Idiom: Back-of-the-envelope calculation

What does 'Back-of-the-envelope calculation' mean?

A back of the envelope calculation is a figure that was arrived at quickly or by using estimation--as if someone had grabbed the first scrap of paper they found and made a quick guess.


  • Category: General
  • Contributed By: Amanda

Idioms similar to 'Back-of-the-envelope calculation'

See also: