noun, noun which may take the genitive case particle 'no'
unit price; unit cost
Refers to the price or cost per single item, unit, or measure. Common in shopping, accounting, and manufacturing contexts.
The unit price of this product is 500 yen.
We placed a bulk order to lower the unit cost.
The unit price went up due to the cost of raw materials.
Please calculate the unit price of this product.
If you order in bulk, we can lower the unit price.
You multiply the unit price by the quantity to get the total amount.
値段 is the everyday, casual word for the price of a thing overall, while 単価 is a more technical term for the price per single unit.
単位 means 'unit' (of measurement, credit, etc.), while 単価 means 'unit price'; the two share the kanji 単 and are easy to mix up when reading quickly.
単価 means the price per unit (e.g. per piece or per kilogram), whereas 定価 is the single official price set for an item as a whole.
担架 (a stretcher) and 単価 (unit price) share the same reading たんか but refer to entirely different things, one medical and one commercial.
Compound of 単 (single, simple) and 価 (price, value). The kanji combination directly conveys the meaning of 'price per single unit'.