flat rate
Definitions
A single, fixed charge for a service or product that does not vary with the amount used.
A pricing structure where a set fee is applied regardless of usage, time, or quantity.
Examples
The internet service provider offers a flat rate for unlimited data usage every month.
We decided to pay the contractor a flat rate for the entire renovation project instead of charging by the hour.
Synonyms
fixed price standard fee uniform rate flat fee all-inclusive price
Antonyms
variable rate sliding scale proportional fee hourly rate tiered pricing