🔬 IEEE-754 Float Inspector

Convert between floats and their bit patterns; inspect sign, exponent and mantissa.

Precision

Decimal value e.g. -0.5, 1e-9, Infinity, NaN.

Hex bit pattern Raw IEEE-754 bytes.

Bit fields

Sign

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Exponent (biased)

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Exponent (actual)

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Mantissa

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Values

Stored value

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Hex

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Class

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Notes

Edit the decimal value or the hex pattern; the other updates instantly. The colored bit string shows the sign, exponent and mantissa fields. Note that single precision cannot represent every decimal exactly, so the "stored value" may differ slightly.