Number to Words Converter

This tiny library (🪶 1.4 KB) converts numbers to English words, supporting both general numeric values and monetary values with customizable currency and minor units.

👀 DEMO

CDN

• unpkg

🏗️ Install

🎉 NPM

npm i @qit.tools/number-to-words

🧁 Bun

bun add @qit.tools/number-to-words

🌟 PNPM

pnpm add @qit.tools/number-to-words

🧶 Yarn

yarn add @qit.tools/number-to-words

🎓 How to use

Importing the Function

import { numberToWords } from "@qit.tools/number-to-words";

Basic Usage

const words = numberToWords(123); 
console.log(words); // "one hundred twenty-three"

Handling Decimal Numbers

const words = numberToWords(123.45); 
console.log(words); // "one hundred twenty-three point four five"

Formatting as Currency

const options = {
  money: {
    currency: ["dollar", "dollars"],
    minor: ["cent", "cents"]
  }
};

const words = numberToWords(123.45, options); 
console.log(words); // "one hundred twenty-three dollars and forty-five cents"

📝 Function Signature

numberToWords

Converts a number to its corresponding words representation.

Parameters

• num (number): The number to be converted.
• options (Options, optional): An optional object to specify formatting options.

Returns

• string: The words representation of the number.

Options

MoneyOptions

type MoneyOptions = {
  currency: [string, string];
  minor?: [string, string];
};

• currency (required): An array of two strings representing the singular and plural forms of the currency.
• minor (optional): An array of two strings representing the singular and plural forms of the minor currency unit.

Options

type Options = {
  money?: MoneyOptions;
};

• money (optional): An object specifying the money formatting options.

📄 Example Code

Here is an example of how you can use the library in your project:

import { numberToWords } from "number-to-words";

const number = 1234;
const words = numberToWords(number);
console.log(words); // "one thousand two hundred thirty-four"

const moneyOptions = {
  money: {
    currency: ["euro", "euros"],
    minor: ["cent", "cents"]
  }
};

const moneyWords = numberToWords(1234.56, moneyOptions);
console.log(moneyWords); // "one thousand two hundred thirty-four euros and fifty-six cents"

License

MIT

Contributions

Contributions are welcome! Please open an issue or submit a pull request on GitHub.

Author

Developed by Qit.tools.

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Feel free to explore the source code and contribute to this library on GitHub.