6 Answers. In general, for some number of hours, plus some fraction of an hour, you’d use the number, plus the fraction, plus “hours”, plural. “Four and a half hours.”, “Three and three-quarters hours,” etc. However, for the specific case of 1.5 hours, the usual expression is “an hour and a half”.
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How do you write 1 hour and a half?
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. both “one” and “a half” are describing the noun “hour”, so two. the other way that it could be stated is “one hour and a half”.
Is it 1.5 hours or 1.5 hour?
1.5 hours is correct as it is greater than one and therefore plural. This is when using 1.5 as a noun. However, you can also use this as an adjective e.g. a game that lasts 1.5 hours. In that case you would term it a 1.5-hour game (note the addition of a hyphen).
How do you write 1.30 minutes?
1:30 minutes = 90 s, 1.30 minutes = 60 + (0.3 x 60) = 78 s.
What is an 1 hour and a half?
An hour and a half = 1 hour + 1 half (of an hour) = 90 minutes. . The meaning of “an hour and a half” is exactly the same as “one and a half hours”. The amount of time is identical, but the two structures are different.
How long is 1 and a half hours?
“one and a half hours” “an hour and thirty minutes“
How do you write two and a half hours?
So,two and a half hour=150minutes.
Is 1.5 hours 1 hour and 30 minutes?
1.5 hours is therefore 1 hour and 30 minutes.
Is it 0.5 hour or 0.5 hours?
The plural (hours) is used unless the phrase is used as an adjective (e.g. a 0.5 hour presentation, which in practice would be said as “a half-hour presentation” or “a thirty-minute presentation”).
Is it half hour or half an hour?
half ‘a’ hour is never correct. “A half hour” is OK, but the reason it is half an hour” and not “half a hour” is because the h in hour is silent, so the word begins with the vowel sound.
How do you write an hour?
When writing the time as numerals, you can use either a colon or a period between the hour and the minutes. In some cases, such as in the military, you can even write out a 24-hour time without any punctuation. The colon is the most common option here, but it is a matter of preference.
What is half of 1 hour 30 minutes?
We know that 1 hour is divided into 60 minutes and 30 minutes is half of 60 minutes so we can say that 30 minutes is half of 1 hour. From the above statement, we have found that one half of 1 hour or (an hour) is 30 minutes.
What is the difference between 1.30 hours and 1 hour 30 minutes?
The difference between 1.30 hours and I hour 30 minutes is 12 minutes.
Is it 2 and a half hours or 2 hours and a half?
That form is normally only used for “an hour and a half”, which is indeed interchangeable with “one and a half hours”. When it’s hours plural, I’d only use “two and a half hours” – or the hyphenated version, “two-and-a-half hours“.
What time will it be 3/4 hour?
45 minutes
Three fourths of an hour is 45 minutes.
Is it one and half or one and a half?
We commonly write it as “half” omitting “a” before it. One and a half means one full and one more half making it 1 ½ , ( decimal form is 1.5 i.e one point five.) “One-half” may also mean “One and a half” which is the only correct form.
Is an hour and a half an hour and 30 minutes?
30 minutes is half an hour. 60 minutes is an hour. 90 minutes is one and a half hours, or an hour and a half.
How do you write one in a half?
So “1/2” should always be written out as one-half. (Unless it’s in a sentence like “one half of a perfect pair,” in which case it’s not a fraction.) One half need not be hyphenated when used as a noun; however, it must be hyphenated when used as an adjective: 1.
How do you write two and a half?
A. There is no need for hyphens if you’re using the phrase as a noun: We’ll be there in two and a half hours; two and a half hours is plenty of time. If you are using a phrase like that as a modifier, however, you’ll need hyphens to hold it all together: a two-and-a-half-hour trip.
How long is 2 and a half minutes?
two minutes and thirty seconds
Two and a half minutes is two minutes and thirty seconds.
What is 6 hours and 50 minutes as a decimal?
Common Time to Hours, Minutes, and Seconds Decimal Values
| Time | Hours | Minutes |
|---|---|---|
| 06:20:00 | 6.333 hrs | 380 min |
| 06:30:00 | 6.5 hrs | 390 min |
| 06:40:00 | 6.667 hrs | 400 min |
| 06:50:00 | 6.833 hrs | 410 min |