a ballpark figure

ballpark figure

An approximate number; an estimate. Do you have a ballpark figure for the cost of the renovations? That's just a ballpark figure—they don't know exactly how many people will be attending the event.
See also: ballpark, figure
Farlex Dictionary of Idioms.

a ballpark figure

or

a ballpark estimate

A ballpark figure or a ballpark estimate is an approximate figure or quantity. Note: A ballpark is a park or stadium where baseball is played. But what are we talking about here — a few thousand, millions, two bucks? Give me a ballpark figure. I think just in a ballpark estimate — about 60-40. Sixty would support, 40 percent would be opposed.
See also: ballpark, figure
Collins COBUILD Idioms Dictionary, 3rd ed.

a ˈballpark figure

a number which is approximately correct: I know we haven’t really discussed costs yet, but can you give me a ballpark figure?
See also: ballpark, figure
Farlex Partner Idioms Dictionary

ballpark figure, a

A roughly accurate estimate, an educated guess. Coming from baseball, this expression rests in turn on in the ballpark, meaning within certain limits. Although both are generally applied to numerical estimates, neither appears to have anything to do with baseball scores.
See also: ballpark
The Dictionary of Clichés by Christine Ammer
See also:
  • ballpark figure
  • ballpark figure, a
  • ballpark
  • ballpark estimate
  • estimate
  • figure
  • figure out
  • figure into
  • figure into (something)
  • cut a figure
References in periodicals archive
The major one is cost In a residential building, a ballpark figure for an average 2,000-pound-capacity elevator is in the $45,000 range.
Despite more than 200 years of experiments, the best laboratory determinations of the force of gravity have yielded no better than a ballpark figure. Adding to the haziness, meteorologists have scarcely probed the force's strength at distances of 1 millimeter or less.
Universal Ballet of Seoul, South Korea, may offer a ballpark figure, however.
Right now, Cameron can only provide a ballpark figure for the GST if the project extends beyond Jan.
"As a ballpark figure, the price is between $30 and $40 per vent, $50 per apartment.