Decimal number

0.55

Positive
Decimal
2 d.p.
Exact fraction

0.55 is a decimal number equal to 11⁄20. It lies between 0 and 1, and as a percentage it is 55%.

Number properties

Absolute value0.55

SignPositive

Integer part0

Fractional part0.55

Decimal places2

Floor0

Ceiling1

Rounded to nearest1

Truncated0

Fractions & ratios

As a fraction11/20exact

Ratio11 : 20

As a percentage55%

Reciprocal1.8181818182≈

Arithmetic

Double1.1

Half0.275

Square0.3025

Cube0.166375

Square root0.7416198487≈

Cube root0.8193212706≈

Negation-0.55

Natural logarithm-0.5978370008≈

Logarithm base 10-0.2596373105≈

Representations

Decimal0.55

Scientific notation5.5 × 10^-1

Exponential5.5e-1

IEEE 754 binary64 (hex)0x3FE199999999999Athe exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x3F0CCCCD32-bit single precision, may lose accuracy

Stored as0.55the nearest binary64 value to what you typed

Rounding

To 0 decimal places1

To 1 decimal place0.6

To 2 decimal places0.55

To 3 decimal places0.550

To 4 decimal places0.5500

To 1 significant figure0.6

To 2 significant figures0.55

To 3 significant figures0.55

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.