Note: Denarius Converter program

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Note: Denarius Converter program

Post by DCHindley » Sat May 20, 2017 5:23 am

Those who are serious about understanding the socio-economic context of the Roman world should be interested in this program, so I thought I would post this here. It was created by Stefan Kloppenborg, who I believe is John Kloppenborg's son.

The following is an introductory file that used to be in once of the download sites he originally used:
Denarius Converter v1.0 - 1360 KB
Denarius Converter will convert various ancient units to other ancient units and modern units.
For example, if one wanted to convert one modius to bushels, Denarius Converter could do it.
Denarius Converter can convert units in the following catagories:
- Monetary
- Linear
- Area
- Dry Measures
- Liquid Measures
Denarius Converter also allows one to edit, add and delete conversion factors.
One can set a shekel to equal ninety assarion or one (the default is 64).
Denarius Converter even allows one to convert prices to real value and visa-versa, for example, one loaf of bread cost one assarion.
Denarius Converter also allows one to merge other Denarius Converter Data files with the ones already one the computer. You can download other data files from ... other Denarius Converter users [sorry, I do not have any, but someone else might]. If there is a conversion that appears in both files which is different, you can delete one or rename one (or both).
Denarius Converter even comes with a simple buil[t]-in numerical calculator.
System Requirements: Windows 95 or higher [or Windows] NT [or higher]
Denarius Converter is free for individual use.
Stefan Kloppenborg
skloppen@... [link is dead] ... [download works]
My little review was here:

I once asked him via e-mail where he got these equations, and he simply said "from common sources" (which I took to mean he didn't remember anymore and had not bothered to document them). In some cases he is very precise and in others he is very general, probably representing the sources he used. When there were regional differences (either in actual measurement or using Greek terms with their own specific meanings for Roman measures of different value), he indicates "min" "avg" and "max" values, often generally stated.

Unfortunately, Stefan has gone on to pursue other things that do not relate to ancient history ...

The link below will take you to a post where I had uploaded the Zip file as developed by Stefan (, about 1.3 Mb). It contains 15 files needed to set up and operate this little database. ... lit=Stefan

If you are afraid of "Zip" files, shame on you. There are still folks out there, even in this forum, who are in a really tight budget and so still use free 16 bit shareware programs for spreadsheets and word processing. If so, you are out of luck.

FWIW, "Zip" has become a generic term for any compressed file, but the format was developed by PKWare, a globally known company with an excellent reputation, so relax. You can scan them using your Virus protection program if you are wary.

Download the Zip file and unzip them (PKUNZIP.EXE, a freeware program, or almost any file compression program will do it) to some convenient subdirectory. The files will not automatically install themselves unless you double click the SETUP.EXE file.


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