Binary, decimal and hex converter

Enter your values. The answer and the full worked solution update as you type.

Result

Decimal2024

Binary11111101000

Hexadecimal7E8

Octal3750

Step-by-step solution

To decimal

2·10³ + 0·10² + 2·10¹ + 4·10⁰ = 2024

From decimal

Divide by the new base repeatedly and read the remainders from bottom to top.

Key formulas

Place values: binary 2^k, octal 8^k, hex 16^k
To decimal: Σ d_k·b^k
From decimal: divide by the base, read the remainders bottom-up
Hex ↔ binary: one hex digit = 4 bits
Two’s complement: invert the bits and add 1

Practise Number systems

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