Refers to the weight of an object, often used in contexts like measuring or describing heaviness. The term is somewhat specialized and less common in everyday conversation than 重さ (おもさ).
What is the weight of this package?
斤目が足りないと、追加料金がかかります。
If the weight is insufficient, an extra charge will apply.
The term 斤目 (きんめ) combines 斤 (a traditional unit of weight, approximately 600g) and 目 (indicating a measure or scale). The exact historical derivation is uncertain, but it is conventionally associated with measuring weight.