# Number Converter

Convert numbers between different formats (decimal, binary, hexadecimal, octal)

> Canonical page: https://elysiatools.com/en/tools/number-converter

- **Category:** Math & Numbers

- **Keywords:** number, converter, binary, hexadecimal, octal, decimal, number system, base converter

## Overview

The Number Converter is a versatile utility designed to seamlessly translate numeric values between decimal, binary, hexadecimal, and octal systems. Whether you are working on low-level programming, digital logic, or general mathematical calculations, this tool provides accurate and instant base conversions.

## Inputs

- **Number Input** (text): Enter number to convert...
- **Input Format** (select)
- **Output Format** (select)

## When to use

- When you need to convert memory addresses or color codes from hexadecimal to decimal.
- When working with binary data streams and needing to verify their decimal or hex equivalents.
- When performing cross-base arithmetic or verifying calculations in different number systems.

## How it works

- Enter the number you wish to convert into the input field.
- Select the current base of your number from the 'Input Format' dropdown.
- Choose your desired target base from the 'Output Format' dropdown.
- View the converted result instantly on the screen.

## Use cases

- Software developers debugging low-level hardware registers or memory dumps.
- Students learning computer science fundamentals and digital logic design.
- Web designers converting CSS color hex codes to RGB decimal values.

## Frequently asked questions

### Which number systems are supported?

The tool supports Decimal (Base 10), Binary (Base 2), Hexadecimal (Base 16), and Octal (Base 8).

### Is there a limit to the size of the number I can convert?

The tool handles standard numeric inputs; however, extremely large numbers may be subject to browser-based floating-point precision limits.

### Can I convert from binary to hexadecimal directly?

Yes, simply set the input format to Binary and the output format to Hexadecimal.

### Does this tool work offline?

Once the page is loaded, the conversion logic runs locally in your browser, allowing for offline use.

### Are negative numbers supported?

Yes, the converter supports negative integers across all available base formats.

## Related tools

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## Samples

- [Web Image Processing Python Samples](https://elysiatools.com/en/samples/web-image-processing-python): Web Python image processing examples using PIL/Pillow including reading, saving, resizing, and format conversion
- [Android Image Processing Java Samples](https://elysiatools.com/en/samples/android-image-processing-java): Android Java image processing examples including reading/saving images, scaling, and format conversion
- [Android Image Processing Kotlin Samples](https://elysiatools.com/en/samples/android-image-processing-kotlin): Android Kotlin image processing examples including reading/saving images, scaling, and format conversion
- [Web Image Processing Rust Samples](https://elysiatools.com/en/samples/web-image-processing-rust): Web Rust image processing examples including image read/save, scaling, and format conversion

## Related content

- [Math and Number Conversion Workflow](https://elysiatools.com/en/hubs/math-&-numbers-convert): Convert measurements, number bases, fractions, scientific notation, Roman numerals, and byte or bit values with a clear precision check.