How do I write out .25% ?

awww, dyske beat me to it. But in the case of .24% I think you would just have to use "twenty-four hundredths of a percent" which, while unwieldy, says what you want it to say.

Perhaps this is a case where one needs the context to answer your question properly.

In a novel, I would prefer dyke's solution, or "a quarter per cent", and would not be troubled if the precise number was 0.24%. Rounding up would be fine in that context. But in a scientific or academic text, I would go for "point twenty five per cent".

(Without looking, I'm guessing that the "percent / per cent" discussion is somewhere on this site, to which I am a happy newcomer. As you will have gathered, I lean towards "per cent".)

I beg your pardon, "dyske", not "dyke".

There are a number of ways to do it. I use 0.25 percent (adding the zero for clarity in case the . might be missed. In engineering it'a always done this way.) In any case (except in math proplems or numerical accounting) the % must be spelled out.

While I just posted something similar in a related topic, I'd like to ask the same thing in reverse:

How would you write “point two five percent” using only arabic numerals and symbols?

Answer: .25%

How would you write “a quarter of a percent” using only arabic numerals and symbols?

Answer: 1/4%

Kinda makes you think, doesn’t it?

zero point twenty five
zero point twenty four

If you have to write it out formally, it reads like this: "twenty five hundredths of a percent."

If you require the words themselves, as opposed to the numerals, I would be much more in favor of "point two five," than of "point twenty-five." From a stylistic perspective, it's more concise, and from a mathematical perspective, "point two five" sounds more correct. After all, .25 implies nothing like 25 because the 2 is in the tenths place, not the tens. Twenty-five just sounds wrong. Now, "twenty-five hundredths," while correct, should immediately be dismissed as too unwieldy in all but the most formal writing.

"[zero] point two five percent".

It's wrong to say "[zero] point twenty five percent", since it has nothing to with the number 25.

In "normal" English, if you will, you would replace that with something else. Like, a very small percentage, or less than a percent/percentage. I say the decimal system is strictly mathematical, and you should avoid it. If not, then you ARE entering into the world of math, in which you have to start using '.' as if it was a symbol. The proper word for '.' in the decimal system is actually 'decimal', and I've heard people say that.. but never in writing. If it's a type of writing that shouldn't be having the decimal symbol, then don't use it. Convert it. And then round it if it's too ridiculous. If you can't round it and the exact number is necessary, then it's obviously not that type of writing and you can go ahead and just the symbol for decimal, '.'.

I'd say (nought) point two five percent. "Nought" is probably a British thing.

Regarding "point twenty-five", I'm not sure it's wrong (as a couple of you have said). I think it's just the American way of saying it. True, 0.25 has nothing to do with the number 25, but it doesn't have anything to do with the numbers 2 and 5 either.

The answer is: "a quarter of a percent."

The problem is that only the small percentage of the population that understand percentages understands you. Say "nearly none" or "almost no," depending on circumstances.

You will get away with it .25% of the time. (Just a guess.)

I'd say [zero] point two five rather than [zero] point twenty five

it's there's no relation between .25 with 25 or 2 and 5 but still
If you said zero point three and zero point twenty five sounds like the twenty five things is bigger then three
Therefore for decimal if we're not read it as a fraction we have to spell the number behind the decimal one by one

It's wrong to say "[zero] point twenty five percent", since it has nothing to with the number 25. www.newlechenie.ru/news-english/complications-of-diabetes/

25% equals 0.25. If they mean quarter percent then spell it "quarter percent" or "one-fourth percent." Not sure how to transcribe 0.25% in which both the decimal and percent sign are redundant, as only one is necessary if of course they mean 1/4 percent or 25% if unless they do mean "one-fourth of one percent" which would be rather uncommon.

In a formal legal document I would write: TWENTY-FIVE HUNDREDTHS (0.25%) PERCENT

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Good https://painintheenglish.com/