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Development, Library


The UDUNITS package supports units of physical quantities. Its C library provides for arithmetic manipulation of units and for conversion of numeric values between compatible units. The package contains an extensive unit database, which is in XML format and user-extendable. The package also contains a command-line utility for investigating units and converting values.

Available versions (Euler, old software stack)

Legacy versions Supported versions New versions
2.2.18 2.1.24

Environment modules (Euler, old software stack)

Version Module load command Additional modules loaded automatically
2.2.18 module load gcc/4.8.2 udunits/2.2.18
2.1.24 module load new gcc/4.8.2 udunits/2.1.24

License information

(C) Copyright 1992,1995 UCAR/Unidata

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose without fee is hereby granted, provided that
the above copyright notice appears in all copies, that both that copyright
notice and this permission notice appear in supporting documentation, and
that the name of UCAR/Unidata not be used in advertising or publicity
pertaining to distribution of the software without specific, written prior
permission.  UCAR makes no representations about the suitability of this
software for any purpose.  It is provided "as is" without express or
implied warranty.  It is provided with no support and without obligation on
the part of UCAR or Unidata, to assist in its use, correction,
modification, or enhancement.