Hex Calculator

Add, subtract, multiply, divide, and run bitwise operations on hexadecimal numbers. See instant outputs in hex, decimal, and binary.

Handle hex math without pen and paper

Paste your hex values, select an operation, and instantly see the result in every base. Use presets to explore color blending, bitmasking, or large integer math.

Hex inputs

Only 0-9 and A-F are allowed. Leading zeros are fine.

First number

Second number

Choose operation

Pad result to 8 hex digits

Group digits

Add

A4F + 1B3

0000 0C02

Hex

Decimal

Binary

Bit insights

Bit length: 12
Hex grouping: 0000 0C02
Binary grouping: 1100 0000 0010

Hex calculator tips

Grouping makes long results easier to read; toggle it off for raw output.
Use bitwise operations for masks or toggling specific bits when working with registers.
Division truncates decimals—capture a remainder for precise results.

Why this tool helps

Perfect for embedded developers, cybersecurity analysts, and anyone testing hexadecimal math by hand. Combine it with the binary calculator for full control over low-level operations.

How this Hex Calculator works

This hexadecimal arithmetic tool performs mathematical operations (addition, subtraction, multiplication, division) on base-16 numbers, essential for low-level programming, memory address calculations, color code manipulation, or computer architecture understanding. Users input hex values with or without 0x prefix, select operations, and receive results in hexadecimal, decimal, binary, and octal bases simultaneously enabling cross-base verification. The calculator handles both unsigned and signed integer representations, supports bitwise operations (AND, OR, XOR, NOT, bit shifts), and displays step-by-step calculation breakdowns for educational transparency. Common uses include computing memory offsets in assembly programming, manipulating RGB color codes through component addition, debugging hardware register values, or teaching hexadecimal number system fundamentals. Advanced features support multi-operand expressions, conversion between signed/unsigned interpretations, and historical calculation logs enabling reference to previous results in complex multi-step workflows.

How to Use

Enter hex values

Type or paste your hexadecimal numbers. Inputs support uppercase or lowercase 0-9 A-F.

Choose an operation

Select math (+, −, ×, ÷) or bitwise (AND, OR, XOR) operations.

Review output

See the result in hex, decimal, and binary with grouping, remainder, and history.

Example Usage

Add two hex numbers and instantly see the result in every base.

Input

A4F + 1B3

Output

Result (hex): C02 Decimal: 3074 Binary: 1100 0000 0010

Frequently Asked Questions

What does a Hex Calculator do?

A hex calculator helps you work with hexadecimal (base-16) values. You can convert between hex, decimal, and binary, and often do arithmetic like add, subtract, multiply, and divide.

Where is hexadecimal used in real projects?

Hex shows up in memory addresses, low-level debugging, color codes (like #FF9900), bitmasks/flags, and encoded IDs. It is a common format in programming and systems work.

Do I need to type 0x before a hex number?

Usually no. Many tools accept plain hex (like FF) and also accept 0xFF. If you get an error, remove prefixes, spaces, and commas and try again.

Can the calculator handle negative hex values?

Some tools support signed values using two's complement for a selected bit size (like 8, 16, 32 bits). If your tool includes a bit-length option, set it before interpreting negatives.

Is this Hex Calculator secure?

Yes. It runs 100% client-side, so your inputs are processed locally in your browser and never uploaded to a server.

Related Tools

The Hex Calculator is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.

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