Program Converse version 1.8
Program Converse serves to convert various unit to one another.
At present present it is at your disposal in the version 1.8 and it can
convert 1,450 units in fifty-two groups.
Consequently, there are 217,240 possible conversions in total.
It is freeware, so you can copy it free:
This is what it looks like:

It does not require instalation.
It is sufficient to extract it from the archive into any directory (folder)
and run program Converse.exe.
If the file English.ini (whatever its contents may be), exists in the folder,
the program will automatically start with English menu.
(If you want the program to start with the Czech menu, delete the file. :-))
When decompressed, it will take up 1,635 kB.
Here you can download the program compressed in the archive Converse.zip
in size 363 kB.
And here is the database of units Units.zip in size of 64 kB from
04th April 2003.
Historyof the databases:
04.04.2003 – further units added, in total 1,450
24.06.2002 - further units added, in total 1,310
28.12.2001 - further units added, correction of the incorrect inclusion
of irradiation units, 1,270 units in total
19.06.2001 – correction of mistakes, control and correction according to the
official SI chart
31.03.2001 – 1,031 units in total
Historical evolution:
26.12.2001 - ver. 1.8 - Removal of the error message on submission of the value 0.
31.03.2001 - ver. 1.7 - Added: fraction display, expanded hints.
28.03.2001 - ver. 1.6 - Correction cluster sampling units.
08.11.2000 - ver. 1.5 - option to filter old units. Only czech language - commentary on unit expanded.
30.08.2000 - ver. 1.4 - English commentary added. Correction of grammatical errors.
01.04.2000 - ver.1.3 - First free version of the programme available.