Definition

Verb (transitive): To pro-rate means to divide, distribute, or calculate something proportionally according to a specific factor, such as time, amount, or usage. It is often used in financial, billing, or administrative contexts to allocate costs or payments fairly.

Usage Examples

• (The fee is calculated proportionally based on the remaining months.)
• (The rent is divided according to the number of days occupied.)
• (The bonus is distributed proportionally to each person's contribution.)

Advanced Usage

• "to pro-rate a refund": to calculate a partial refund based on unused time or service.

  • If you cancel your gym membership after three months, we will pro-rate a refund for the remaining nine months. (The refund is proportional to the unused period.)

• "to pro-rate costs": to allocate expenses proportionally among multiple parties or projects.

  • The department will pro-rate the software license costs across all teams using the tool. (Each team pays a share based on usage.)

Variants and Related Words

• Pro-ration (noun): the act or process of distributing proportionally.

  • The pro-ration of the annual fee saved customers from paying for unused months. (The proportional distribution was applied.)

• Pro-rated (adjective): adjusted or calculated proportionally.

  • She received a pro-rated salary for the partial month she worked. (The salary was adjusted based on days worked.)

Synonyms

• Allocate proportionally: to assign shares based on a ratio.
• Distribute equitably: to divide fairly according to a standard.
• Prorate (variant spelling): the same word, often used interchangeably.

Phrasal Verbs

• Pro-rate out: to distribute proportionally among a group.
  • We will pro-rate out the remaining budget to each department. (Divide the budget proportionally.)

Related Idioms

• "On a pro-rata basis": a Latin phrase meaning in proportion; used as an adverbial equivalent.
  • The subscription costs are calculated on a pro-rata basis. (The calculation is done proportionally.)

Note: "Pro-rate" is sometimes hyphenated as "pro-rate" or written as one word "prorate". Both forms are accepted in modern English. The word originates from the Latin phrase "pro rata" (according to the rate).