Where is my Refund?

From where can I get status of my Federal Income Tax Return REFUND?
 

After doing and eFiling Federal tax return, I do have a question where is my refund or when can I get my refund?

I thought this question will be in everybody's mind, once they will finish their tax return and awaiting their refund to come. 

Below are the few links from the IRS.Gov website which gives you the status of where is your refund.

Step 1: When to check status...

•     Within 24 hours after we've received your e-filed tax return
•     4 weeks after you mail your paper return
•     "Where's My Refund?" is updated once every 24 hours

Step 2: What you need... 

•    Social Security Number
•    Filing status
•    Exact refund amount

Step 3: How...

• Get your refund status at Where's My Refund?

Before finding out your refund, how to know when will I get my refund?