one and a half month vs one and a half months

The correct phrase would be "one-and-a-half months." Since we are dealing with more than one, we need the plural.

Explained by Kay
Editor at TextRanch

Last updated: December 10, 2017 • 115834 views

This phrase is not correct. Don't use it.

"one and a half month"

Since one and a half is more than one, you have to use the plural of months.

Show examples from the web [+]

Wrong: "I've been in Scotland for one and a half month" (or "one month half") - Right: "I've been in Scotland for one and a half months" One and a half is more ...
Mar 31, 2009 ... rich7 Senior Member. caracas. Venezuela español. Or is it the correct one and a half month? why? what would be the difference if any?
... half months? How do I get 320 out of 340 in GRE with only 3 and half months to prepare? Is one and a half month time enough to prepare for Manipal ENAT?
Jul 4, 2012 ... Up next. One and a half month old baby talking to big sister ( CUTE ) - Duration: 1 :06. by xxcigarooxx 1,830 views. 1:06 ...

Some alternatives from our editors:

one and a half months

This phrase is correct.

"one and a half months"

This is a phrase that indicates a particular time period.

Some examples from our editors:

I knew her for about one and a half months.
The process is expected to take one and a half months.

Show examples from the web [+]

Right: "I've been in Scotland for one and a half months" One and a half is more than one, so the noun ("month") must be plural ("months"). It is better not to split ...
Mar 31, 2009 ... "One and a half months", or "a month and a half" are both common. You wouldn't normally hear "one month and a half". ace02nc, Mar 31, 2009.
earth. Earthish. Hola a todos~ Como se dice "it has been one and a half months since I started to learn spanish" en espanol? Gracias~. Milkyway, Sep 23, 2005.
Still bleeding after one and a half months. I wrote before on having a medical abortion at 11 weeks 2 days. Still has been hard to deal with but I'm coping. It's now ...

Some alternatives from our editors:

six weeks
a month and a half

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one and a half month vs one and a half months

"one and a half month"

"one and a half months"

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