don't have to / needn't

[MiaL]

Hi!

Is there any difference in meaning between these two sentences? Do don't have to and needn't mean the same?

I don't have to do the hoovering every day.

I needn't do the hoovering every day.

Thank you

Mia

[Harry Smith]

Hi!

Is there any difference in meaning between these two sentences? Do don't have to and needn't mean the same?

I don't have to do the hoovering every day.

I needn't do the hoovering every day.

Thank you

Mia

They are very similar in meaning.

[svartnik]

Hi!
Is there any difference in meaning between these two sentences? Do don't have to and needn't mean the same?
I don't have to do the hoovering every day.
I needn't do the hoovering every day.
Thank you
Mia

the difference is where the obligation comes from.
I need not ... -- the obligation comes from me.
I do not have to -- the obligation comes from someone else

[Harry Smith]

the difference is where the obligation comes from.
I need not ... -- the obligation comes from me.
I do not have to -- the obligation comes from someone else

Hi, Svartnik! Как дела?
Can you clarify what you mean?

[svartnik]

Hi, Svartnik! Как дела?
Can you clarify what you mean?

Как дела? = how are things with you
oitsen hororso moia druzia, cpasiba

[svartnik]

Hi, Svartnik! Как дела?
Can you clarify what you mean?

I needn't = I do not feel it is necessary for me to do sg
I do not have to -- someone else thinks that it is not obligatory that I do sg

[Harry Smith]

I needn't = I do not feel it is necessary for me to do sg but if you wish you can do. Right?
I do not have to -- someone else thinks that it is not obligatory that I do sg

but if I want I can do. Right?

O.K. Can you give some very typical examples?

[Harry Smith]

Как дела? = how are things with you
oitsen hororso moia druzia, cpasiba

I'm very happy to hear that. Cheers! ( Удачи!)

[Daruma]

http://www.learnersdictionary.com/search/need

need

—used to say that something is necessary
▪ All you need do is ask. [=all you need to do is ask]
▪ You need only look at her [=it is only necessary for you to look at her] to understand why I fell in love.

—usually used in negative statements and in questions for which the answer is assumed by the speaker to be “no”
▪ You needn't leave if you don't want to. [=you don't have to leave if you don't want to]
▪ You need not answer these questions. [=you don't have to answer these questions]
▪ I told him he needn't worry.
▪ Nothing bad happened. You need not have worried.
▪ Need I point out that your father disagrees?