Email Newsletter Sizes

Sep 02, 2025

Email newsletters sizes come in different varieties, all of which pertain to a certain topic that is of common interest to its recipients. As some readers may have a lot of other emails in their inboxes, you need to create a newsletter worthy of their time, one that is direct to the point and not too lengthy.

Email newsletter sizes are crucial for delivering content that looks great and performs well across all devices. The right dimensions ensure your layout is clean, easy to read, and optimized for engagement—whether viewed on desktop or mobile. In this guide, we’ll explore standard email newsletter sizes for different formats and industries. Perfect for marketers, designers, and businesses aiming to boost open rates and reader interaction with perfectly sized email campaigns.

Element	Recommended Size (Pixels)	Description
Email Width	600 px	The most widely used and email-client-friendly width
Max Width (Desktop)	640–700 px	Safe range for wider screens without horizontal scrolling
Mobile Width	320 px – 480 px	Responsive version that displays correctly on smartphones
Header Image	600 × 200 px	Ideal for branding or title image
Body Content Width	600 px	Ensures compatibility across major email clients
Full Banner Image	600 × 300 px	Good size for full-width promotional banners
Sidebar Image	150–250 px wide	If using sidebars, keep images slim for a clean layout
Footer Width	600 px	Match the body width for consistency
CTA Button Size	At least 44 × 44 px	Meets mobile tap area guidelines for accessibility

Width – 600 pixels to 700 pixels
Height – 1500 pixels to 3000 pixels
Email File Size – 170 KB to 1 MB
Email Banner – 600 x 730 pixels to 700 x 1730 pixels
Content Block – 800 pixels to 1200 pixels

Platform	Recommended Size (px)	Max File Size	Notes
Google Mail	600 × 2500 px	≤ 102 KB	Ensure responsive layout; ideal for long-scroll newsletters
Yahoo Mail	600 × 860 px	≤ 100 KB	Best for shorter, direct emails with simple formatting
Microsoft Outlook	600–750 px width	≤ 102 KB	Use inline CSS and tables for compatibility; avoid background images
Apple iCloud Mail	Varies (20 MB total limit)	≤ 20 MB (including attachments)	Good for high-res images and larger files if needed

Google Mail

When using Google Mail to send out newsletters, the standard size is 600 px by 2500 px, and the file size should never go beyond 102 KB.

Google Mail

Yahoo Mail

The ideal size of email newsletters when disseminating them using Yahoo Mail is 600 px by 860 px, and the file size should not exceed 100 KB.

Yahoo Mail

Microsoft Outlook

A lot of companies and businesses use Microsoft Outlook to send email newsletters and to create the best size, set the newsletter at a standard width of 600 px to 750 px. The recommended email size is not more than 102 KB.

Microsoft Outlook

iCloud Mail

For Apple users, iCloud mail lets you send and receive messages that are up to 20 MB in size, which already includes the message text as well as any file attachments.

iCloud Mail

If you need to print an email newsletter, the ideal size is around 11” x 17” (4 pages) and 8.5” x 11” (2 pages). Without an envelope, you’ll need to fold them down to a final size of 5.5” x 8.5” to meet mailing standards.

Email Sizes for Print

Newsletter templates intended for business purposes may follow the standard width of 600 px, length of not more than 3000 px, and file size below 1 MB. The best way to do this is by attaching the newsletter to the email as a PDF or JPG file.

Email Newsletter Sizes for Business

Email News Sizes for Adobe Photoshop

If you need to design an email newsletter using Adobe Photoshop, it is recommended that you set the defined width to around 620 total pixels.

Email News Sizes for Adobe Photoshop

The ideal dimensions for creating an email newsletter using Adobe Illustrator still fall within the standard measurement, which is 600 px and up.

Email Newsletter for Adobe Illustrator

FAQs

What Is the Size of an Email Newsletter?

Most email newsletters follow a standard dimension of around 550 to 650 px for the width and the main content is written within the top 300 to 500 px.

What’s the Best Email Newsletter Length?

The ideal newsletter length should be between 20 lines or less, and between 600px to 3000px.

How to Change the Size of an Email Newsletter in Photoshop?

Open Photoshop, create a new file, then you will find settings where you can customize your preferred size.

What Is the Paper Size of a Newsletter?

The standard paper size for a newsletter for US letter size is 8.5″ x 11″, or a tabloid size of 11″ x 17″.

What Is the Best Size of an Email Newsletter in Pixel?

Preferred email newsletter size 600 pixels or 650 pixels.

How Do You Change an Email Newsletter Font Size?

Simply open the editing application, go to the format setting, and choose the font size for the specific texts.

What Is the Printer Size of an Email Newsletter?

Printers may support the size of 8.5″ x 11″ yet some printers can be set to print out newsletters to fit the dimensions you need.

What Is the Best Image Size for an Email Newsletter?

The best image size for an email newsletter is 600 px to 650 px.

How to Design an Email Newsletter in Perfect Dimensions?

To capture the perfect dimensions, open the editing application, rearrange the details, and change the dimensions while constantly ensuring that all the content fit the newsletter.