to check whether vs to check whether or not

Both phrases are correct, but "to check whether" is more concise and commonly used. Adding "or not" is redundant and unnecessary in this context.

Last updated: March 19, 2024 • 813 views

This phrase is correct and commonly used in English.

"to check whether "

This phrase is used to introduce a clause that states a condition or possibility that is being investigated or verified.

Examples:

I need to check whether the store is open before I go there.
She will check whether the assignment is due tomorrow.
We should check whether the information is accurate.
He wants to check whether the package has arrived.
Can you check whether the meeting is still scheduled for tomorrow?

Show examples from the web [+]
Last updated: October 30, 2024

\[INS-30014] Unable to check whether the location specified is on CFS · Ask Question. Asked 4 years, 3 months ago. Modified 1 year, 8 months ago.
how to check whether a variable varies over time for each individual in a panel data. 02 Sep 2020, 20:42. Dear Statalist, I have a balanced panel data with ...
How to check whether a string contains a substring in JavaScript? Ask Question. Asked 14 years, 11 months ago. Modified 2 years ago. Viewed 8.2m times.
Oct 16, 2023 ... Error: Failed to find valid gateway server for non-scheduled repository Backup Repository 2: [JKTVEEAM02] Failed to check whether file or folder ...
Jun 11, 2024 ... How to check whether a WiFi connection really has internet access? Help. Update: This method from this reply works (remember using it ...
Nov 9, 2021 ... How to check whether current time is between time X and time Y? Need help Database · renzetc November 9, 2021, 11:09am 1. Hey all,. For the past ...
Feb 24, 2020 ... Hi, We are developing a Jira Cloud app and need to check whether the given user is admin for some of our REST endpoints.
How to check whether a duplicated page is created or not · Elam_Jaybal April 26, 2022, 1:46pm 1. Hi All,. I am using duplicatePage formula to copy page to ...
I'd like to ask is whether there is a method to query VirtualCenter to check whether the VM hostname exists, prior to issuing get-vm command.
Jul 19, 2012 ... What is the simplest scriptable way to check whether a shell variable is exported? ... For some shell sessions I want to be able to print a ...

Alternatives:

to determine if
to verify whether
to ascertain whether
to confirm if
to establish if

This phrase is correct but less commonly used in English.

"to check whether or not "

This phrase is also used to introduce a clause that states a condition or possibility that is being investigated or verified, but it includes an unnecessary redundancy with "or not."

Examples:

I need to check whether or not the store is open before I go there.
She will check whether or not the assignment is due tomorrow.
We should check whether or not the information is accurate.
He wants to check whether or not the package has arrived.
Can you check whether or not the meeting is still scheduled for tomorrow?

Show examples from the web [+]

What is a good algorithm to check whether or not a number exist in multiple sets without searching them all? No problem. We won't show you ...
How to check whether or not a dynamic property exists. No problem. We won't show you that ad again. Why didn't you like it? Uninteresting
In this article, we'll tell you how to check whether or not your Android device has root access. What is root access? The Android operating system is based off of ...
Let's pretend that you're writing a Ruby program of your own and you want to check whether or not a file exists. If you look through this Ruby documentation, you ...

Alternatives:

to determine if
to verify whether
to ascertain whether
to confirm if
to establish if

How TextRanch works

Fast and reliable proofreading, editing, and language advice tailored to your needs.

1. Choose Your Service

Quick Text Editing

Emails and short texts
Proofreading & editing
Ready in 5-10 minutes

SUBMIT YOUR TEXT NOW

Document Editing

Documents of any type (*.docx)
Advanced & Premium editing
Ready in as little as 4 hours

UPLOAD YOUR DOCUMENT

Ask an Editor

Personalized answers to your language questions
Expert guidance on grammar, style, and usage
Ready in 24 hours

ASK YOUR QUESTION

Upload your document or paste your text directly into our platform. Your text is reviewed and refined by our expert editors (real people, not machines) who understand the nuances of English. Expect corrections, improvements, and insightful suggestions that enhance the clarity, tone, and professionalism of your writing.

3. Receive Your Polished Text

In just a few minutes (or hours for longer documents), you'll receive your corrected text. Review the changes, make any final adjustments, and confidently share your polished English with the world.
You can count on a personalized, friendly service every time you use TextRanch. We're committed to helping you make a great impression with every word you write.

We proofread and edit these types of texts and documents:

Short texts Business Emails Personal Emails Social media posts Resume and Curriculum Vitae Business documents Sales proposal Research and academic papers Thesis Dissertation Essays Articles Blog posts and much more....

Why choose TextRanch?

Complete Privacy

Your texts are safe and secure with us. We never share your information with third parties.

Affordable Pricing

No subscription fees and rates up to 50% cheaper than other online editing services.

100% Satisfaction

We guarantee that you'll be satisfied with the quality of our service or your money back.

Top Customer Service

Our team is here to help you with any questions you may have. Contact us anytime.

Our Customers Love Us!

We have an average rating of 4.79 stars based on 283125 votes, and

4.9 Excellent - Reviews 2.137

"7 years without any disappointment. Always 100% satisfied. You guys are the best in the world at what you do. Thank you so much :)"

Zubair
from Bangladesh

"I wasn't aware of this service, it's fascinating and more reliable than standard IA tools available on the internet"

Arturo
from Mexico

"In a world of text messages and online communication, this is great to have as a live tool. Thank you."

Selena
from USA

"Wow, it's just so excellent. I never would have believed I could have a sure and excellent English companion. Thanks, TextRanch."

Ifiok
from Nigeria

"This is my first time using TextRanch, and I like how the editors take time to correct my text. To everyone who has never used TextRanch before, I highly recommend trying it."

Wilson
from France

"It is an amazing source of feedback because, as a non-native speaker, I really need to have a reliable helper correct my text."

Susan
from Germany

to check whether vs to check whether or not

"to check whether "

"to check whether or not "

Related Comparisons

2. Submit Your Text

3. Receive Your Polished Text