Work out hexadecimal to decimal instantly with clear inputs, formula shown and shareable results.
Hexadecimal place values are powers of 16, with the letters A to F standing for 10 to 15. The value is Σ digit × 16^position counting from the right.
Hex to decimal
value = Σ digitₖ × 16ᵏ
1×4096 + 10×256 + 2×16 + 15 = 6703.
Colour codes such as #1A2F3C, memory addresses, MAC addresses and byte dumps all use it.