The metric system is a system of measurement adopted throughout Zemuria. It is based on the real-life metric system, which was officially confirmed in Trails in the Sky the 3rd, Sun Door 5: "Campy's Who Wants to Be a Mirannaire? Trials in the Sky".
Unit table[]
| English | Japanese | Comparison |
|---|---|---|
| rege | リジュ | 1 rege = 1 centimetre |
| arge | アージュ | 1 arge = 1 metre |
| selge | セルジュ | 1 selge = 100 metres |
| torim | トリム | 1 torim = 1,000 kilograms |
| curim | クリム | 1 curim = 1 kilogram |