The phrase “good to know” is very common in English. People use it every day at work, in school, and in casual talks.
It shows that you understand new information and find it useful. But using the same phrase again and again can sound boring or unclear. Sometimes, it may even sound cold or too casual.
That is why learning other ways to say “good to know” is important. Different words change the tone. Some sound polite. Some sound professional. Others sound friendly or warm. Your word choice can help you sound confident, respectful, and fluent.
In this article, you will learn 20+ alternatives to “good to know” with clear examples. These phrases work in both formal and informal settings. English learners and professionals can use them to improve daily communication.
What Does “Good to Know” Mean?
“Good to know” means that you received new information and find it helpful or useful.
It often shows:
- Understanding
- Acknowledgment
- Mild interest or appreciation
Grammar Note
“Good to know” is a fixed phrase. It usually appears as a short response.
Example:
- The meeting starts at 9 a.m.
→ Good to know.
It is not a full sentence, but it is correct and natural in spoken English.
When to Use “Good to Know”
You can use “good to know” in many situations.
Common Contexts
- When someone gives you new information
- When you learn a rule, detail, or update
- When you want to respond quickly and politely
Spoken vs. Written
- Spoken: Very common and natural
- Written: Acceptable in casual messages, chats, or emails
Formal vs. Informal
- Informal: Very common
- Formal: Sometimes too casual, depending on tone
Is It Professional or Polite to Say “Good to Know”?
“Yes” — but it depends on the situation.
In Casual Settings
“Good to know” is friendly and polite. It works well with friends, classmates, and family.
In the Workplace
It is polite but can sound too brief. In emails or meetings, it may feel cold if used alone.
Better option: Add context.
- Good to know. Thanks for sharing this update.
Corporate Tip
In professional settings, use formal ways to say “good to know” to sound more respectful.
Pros and Cons of Using “Good to Know”
✅ Pros
- Easy and quick to say
- Very common and natural
- Works in many daily situations
❌ Cons
- Can sound boring if overused
- May feel cold or dismissive
- Not always professional enough
20+ Other Ways to Say “Good to Know” (With Examples)
Below are useful alternatives to “good to know”. Each phrase includes meaning, tone, and best use.
1. That’s helpful
Meaning: The information helps you.
Explanation: Shows clear value and appreciation.
Example Sentence: That’s helpful. Now I understand the process.
Best Use: Work, learning
Worst Use: Emotional situations
Tone: Neutral, professional
2. Thanks for letting me know
Meaning: You appreciate the update.
Explanation: Adds politeness and warmth.
Example Sentence: Thanks for letting me know about the delay.
Best Use: Business, emails
Worst Use: Very casual chats
Tone: Polite
3. I see
Meaning: You understand the information.
Explanation: Short and neutral response.
Example Sentence: I see. That makes sense now.
Best Use: Conversations
Worst Use: Formal writing
Tone: Neutral
4. That makes sense
Meaning: The information is clear.
Explanation: Shows logical understanding.
Example Sentence: That makes sense given the data.
Best Use: Discussions
Worst Use: Quick replies
Tone: Neutral
5. Understood
Meaning: You clearly understand.
Explanation: Direct and professional.
Example Sentence: Understood. I will follow the steps.
Best Use: Workplace
Worst Use: Friendly chats
Tone: Formal
6. Noted
Meaning: You have recorded the information.
Explanation: Often used in business talk.
Example Sentence: Noted. I’ll update the file.
Best Use: Emails, meetings
Worst Use: Casual talk
Tone: Formal
7. That’s useful information
Meaning: The info has value.
Explanation: Clear and polite response.
Example Sentence: That’s useful information for our team.
Best Use: Professional
Worst Use: Texting friends
Tone: Professional
8. I’ll keep that in mind
Meaning: You will remember the information.
Explanation: Shows future action.
Example Sentence: I’ll keep that in mind for next time.
Best Use: Advice situations
Worst Use: Urgent matters
Tone: Friendly
9. Good to hear
Meaning: You react positively to news.
Explanation: Often used for good updates.
Example Sentence: Good to hear that the issue is fixed.
Best Use: Casual, work
Worst Use: Bad news
Tone: Friendly
10. That’s clear
Meaning: You fully understand.
Explanation: Confirms clarity.
Example Sentence: That’s clear. Let’s move on.
Best Use: Meetings
Worst Use: Emotional talks
Tone: Neutral
11. Appreciate the update
Meaning: You value the new info.
Explanation: Polite and professional.
Example Sentence: I appreciate the update on the project.
Best Use: Emails
Worst Use: Casual chats
Tone: Formal
12. Thanks for the heads-up
Meaning: You were warned early.
Explanation: Informal and friendly.
Example Sentence: Thanks for the heads-up about traffic.
Best Use: Casual, work chats
Worst Use: Formal letters
Tone: Friendly
13. That’s interesting
Meaning: The info catches your attention.
Explanation: Shows curiosity.
Example Sentence: That’s interesting. Tell me more.
Best Use: Learning talks
Worst Use: Serious issues
Tone: Friendly
14. I’m glad to know
Meaning: You are happy to learn this.
Explanation: Warm and positive tone.
Example Sentence: I’m glad to know the problem is solved.
Best Use: Personal talks
Worst Use: Formal reports
Tone: Warm
15. Helpful to know
Meaning: The info has value.
Explanation: Short and polite phrase.
Example Sentence: Helpful to know before we start.
Best Use: Work, planning
Worst Use: Emotional topics
Tone: Neutral
16. That’s valuable
Meaning: The info is important.
Explanation: Shows respect for knowledge.
Example Sentence: That’s valuable feedback.
Best Use: Business
Worst Use: Casual talk
Tone: Professional
17. I wasn’t aware of that
Meaning: The info is new to you.
Explanation: Honest and polite.
Example Sentence: I wasn’t aware of that policy.
Best Use: Formal talks
Worst Use: Fast replies
Tone: Neutral
18. Thanks for the information
Meaning: Polite thanks for details.
Explanation: Clear and safe phrase.
Example Sentence: Thanks for the information you shared.
Best Use: Emails
Worst Use: Very casual chats
Tone: Polite
19. That’s good information
Meaning: Confirms usefulness.
Explanation: Simple and clear.
Example Sentence: That’s good information for planning.
Best Use: Work
Worst Use: Emotional support
Tone: Neutral
20. Much appreciated
Meaning: Strong thanks.
Explanation: Short but polite.
Example Sentence: Much appreciated. This helps a lot.
Best Use: Professional
Worst Use: Informal talk
Tone: Formal
21. I’ll take note of that
Meaning: You will remember it.
Explanation: Shows attention.
Example Sentence: I’ll take note of that suggestion.
Best Use: Meetings
Worst Use: Casual chats
Tone: Formal
Comparison Table: Top Alternatives to “Good to Know”
| Phrase | Tone | Best Use |
|---|---|---|
| Thanks for letting me know | Polite | Emails |
| Understood | Formal | Work tasks |
| That’s helpful | Neutral | Learning |
| I’ll keep that in mind | Friendly | Advice |
| Noted | Formal | Meetings |
| Good to hear | Friendly | Positive news |
FAQs About “Good to Know” and Its Alternatives
1. Is “good to know” rude?
No, but it can sound cold if used alone.
2. What is the most professional alternative?
“Noted” or “Thank you for the information.”
3. Can I use “good to know” in emails?
Yes, in casual or internal emails.
4. What is a friendly alternative?
“Good to hear” or “Thanks for the heads-up.”
5. How do I avoid sounding boring?
Rotate different synonyms for “good to know.”
Conclusion
Learning other ways to say “good to know” helps you sound more fluent and confident. Each phrase adds a different tone. Some sound polite.
Others sound friendly or professional. Choosing the right words makes communication clear and respectful. Try using new phrases in daily talks, emails, and meetings. With practice, your English will feel more natural and powerful.
David Jonson is an experienced English language writer who specializes in clear, practical, and learner-friendly content. He helps students and professionals improve their communication skills with confidence.