OxCal onlineThe OxCal program is intended to provide radiocarbon calibration and analysis of archaeological and environmental chronological information.
The current version is 4.2 and is available for online use or downloading (see links below). Version was 3.10 which was a Windows standalone program; this is still available but will not be further developed.
A variety of different chronological models can be included in the analysis. The information for such analysis can be entered using the user interface or in the form of text command files.
This version is available for online use or download. Please follow the following link to sign on or get a password:
The program can also be downloaded for use on your own computer (Windows, Mac OSX or Linux with Firefox v16):
OxCalDistribution.zip (~3MB)
Please see the installation instructions.
Please report any bugs or problems to the OxCal discussion group.
Older versions can also be downloaded for use on your own computer (Windows, Mac OSX or Linux with Firefox v16) or to set up an OxCal server using php:
Please see the installation instructions.
This legacy version is for Windows 95, NT or later versions.
This version can be downloaded from here as a self extracting file:
oc_3_10r.exe (~1MB)
You cannot use Firefox v17 or later to run OxCal as a standalone program as the extensions required have been removed. The latest compatible version of Firefox that will work for this is archived here:
In order to prevent the proliferation of different calibration curve files this program has been designed to work with the files provided with the CALIB (*.14c) or the Groningen program (*.dta).
The IntCal04 and Marine04 data files are bundled with OxCal (with the kind permission of the compilers). They can also be downloaded individually from this site (see Radiocarbon calibration curves).
An EMail distribution list is held of people who might be interested in announcements about updates and changes to this program:
There is also a discussion group for those interested in discussing use of the program, reporting bugs or suggesting improvements (members can send mail to this group but not the announcement list):
For further information contact the author:
Prof. C. Bronk Ramsey