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Decimal number ↔ IEEE 754

With this converter you can convert a decimal number into a floating point number (IEEE 754) and vice versa. This converter does not work 100% accurate!

Choose type:

Type Size Exponent Mantissa
single 32 bit 8 bit 23 bit
single extended, minimum 43 bit 11 bit 31 bit
double 64 bit 11 bit 52 bit
double extended, minimum 79 bit 15 bit 63 bit

Enter number:

Decimal number        Dual number (IEEE)
(only for decimal number)
x 10

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