Hexadecimal to Decimal Converter

Convert hexadecimal numbers (base-16) to decimal numbers (base-10) with detailed positional calculation

Use digits 0-9 and letters A-F (case insensitive)

How to Convert Hexadecimal to Decimal

1

Write down the hexadecimal number

2

Assign powers of 16 to each digit, starting from the right (16⁰, 16¹, 16², ...)

3

Convert each hexadecimal digit to its decimal equivalent

4

Multiply each digit by its corresponding power of 16 and sum the results

Example: Convert 1A3₁₆ to Decimal

1×16² + A×16¹ + 3×16⁰

= 1×256 + 10×16 + 3×1

= 256 + 160 + 3

= 419₁₀

Hexadecimal to Decimal Conversion Table

Hex Digit Decimal Value Hex Digit Decimal Value
0088
1199
22A10
33B11
44C12
55D13
66E14
77F15

Common Hexadecimal Values

FF 255
100 256
FFF 4095
1000 4096
FFFF 65535
10000 65536

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