I see The moduleConvert is very good in accepting number formats recognise units combined units prefixes both symbol and name calculate that smart sortnumber It is not good in return isolated results eg that sortnumber only add table formatting btw the input number usually returned asis unchanged In my description convertcalls are hidden from the article editor It is only used to get the plain timequantityinseconds number from any timeunitinput the core  good convert trick That secondsnumber is fed into a sortkeycreator like nts The valueunit shown can be exactly the editors input Could work is not very elegant What Jimp writes below is about the sortvalue calculated by convert my setup does not use that