not rocket science

be not rocket science

To not be a pursuit, activity, or endeavor that requires extraordinary skill or intelligence. Look, all you need to do is reformat the hard drive on your computer. It isn't rocket science! Sure, it took a little bit of time to figure out, but reinstalling the modem wasn't rocket science or anything.
See also: not, rocket, science

not rocket science

If you say that something isn't rocket science, you mean that it is easy or obvious. It isn't rocket science to figure out that you will sell more sweets if you put them where small children will see them. People should be able to fill in the forms themselves — this isn't rocket science. Note: You can use expressions such as it doesn't take or you don't have to be a rocket scientist to point out that something is very easy or obvious. It doesn't take a rocket scientist to figure out why he's so angry. You don't have to be a rocket scientist to work it out. Note: The expression rocket scientist, meaning `very clever person', is used in various other structures. Now I'm no rocket scientist, but even I could see those figures looked way too high.
See also: not, rocket, science

not rocket science

used to indicate that something is not very difficult to understand. humorous
See also: not, rocket, science
References in periodicals archive ?
It's not rocket science, keep the treats for weekends/occasions.
30pm) BEN MILLER, the former Death in Paradise star, recently returned to his scientific roots to present ITV series It's Not Rocket Science, but he is now back on the BBC with new sitcom I Want My Wife Back about a man desperately trying to stay out of the divorce court.
It's Not Rocket Science ITV, 8pm ENTERTAINMENT Ben Miller (left) risks his life for science as he has a flaming crossbow bolt fired at his head - gulp
Since abandoning his PhD in Physics at Cambridge for a career in comedy Ben has turned to writing, and is the author of popular science books It's Not Rocket Science and The Aliens Are Coming.
I wonder what Raymond Baxter would have made of the new kid on the block - It's Not Rocket Science (ITV, Tuesday), which, in this week's first show, featured Rachel Riley speeding through a ball of fire on a zipwire and Joey Essex trying to drive a car.
And Clare looks for comfort in the wrong places NEW It's Not Rocket Science.
This week brothers Jai and Nikhil come to blows over Leyla in Emmerdale, Rachel Riley flies through a ball of fire (yes, really) in new stunt show It's Not Rocket Science, and there's super-charged US dramas Vinyl and Limitless.
It's not rocket science and it's nothing to do with the weather.
It's not rocket science and that quality needs to improve.
It's not rocket science, it's easy to do Take heed of this if it applies to you.
Notice her body language; if she's been avoiding you for too long, it's not rocket science that she's not interested.
It's not rocket science, it will save a lot of headaches and stress for everyone suffering every morning.
It's not rocket science but who wants to visit a place where public conveniences are closed?
Not rocket science, perhaps - but Jack Daniel's & Cola has won the admiration and respect of the entire trade - even rivals - with this premix execution, which has seen distribution exceed its parent brand and repeat purchase as good as any launch observed by the judges.
Jenny, Rugby Not rocket science I am sick to the back teeth of people trying to defend jockeys for the indefensible.