Decimal number

0.3125

Positive
Decimal
4 d.p.
Exact fraction

0.3125 is a decimal number equal to 5⁄16. It lies between 0 and 1, and as a percentage it is 31.25%.

Number properties

Absolute value0.3125

SignPositive

Integer part0

Fractional part0.3125

Decimal places4

Floor0

Ceiling1

Rounded to nearest0

Truncated0

Fractions & ratios

As a fraction5/16exact

Ratio5 : 16

As a percentage31.25%

Reciprocal3.2≈

Arithmetic

Double0.625

Half0.15625

Square0.097656

Cube0.030518

Square root0.5590169944≈

Cube root0.6786044041≈

Negation-0.3125

Natural logarithm-1.1631508098≈

Logarithm base 10-0.5051499783≈

Representations

Decimal0.3125

Scientific notation3.125 × 10^-1

Exponential3.125e-1

IEEE 754 binary64 (hex)0x3FD4000000000000the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0x3EA0000032-bit single precision, may lose accuracy

Stored as0.3125the nearest binary64 value to what you typed

Rounding

To 0 decimal places0

To 1 decimal place0.3

To 2 decimal places0.31

To 3 decimal places0.313

To 4 decimal places0.3125

To 1 significant figure0.3

To 2 significant figures0.31

To 3 significant figures0.313

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