Preussen conversion is not the right one either.
Wiki quate: In August 1714, George Elector of Hanover, Duke of Brunswick–Lüneburg (King George I) ascended to the British throne. Between then and 1866, when the town became Prussian during the Austro-Prussian War as part of the province of Hanover, Celle was a possession of the British Hanoverian line.https://en.wikipedia.org/wiki/Celle
But you are right - lod should be the same, but no definite standard. I used the Danish and that was not correct, but the one I had.
However the lod is almost the same, as it represented value. But many local measurements make it difficult.