unit rate

Translations
цена за единицу
расценка за единицу
тариф за единицу
единичная ставка
удельная величина
Definitions
A rate expressed for one unit of a quantity.
The amount charged or paid for one unit of a good, service, material, or work.
A ratio comparing two quantities when the second quantity is equal to one.
Words
unit

adjective
единичный
rate

noun
ставка