Module:Temperature

local p = {} function p.main(frame)

 local raw = frame.args[1]
           or (frame.getParent and frame:getParent().args[1])
           or "0"
 local k = tonumber(raw) or 0
 local c = k - 273.15
 return string.format("%g K (%.2f °C)", k, c)

end return p