Enter your First Hex Number and Second Hex Number, choose an Operation (add, subtract, multiply, or divide), and the Hex Calculator gives you the Hexadecimal Result alongside the equivalent Decimal and Binary Results — toggle Group Digits to keep those long strings readable.
Hexadecimal Result
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Decimal Result
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Binary Result
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Hexadecimal is widely used in computer science for memory addresses, color codes in web design (#FF0000), machine code representation, and debugging. It provides a more compact way to represent binary data.
The hex calculator converts hexadecimal inputs to decimal, performs the arithmetic operation, then converts the result back to hexadecimal. It also shows binary and decimal equivalents for reference.
Hexadecimal is more compact than binary - each hex digit represents 4 binary digits. This makes it easier to read and write large binary numbers, which is why programmers prefer hex for memory addresses and data representation.
0xFF is hexadecimal notation for the decimal number 255. The '0x' prefix indicates hexadecimal format, and 'FF' represents 15×16¹ + 15×16⁰ = 240 + 15 = 255 in decimal.
Multiply each hex digit by 16 raised to its position power (starting from 0 on the right), then sum the results. For example: A3 = 10×16¹ + 3×16⁰ = 160 + 3 = 163 decimal.
Common hex values include FF (255), 00 (0), 80 (128), and powers of 2 like 10 (16), 100 (256), 1000 (4096). Memory addresses often use hex like 0x1000 or 0xFFFF.
Hex calculators help developers work with memory addresses, bit operations, and data analysis. They're essential for calculating offsets, verifying checksums, and understanding low-level data structures.
Yes, hexadecimal accepts both uppercase (A-F) and lowercase (a-f) letters. Both 'FF' and 'ff' represent the same value (255 in decimal). Most calculators accept either format.