0.0111 | | 111m | 0.111 | | 1 | 1 | | 11 | 11 | | 111 | 111 | | 1.11k | 1110 | | 11.1k | 11100 | | 111k | 111000 | | 1.11M | 1110000 | | ... | ... | | 12.345M | 12345000 | | 12.345 | 12.345 | | 1234567 | 1234567 | | 123456M | 123456000000 | | 1000.1m | 1.0001 | | ... | ... |

License

MIT