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one and a half hours vs one and a half hour

Both phrases are correct, but they're used in different contexts. 'One and a half hours' is the correct form when referring to a duration of time that's one hour and thirty minutes long. 'One and a half hour' is less common and is typically used in a more informal or conversational context.
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Explained by Miss E.
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Last updated: January 03, 2025 • 8938 views

This phrase is correct and commonly used when referring to a duration of one hour and thirty minutes.

"one and a half hours"

This phrase is used to indicate a time duration of one hour and thirty minutes. It is the standard and more formal way to express this time period.

Examples:

  • The meeting lasted for one and a half hours.
  • She practiced the piano for one and a half hours every day.
  • It takes one and a half hours to drive to the beach.
  • He slept for one and a half hours.
  • The movie was two hours long, but the director cut it down to one and a half hours.
  • Jan 30, 2015 ... The usual expression is "an hour and a half". This usage is so common that "One and a half hours" actually sounds strange.
  • Feb 2, 2014 ... If so, is either more appropriate in different contexts? Example context: "The Superbowl starts in less than one and a half hours." "The ...
  • Jul 13, 2010 ... Hi there, I was wondering if "an hour and a half" is correct in English. I know "one and a half hours" is more idiomatic, but is it the only ...
  • Aug 23, 2023 ... Ok so in Aus English, we'd say "an hour and a half" or "one and a half hours". But for everything more than one hour it would always be "two ...
  • It is "one and a half hours" because you have more than one hour ( one hour plus half an hour ) hence implying that it is plural and not just a single hour.
  • Jun 2, 2022 ... Neither of the above is correct. We say ' one and a half hours' followed by the verb in the singular. ' One and a half hours is long enough for a western ...
  • Oct 29, 2008 ... How can I set cron to run certain commands every one and a half hours? ... (one and a half hours) if [[ $(($minutesSinceEpoch % 90)) -ne 0 ]]; ...
  • Mar 9, 2017 ... One and a half hours until Liza Minnelli and Michael Feinstein go #FacebookLive. Remember to "like" and "follow" Michael's page for a ...
  • Jun 9, 2021 ... Also have a look at the answers here (if Abeez Journal allows links to “colleague sites”):. Is it one and a half hour or one and a half hours?
  • Jul 31, 2021 ... Jack can read 45 pages of his book in one and a half hours. At that rate, how long will it take him to read the entire 300-page book? All ...

Alternatives:

  • an hour and a half
  • ninety minutes

This phrase is also correct but is less common and used in informal contexts.

"one and a half hour"

This phrase is used informally or conversationally to refer to a duration of one hour and thirty minutes. It is less formal than 'one and a half hours.'

Examples:

  • I'll be there in one and a half hour.
  • Let's meet in one and a half hour.
  • He finished the task in one and a half hour.
  • It took her one and a half hour to complete the puzzle.
  • We spent one and a half hour at the park.
  • Is it "one and a half hour" or "one and a half hours" ? Top. blatant: Member ...
  • Jun 2, 2022 ...One and a half hour is…” (let's say 90 minutes). Of course, if you habitually do not pronounce the 'h' in 'half' then you might well say ...
  • Jul 22, 2020 ... Whenever my RWD tune sucks ass after one and a half hour of careful tuning. Meme. r/ForzaHorizon - a ...
  • Mar 9, 2010 ... J'ai retrouvé cette phrase sur un ancien cours : It's one and a half hour's drive to Paris. Qu'est ce qui justifie le 's.
  • Oct 15, 2023 ... Would one and a half hour commute on a daily basis be realistic? Question. Around this time we started looking into colleges since they've ...
  • Apr 17, 2020 ... Your one and a half hour flight experience will include: Pre-flight briefing & session planning; In-simulator briefing; 90 minute flight time ...
  • Sep 6, 2024 ... Re: One and a half hour live stream. Post by TerryRed » 06 Sep 2024. Don't worry I won't spoil anything ...
  • Jul 11, 2007 ... If I want to speak 90 minutes with the words--half&hour, I should say "one and a half hour" or "one and a half hours"? Then "one and a ...
  • Elizabeth Castle: The one and a half hour trip that took all afternoon - See 3631 traveler reviews, 2426 candid photos, and great deals for St. Helier, UK, ...
  • Oct 29, 2008 ... 90 — it is one and a half hour in minutes. "> 60" — I give to cron ability to delay the start of script during a minute. Also with help of ...

Alternatives:

  • an hour and a half
  • ninety minutes

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