2C × A in Hex
Use the calculator below to try your own hexadecimal numbers.
Result (Hex)
1B8
Example
2C (44 in decimal) × A (10 in decimal) = 1B8 (440 in decimal).
Result (Decimal)
440
2C = 44, A = 10
decimal equivalents
Place value of each digit in 2C
What Is the Hexadecimal Number System?
Hexadecimal (hex) is a base-16 number system that uses sixteen symbols: 0-9 for the first ten values, then A-F to represent 10 through 15. Each position represents a power of 16, making hex far more compact than binary while still mapping cleanly onto it — every single hex digit represents exactly four binary digits (bits).
Hex is widely used in computing to represent memory addresses, color codes (like #FF5733 in web design), and raw byte data, because it's much easier for humans to read and write than the equivalent long strings of binary digits.
How Hex Arithmetic Works
This calculator converts each hexadecimal number to decimal, performs the requested arithmetic, and converts the result back to hex. The same logical rules as decimal arithmetic apply — carrying, borrowing, and remainders all work the same way, just across sixteen possible digit values instead of ten.
Converting Hex to Decimal
Each hex digit is multiplied by its place value — a power of 16 based on position, counting from 0 on the rightmost digit — and the results are summed. For example, 1A in hex is (1 × 16) + (10 × 1) = 26 in decimal, since A represents 10.
Why A Through F?
Because hexadecimal needs sixteen distinct symbols but the familiar decimal digits only cover 0 through 9, the remaining six values (10 through 15) borrow the letters A through F. This convention has been standard since hexadecimal's early adoption in computing.
Hex as a Binary Shorthand
Because 16 is a power of 2 (2⁴), every hex digit corresponds exactly to a 4-bit group in binary, with no rounding or remainder. This clean mapping is why hex is the preferred human-readable format for viewing raw binary data, memory dumps, and color values.
Example — Your Current Inputs
2C (44 in decimal) × A (10 in decimal) = 1B8 (440 in decimal).
Additional Example — Adding FF + 1
FF (255 in decimal) plus 1 (1 in decimal) equals 100 (256 in decimal). This is the hex equivalent of adding 1 to 99 in decimal — every digit rolls over and carries into a new, higher digit.
About These Parameters
- First & Second Hex Number
- Enter each number using digits 0-9 and letters A-F (case doesn't matter). Leading zeros are ignored in the digit breakdown chart but don't affect the arithmetic result.
- Operation
- Division shows both the hex result and, if the numbers don't divide evenly, the remainder — the same way integer division works in decimal.
Frequently Asked Questions
What is FF in decimal?
FF in hex equals 255 in decimal: (15 × 16) + (15 × 1) = 255 — the maximum value a single byte (8 bits) can hold.
Does case matter for hex letters?
No — "1a" and "1A" represent the same value. This calculator normalizes input to uppercase for display.
Why do web color codes use hex?
A color code like #FF5733 packs three 1-byte (00-FF) red, green, and blue values into a compact 6-character string — far shorter than writing the equivalent 24-digit binary string or three separate decimal numbers.