Base Converter

Convert between Binary / Octal / Decimal / Hex. Supports negatives and fractions (up to 16 fractional digits). Includes step-by-step explanation.

Number

Prefixes like 0b, 0o, 0x are accepted but optional.

From Base

Explain Target

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Choose an “Explain Target” and press Convert to see each step.

Tip: For fractional parts, conversions are shown up to 16 digits; repeating fractions may be rounded.