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"a rough estimate" vs "a rough estimation"

Both 'a rough estimate' and 'a rough estimation' are correct phrases in English. They are interchangeable and can be used to convey the idea of an approximate calculation or judgment. The choice between 'estimate' and 'estimation' is a matter of personal preference, as both are commonly used.

Last Updated: March 22, 2024

a rough estimate

This phrase is correct and commonly used in English.

This phrase is used to refer to an approximate calculation or judgment that is not precise. It implies a general idea or rough guess.

Examples:

  • Can you give me a rough estimate of how much the project will cost?
  • The survey provided a rough estimate of the number of participants.
  • I need a rough estimate of the time it will take to complete the task.
  • She provided a rough estimate of the distance to the nearest town.
  • The report included a rough estimate of the potential revenue.

Alternatives:

  • an approximate calculation
  • a ballpark figure
  • a rough guess
  • a general idea
  • a back-of-the-envelope calculation

a rough estimation

This phrase is correct and commonly used in English.

This phrase is also used to refer to an approximate calculation or judgment that is not precise. It conveys the idea of a general assessment or rough guess.

Examples:

  • The team made a rough estimation of the time needed to complete the project.
  • His rough estimation of the cost turned out to be quite accurate.
  • We need a rough estimation of the number of attendees for planning purposes.
  • The report included a rough estimation of the market size.
  • Can you provide a rough estimation of the distance to the nearest gas station?

Alternatives:

  • an approximate assessment
  • a rough calculation
  • a general approximation
  • a ballpark estimate
  • a rough guess

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