C2
Hex Calculator
Use this free hex calculator for base-16 addition, subtraction, multiplication, division with remainders, hex-to-decimal conversion, decimal-to-hex conversion, hex-to-binary conversion, copy, and history.
Hex arithmetic Decimal conversion Binary output Remainders
A3 + 1FC2
- Decimal answer
- 194
- Binary answer
- 11000010
- Input values
- 163 and 31
Steps
- A3 is 163 in decimal.
- 1F is 31 in decimal.
- Add the decimal values: 163 + 31 = 194.
- Convert the answer back to hex: C2.
How to use the hex calculator
- Enter the first hex number using 0-9 and A-F.
- Choose add, subtract, multiply, or divide.
- Enter the second hex number, then press Calculate hex.
- Review the hex answer, decimal answer, binary answer, steps, conversions, and recent answers.
Common uses
Check hexadecimal addition, subtraction, multiplication, and division problems.
Convert hex values such as 2A or 0xFF into decimal numbers.
Convert whole decimal numbers into hexadecimal output.
Compare hex, decimal, and binary answers while studying number systems or coding examples.
Examples
D5
4 remainder 7
Frequently asked questions
Quick answers about base-16 digits, 0x inputs, arithmetic, conversion, remainders, and privacy.
What is a hexadecimal number?
A hexadecimal number is written in base 16. It uses digits 0-9 plus letters A-F, where A is 10, B is 11, C is 12, D is 13, E is 14, and F is 15.
What can I use the Hex Calculator for?
Use it to add, subtract, multiply, divide, and convert whole hexadecimal numbers. The calculator also shows decimal and binary versions of the answer.
Can I enter 0x before a hex number?
Yes. Optional 0x prefixes are accepted, so 0xFF and FF both work. Spaces and underscores are also ignored for readability.
How does hex division work in this calculator?
Hex division returns a whole-number quotient. If the division is not even, the calculator also shows the remainder in hex, decimal, and binary.
Does the calculator convert decimal to hex?
Yes. The quick conversions panel converts whole decimal numbers into hex and converts hex numbers back into decimal and binary.
Can this calculator handle lowercase hex letters?
Yes. You can enter uppercase or lowercase letters A-F. Results are shown in uppercase for cleaner reading.
Is my hex calculation history private?
Yes. Recent hex answers stay only in the current browser tab while you use the page. They are not sent to a server.