Which system is used most often in novels, English or Metric? My WIP is set in Iron Age Europe, so I doubt they used either system, or used much of a system at all for that matter. It makes little difference if I say, "The house was 4 meters square, with a heavily thatched roof and an ox hide curtain for the door." OR "The house was 4 yards square, with a heavily thatched roof and an ox hide curtain for the door." I just want to make sure I'm being consistent. All the archeology journal I read use the metric system, so when I write descriptions of things that involve lengths, like where a post hole would be marked for a house, I tend to automatically write in metric. BUT other times, like when I'm referencing weights, I might say "She weighed 9 stone" or "She added a dram of honey." This makes me lean toward wanting to use the English system, but I so seldom see it used, that it just looks funny on the page. Currency was ingots, so no need to worry about being consistent there, since coin wasn't used. No references to temperature either, aside from hot or cold. I just want to make sure my weights and measure are neatly aligned. Thoughts?