hex2dec

What is hex2dec?

The hex2dec npm package provides utilities for converting hexadecimal numbers to decimal and vice versa. It is useful for applications that need to handle numerical data in different bases, particularly in fields like computer science, electronics, and data encoding.

What are hex2dec's main functionalities?

Hexadecimal to Decimal Conversion

This feature allows you to convert a hexadecimal string to its decimal equivalent. In the example, the hexadecimal '1A' is converted to the decimal number 26.

const hex2dec = require('hex2dec');
const decimal = hex2dec.hexToDec('1A');
console.log(decimal); // Output: 26

Decimal to Hexadecimal Conversion

This feature allows you to convert a decimal number to its hexadecimal string equivalent. In the example, the decimal number 26 is converted to the hexadecimal '1A'.

const hex2dec = require('hex2dec');
const hex = hex2dec.decToHex(26);
console.log(hex); // Output: '1A'

Other packages similar to hex2dec

big-integer

The big-integer package provides arbitrary-precision arithmetic for integers, including base conversion functionalities. It is more versatile than hex2dec as it supports a wider range of mathematical operations and can handle very large integers.

bignumber.js

The bignumber.js package offers arbitrary-precision decimal and non-decimal arithmetic. It includes methods for base conversion and is suitable for applications requiring high precision and large number handling, making it more comprehensive than hex2dec.

convert-hex

The convert-hex package provides utilities for converting between hexadecimal strings and byte arrays. While it focuses on a different aspect of conversion, it can be used in conjunction with other packages to achieve similar results to hex2dec.

README

hex2dec

Arbitrary precision decimal↔️hexadecimal converter, from a blog post by Dan Vanderkam.

Usage

npm install --save hex2dec

var converter = require('hex2dec');

var dec = converter.hexToDec('0xFA'); // 250
var hex = converter.decToHex('250'); // '0xfa'
var hexString = converter.decToHex('250', { prefix: false }); // 'fa'

Why use hex2dec

(250).toString(16) === 'fa' and 250 === 0xFA both work just fine, and will provide enough precision for most uses. For large (>64-bit) numbers, however, precision is lost. This utility provides a higher-precision alternative.

License

This code may be used under the Apache 2 license.