Best Length Cold Email

Published on November 15, 2023 by David Zhang

Best Length Cold Email

In the digital age, cold emailing remains an effective tool for generating leads, building relationships and driving sales. However, crafting the perfect cold email can feel like searching for a needle in a haystack. And one particular factor that continues to puzzle sales professionals and marketers alike is the optimal length for a cold email. How much is too much? And how brief is too brief?

This article will uncover the ins and outs of cold emailing and guide you through identifying the best length for your cold email campaigns.

Understanding the Importance of Length in Cold Emails

Why does length matter? It's simple: attention spans are short and competition in inboxes is fierce. Your recipient likely receives dozens, if not hundreds, of emails daily; your message needs to cut through the noise.

A long, rambling email can deter a reader even before they've begun, while a message that's too concise may not convey enough value to interest the recipient. Finding that goldilocks zone of "just right" is essential for engaging prospects and driving action.

The Sweet Spot: Recommended Length for Cold Emails

After synthesizing various studies and real-world experiments, the consensus is that a cold email should ideally be between 50 to 125 words. This length allows enough space to provide value and personalize your message while maintaining brevity to respect the recipient's time.

Crafting Your Email: A Breakdown by Section

Subject Line: Keep It Snappy

With only a few seconds to capture attention, your subject line should be a maximum of 6-10 words. It should entice curiosity or offer value without giving away the entire content of the email.

Salutation: Make a Personal Connection

Begin with a simple "Hi [Name]," or another appropriate greeting. Personalization goes a long way — use the recipient's first name to create immediacy and build a connection.

Opening Line: Be Direct and Relevant

Get to the point immediately by relating to the recipient's current situation. This could be as simple as stating "I saw your latest post on [platform], and I thought…" This approach shows you've done your homework and you value their time.

Body: Deliver Your Value Proposition

In no more than four sentences, directly lay out the value you bring. Address a pain point, offer insight, or provide a direct benefit to the reader. Avoid jargon and fluff — clear, concise language is king.

Call to Action (CTA): Create Urgency

End your email with a compelling CTA that prompts the recipient to take a specific action. Whether it's to schedule a call, provide feedback, or check out a resource, make it clear what you want them to do next — and make it tantalizingly easy to do it.

Signature: Keep It Professional and Informative

Your signature should reaffirm professionalism and provide the reader with an easy way to learn more about you. Include your full name, position, company, and contact information.

Applying This Formula: A Real-World Example

Let's put these guidelines into action with a cold email example:

Subject: Streamline Your Workflow - Quick Question

Hi [Name],

I noticed your team's been expanding - congrats! Quick question: As you scale, how are you ensuring your project management stays efficient?

At [Your Company], we've helped teams like yours save 10 hours per week on average with our intuitive platform. I believe it could align well with your current needs.

Could we set aside 15 minutes this week to discuss a few time-saving strategies?

Best, [Your Name] > [Your Position] > [Your Company] > [Your Contact Information]

Tracking, Testing, and Tweaking Your Emails

Crafting the ideal cold email isn't a one-and-done process. It requires constant tweaking and testing to see what resonates with your target audience. A/B testing different lengths and content structures can provide valuable insights into what works best for your prospects.

Utilizing AI and Technology

Tools like Aomni harness artificial intelligence to analyze and tailor your outreach, ensuring your messaging hits the right notes without guesswork. By leveraging technology to streamline the process and data analysis, you can make informed, data-driven decisions.


The optimal cold email length is a strategic balance between conciseness and substance. By aiming for 50-125 words, structuring your content smartly, personalizing your message, and utilizing a strong CTA, your cold email can stand out in a sea of inbox clutter. The key is to engage quickly, deliver value, and make responding as frictionless as possible. Remember to test and refine your approach based on feedback and analytics for the best results.

In the world of cold emailing, less is often more. Craft your message carefully, always keeping the recipient's perspective at the forefront. Through continuous improvement and the right tools at your disposal, you can master the art of the cold email and drive tangible results for your B2B startup.

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