Hi Everyone, I, for one, am really excited about the Units of Measurement feature. There are a number of units already available in the code: [image] List of Units in the UoM (Unit of Measurement) Tutorials & Examples List of Units List of the unit available…

@vzorglub would litres be something to add? I noticed it was missing from the list. The HP Printers deal in microlitres/millilitres for marking agent used…

AFAIK LITRE should be available in SmartHomeUnits . It is possible to modify them by a MetricPrefix like MICRO or MILLI (e.g. MetricPrefix.MILLI(SmartHomeUnits.LITRE)). Does that work for you @Cossey ?

Thanks Christoph :+1: that should be all good, so should I assume that Units Of Measurement | openHAB is outdated since it doesn’t mention that, or have I misunderstood the purpose of that page?

It looks like the page is outdated. As well as the linked list in @vzorglub OP. May I ask you to give it an update?

I did notice this: bundles/org.openhab.core/src/main/java/org/eclipse/smarthome/core/library/unit/SmartHomeUnits.java a17d63ad6 public static final Unit<DataTransferRate> TERABIT_PER_SECOND = addUnit(MetricPrefix.TERA(BIT_PER_SECOND)); /** …

:+1: Thanks you very much. I left some comment in your PRs.

[image] vzorglub: What units would you like to see added to the list? Is it possible to add ounces (oz) to the Imperial units. for Number:Mass

[image] vzorglub: What about RAIN mm/hr? That would be a Speed quantity, Thanks I would also be very interested in the speed unit mm/h for the rain rate. Is the thread still up to date? Do you still collect missing units?

[image] mas: Is the thread still up to date? Do you still collect missing units? No, until some one can show me step by step how deal with gitHub, I won’t be making PRs

[image] vzorglub: until some one can show me step by step how deal with gitHub Is your problem more with GitHub in general, openHAB’s GitHub in particular, or the underlying tool Git? I am still pretty low level wizard myself, but I somewhat recently got my head around Git and it has been a …