The ounce (abbr. oz) unit used in Tibia to weigh items is believed to be based on the Dutch ounce (ons, 100 grams), which is 1/10 of a kilogram, rather than the English ounce, which is 1/16 of a pound.
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 58 |