"one and a half hours" vs "one and a half hour"

Question

"one and a half hours" vs "one and a half hour"

Both phrases are correct, but they are used in different contexts. 'One and a half hours' is the correct form when referring to a duration of time that is one hour and thirty minutes long. 'One and a half hour' is also correct but is less common and is typically used in a more informal or conversational context.

Last Updated: March 15, 2024

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.

Alternatives:

an hour and a half
ninety minutes

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.

Alternatives:

an hour and a half
ninety minutes

Answer 1

one and a half hours

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

Answer 2

one and a half hour

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

"one and a half hours" vs "one and a half hour"

one and a half hours

one and a half hour

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