Double-precision floating-point format

In computer science double precision ( double precision english or even double) is a term for a number format that occupies eight bytes in the computer (instead of only four as would be the case in single precision ). Here are the exact details depend on the system and its memory architecture. Especially for microprocessors with bytewise memory of the IEEE -754 standard was designed, the ( 64-bit) requires 8 bytes for this number format. The term is not reserved for floating point numbers, but also for integer formats applicable.

A precision of 53 bits is converted to decimal an approximate accuracy of 16 digits ().

More accuracy classes

  • Half accuracy or minifloats
  • Single precision
  • Quadruple precision
  • Numerical Mathematics
  • Computer arithmetic
Single-precision floating-point format Quadruple-precision floating-point format
246678
de