How would one express a range of numbers regarding an action?

Example: I usually study anywhere between 2 to 4 hours a day.

Would the からーまで grammar structure be appropriate here?

一日に普段２から４時間までを勉強する。

This is my attempt at it, but something feels off.
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2012-10-18T00:35:10.657
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2012-10-19T00:08:20.050
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grammar numbers
Range of numbers
You miss a `時間` in `2時間から4時間まで`.  
You don't need the `を`.  
You should add a `、` or `は` after `普段`.
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2012-10-18T01:09:21.240
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I was actually thinking about this a few days ago. They actually don't say
anything in between, they just say "二 四 時間" (ni yon ji kan). There is a slight
pause between ni and yon, but almost undetectable.

In English, sometimes we will throw in an "or" but not always, think about the
movie "Mr. Mom" when he said "45, 46, whatever it takes". Same thing here.
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2012-10-18T06:54:12.343
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There is an expression 乃至 (ないし) which carries the meaning of "from ~ to ~" or
"between ~ and ~", however it is very formal. It may not be appropriate in
most casual situations but it _does_ carry that meaning.
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2012-10-18T11:22:10.990
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2012-10-18T11:22:10.990
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It is usual to say AからB without まで when you use a range in place of a number,
and you repeat units. Therefore, “for two to four hours” is 2時間から4時間.
2時間[乃至]{ないし}4時間 is a very formal way to state the same thing, as ssb stated.

Your sentence has a few other incorrect or unnatural points.

  * As oldergod stated, the usage of を is incorrect. The duration of an action does not take any case particle.
  * It is awkward to mix kanji numerals and arabic numerals apparently without reason.
  * This is subtle, but I feel that it is more natural to place 普段 at the beginning of the sentence, because 1日に2時間から4時間 is a single meaningful unit.

The resulting translation:

> I usually study for two to four hours a day.  
>  普段1日に2時間から4時間勉強する。

(It is strange to say 2時間から4時間 **まで** here, but I am not sure why. I hope that
someone can clarify the difference between AからB and AからBまで.)
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2012-10-18T14:17:37.887
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