What input format should I use?

Enter hex digits only (0-9, A-F). Do not include the 0x prefix. Both uppercase and lowercase are accepted.

How are negative results shown?

Negative results are displayed with a minus sign in both hex and decimal representations.

Is hex division exact?

Division uses integer (floor) arithmetic. Remainders are truncated. If you need a remainder, subtract the quotient multiplied by the divisor from the dividend.

Hex Calculator

Perform arithmetic on hexadecimal numbers. See results in hex and decimal.

A (hex)

Operator

B (hex)

0xFF + 0x1A = 0x119

Hexadecimal

0x119

Decimal

281

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FAQ

What input format should I use?: Enter hex digits only (0-9, A-F). Do not include the 0x prefix. Both uppercase and lowercase are accepted.
How are negative results shown?: Negative results are displayed with a minus sign in both hex and decimal representations.
Is hex division exact?: Division uses integer (floor) arithmetic. Remainders are truncated. If you need a remainder, subtract the quotient multiplied by the divisor from the dividend.

Hex Calculator lets you add, subtract, multiply, or divide two hexadecimal numbers. Results are shown in both hexadecimal and decimal. Accepts both uppercase and lowercase hex input (e.g. FF or ff). Handles negative results for subtraction.