Hex to decimal converter
Convert a hexadecimal number to decimal. Shows the place value expansion step by step.
Hex
Hexadecimal system
Base 16 uses digits 0–9 and letters A–F (A=10, B=11, C=12, D=13, E=14, F=15).
Conversion
FF = 15×16¹ + 15×16⁰ = 240 + 15 = 255. 1A = 1×16 + 10 = 26.
Common hex values
Colors: #FF0000 = red, #00FF00 = green, #0000FF = blue. 0xFF = 255 (max byte).
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