back-of-the-envelope

adjective

: done quickly to provide a rough estimate : not exact
did a back-of-the-envelope calculation
His method is, in effect, a back-of-the-envelope time-and-motion study.Ian Stewart

Examples of back-of-the-envelope in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The remaining amount — somewhere around $500 million, based on my back-of-the-envelope calculation — deserves careful scrutiny. David Greising, Chicago Tribune, 6 Dec. 2024 Our back-of-the-envelope analysis puts the median age of the cable MNF base at around 48 years, while ABC’s is about 57 years. Anthony Crupi, Sportico.com, 6 Dec. 2024 At a price of $30 per month per user, back-of-the-envelope math equates to $3.6 million annually for 10,000 employees. Eric Rosenbaum, CNBC, 29 Oct. 2024 Precise figures are tricky to obtain but, according to a back-of-the-envelope calculation by Inogwabini, just a few dozen of the perhaps 300 scientists publishing on conservation topics related to the Congo Basin are from the DRC itself. Byemmet Livingstone, science.org, 3 Oct. 2024 Since the Treasury re-introduced the 20-year bond in monthly auctions four years ago, their sale has tacked on roughly $2 billion a year in interest expenses on top of what the government would have otherwise paid, a simple back-of-the-envelope calculation shows. Lila MacLellan, Fortune, 8 Aug. 2024 Maybe the dollars don’t line up as cleanly for the Big Ten Network as our back-of-the-envelope math suggests. Jon Wilner, The Mercury News, 17 July 2024 The problem with this kind of back-of-the-envelope math is that Musk’s assumptions can be off by orders of magnitude. Phil Wahba, Fortune, 3 July 2024 To get a sense of just how big the gains that Collier brushes aside are, consider the following back-of-the-envelope calculation. Justin Sandefur, Foreign Affairs, 16 Dec. 2013

Word History

First Known Use

1968, in the meaning defined above

Time Traveler
The first known use of back-of-the-envelope was in 1968

Dictionary Entries Near back-of-the-envelope

Cite this Entry

“Back-of-the-envelope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/back-of-the-envelope. Accessed 21 Dec. 2024.

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