How to Say ‘I am not sure’ at Work

When you are not sure about something at work, saying “I am not sure” can sometimes sound hesitant or unprepared. The direct answer is to use a phrase that matches your situation: for a quick, polite response in conversation, say “I need to check that” or “Let me confirm.” For a more formal email, write “I am not entirely certain, but I will look into it.” This guide gives you the exact phrases, examples, and practice you need to sound confident and professional.

Quick Answer: What to Say Instead

Here are the best alternatives for “I am not sure” at work, organized by situation:

• In a meeting: “I want to double-check that before I answer.”
• In an email: “I am not fully certain, but I will verify and get back to you.”
• To a colleague: “Let me look into that and come back to you.”
• To a manager: “I need a moment to confirm the details.”
• In a casual conversation: “I am not 100% sure, but I think it might be…”

Why “I am not sure” Can Be a Problem at Work

The phrase “I am not sure” is not rude, but it can make you sound uncertain or less confident. In a professional environment, you want to show that you are careful and responsible, not that you lack knowledge. Using a more specific phrase helps you:

• Buy time to find the correct answer.
• Show that you are proactive about solving the problem.
• Maintain a professional tone even when you do not know something.

Formal vs. Casual Alternatives

Choosing the right phrase depends on your workplace and the person you are speaking to. Below is a comparison table to help you decide.

Natural Examples

Here are real-life examples of how to use these phrases in different workplace situations.

In a Team Meeting

Instead of: “I am not sure about the deadline.”
Say: “I want to double-check the deadline before we finalize it.”

In an Email to a Colleague

Instead of: “I am not sure if this is correct.”
Say: “I am not entirely certain about this figure. Let me verify and update you.”

When a Manager Asks a Question

Instead of: “I am not sure.”
Say: “I need a moment to confirm the details. I will get back to you shortly.”

In a Casual Chat with a Coworker

Instead of: “I am not sure what time the training starts.”
Say: “I am not 100% sure, but I think it starts at 2 PM. Let me check the email.”

Common Mistakes

English learners often make these mistakes when trying to express uncertainty at work.

Mistake 1: Using “I am not sure” Without a Follow-Up

This leaves the listener waiting. Always add what you will do next.

Wrong: “I am not sure about the budget.”
Right: “I am not sure about the budget. Let me check the report.”

Mistake 2: Over-Apologizing

Saying “I am sorry, I am not sure” too often can make you seem less confident.

Wrong: “I am sorry, I am really not sure about this.”
Right: “I need to confirm that. I will get back to you.”

Mistake 3: Using “Maybe” Too Much

“Maybe” sounds vague and unprofessional in a work setting.

Wrong: “Maybe it is correct, but I am not sure.”
Right: “I am not fully certain, but I will verify.”

Better Alternatives for Specific Situations

Here are more alternatives organized by when to use them.

When You Need Time to Find the Answer

• “I need to look into that.”
• “Let me research that and get back to you.”
• “I will check and confirm.”

When You Are Partially Sure

• “I believe so, but let me confirm.”
• “I think it is correct, but I want to double-check.”
• “To the best of my knowledge, yes, but I will verify.”

When You Want to Be Polite but Direct

• “I am not entirely certain about that.”
• “I cannot say for sure right now.”
• “I am not in a position to confirm that at the moment.”

Mini Practice Section

Test your understanding with these four questions. Choose the best alternative for each situation.

Question 1

Your manager asks if the report is ready. You are not sure.

What do you say?
A. “I am not sure.”
B. “Let me check the status and get back to you.”
C. “Maybe it is ready.”

Answer: B. This shows you will take action.

Question 2

A client asks about a price. You need to confirm.

What do you say in an email?
A. “I am not sure about the price.”
B. “I need to verify the pricing. I will update you shortly.”
C. “I think it is $100.”

Answer: B. This is professional and clear.

Question 3

A coworker asks for a file. You are not sure where it is.

What do you say?
A. “I am not sure where it is.”
B. “Let me look for it and let you know.”
C. “I don’t know.”

Answer: B. This is helpful and polite.

Question 4

You are in a meeting and someone asks a question you cannot answer immediately.

What do you say?
A. “I am not sure.”
B. “I want to double-check that before I answer.”
C. “I have no idea.”

Answer: B. This sounds confident and responsible.

Frequently Asked Questions

1. Is it ever okay to say “I am not sure” at work?

Yes, but only in very casual conversations with close colleagues. In most professional situations, it is better to use a phrase that shows you will find the answer.

2. What is the most professional way to say “I am not sure”?

The most professional way is to say “I need to verify that” or “I am not entirely certain, but I will confirm.” This shows responsibility and action.

3. Can I use “I am not sure” in an email?

It is better to avoid it. Instead, write “I am not fully certain about this, so I will check and get back to you.” This sounds more careful and professional.

4. How do I say “I am not sure” without sounding rude?

Always add a follow-up action. For example, “I am not sure, but I will find out for you.” This turns uncertainty into helpfulness.

Final Tip

Practice using one new phrase each day. Start with “Let me check on that” in a meeting or “I need to verify” in an email. Over time, these phrases will feel natural, and you will sound more confident and professional at work.

For more workplace speaking tips, visit our Workplace Speaking Phrases section. If you have questions, check our FAQ or contact us.