How to Change Font Size in WordPress

How to Change Font Size in WordPress

Ever found yourself squinting at your screen, trying to make out the text on your WordPress site? You’re not alone. Changing the font size in WordPress can dramatically improve readability and user experience, making your content more accessible and engaging. I’ve been there, tweaking and tuning, and I’m here to guide you through the process.

Why is font size important in WordPress?

When I’m browsing websites, one thing that stands out to me is how easy the content is to read. This isn’t just a personal preference; it’s backed by research. The font size on your WordPress site plays a crucial role in user engagement and readability. If your text is too small, visitors may struggle to read your content, which can lead to frustration and ultimately, them leaving your site. On the other hand, text that’s too large can appear overwhelming and unprofessional. Finding that sweet spot is key to maintaining a balanced and accessible website.

One aspect often overlooked is the impact of font size on SEO. Search engines, like Google, prioritize user experience. Websites that are easy to read and navigate tend to rank higher in search results. By adjusting your font size to improve readability, you’re not just helping your visitors; you’re also boosting your site’s SEO potential.

Furthermore, a well-chosen font size accommodates users across a broad spectrum, including those with visual impairments. With an aging population increasingly accessing the internet, ensuring your content is accessible to everyone is not just a nice-to-have; it’s a necessity. By leveraging responsive design that includes adaptable font sizes, your WordPress site can cater to users on any device, enhancing the overall user experience.

Incorporating these changes might seem daunting at first, but WordPress makes it relatively straightforward. Whether through theme customization, plugins, or manual CSS adjustments, increasing your site’s font size can be done with minimal hassle. Remember, the goal is to keep your audience engaged and comfortable. By prioritizing readability through font size adjustment, you’re taking a significant step towards creating a more inclusive and user-friendly website.

Understanding CSS and font size in WordPress

Diving deeper into the mechanics of WordPress and how it handles font sizes, it’s essential to grasp the role of CSS or Cascading Style Sheets. CSS is the backbone of website design, allowing me to customize the look and feel of my site, including font size, to match my vision perfectly.

Font size in WordPress can be adjusted in two main ways: through the theme’s built-in options or by manually editing the site’s CSS. Most themes offer a range of typography settings, which I find incredibly user-friendly. However, for precise control over my website’s typography, tweaking the CSS has always been my go-to method.

Editing the CSS for font size involves adding a few lines of code to the theme’s custom CSS section or a child theme’s stylesheet. The basic syntax to change the font size is quite straightforward. For example, to alter the font size of all paragraphs, I’d use the following code:

p {
font-size: 16px;

This code sets the font size of paragraph text to 16 pixels. The ‘px’ unit is the most common for web design, but other units like ‘em’ and ‘rem’ offer responsive design benefits. Using ‘em’ allows font sizes to scale relative to the parent element’s font size, while ‘rem’ scales relative to the root element’s font size. This flexibility is crucial for creating a responsive and accessible website that looks great on any device.

Moreover, understanding the hierarchy and specificity in CSS is vital. The cascade part of CSS means that styles are applied top down, and in case of conflicts, the most specific rule wins. This has a direct impact on how font sizes are applied, allowing me to fine-tune the typography across different elements for optimal readability and user engagement.

Incorporating these CSS techniques to adjust font size not only enhances the aesthetics and functionality of a WordPress site but also significantly improves user experience. Plus, becoming proficient in CSS editing can unlock further customization options beyond font size, offering endless possibilities to tailor a website to exact specifications.

Method 1: Changing font size through the WordPress Customizer

In my journey with WordPress, I’ve found the Customizer to be a game changer, especially for those of us seeking quick and effortless modifications. The WordPress Customizer allows you to preview changes in real-time, making it an ideal spot to adjust font sizes without diving into the complexities of CSS.

First things first, access the Customizer by navigating to Appearance > Customize from your WordPress dashboard. This area is packed with various settings, depending on your theme, but we’re particularly interested in the typography or font settings. Not all themes structure their options the same way, but most will have a section dedicated to Text Settings, Typography, or something similarly named.

Once in the relevant section, you’ll typically find dropdowns or sliders for adjusting font size. These controls are wonderfully intuitive, allowing you to see your changes as you make them. For instance, adjusting the body text size is as simple as moving a slider left or right until it’s just perfect. Similarly, headings can often be adjusted in the same way, ensuring harmonious typography throughout your site.

It’s worth noting that while the WordPress Customizer offers significant versatility, the range of font size adjustments available will depend on your theme. Some themes provide a broad spectrum of sizes for meticulous customization, while others might offer a more limited selection. If you find the options too restricting, remember, CSS editing is always an avenue for more granular control.

What makes the Customizer stand out is its user-friendliness and the instant feedback mechanism. You don’t need to refresh your browser or open a new tab; every change reflects immediately on the preview screen. This means you can experiment to your heart’s content, finding the perfect font size that enhances readability and aligns with your design goals without any guesswork.

By leveraging the power of the WordPress Customizer, you’re not just changing font sizes; you’re shaping the user experience. It’s about making your content accessible and enjoyable to read, which in turn, can help reduce bounce rates and increase time on site. Remember, even small adjustments can make a significant impact, and the Customizer puts that transformative power at your fingertips.

Method 2: Adjusting font size using CSS

For those who crave more control over their WordPress site’s typography, CSS offers unparalleled flexibility. I’ve found that tweaking font size directly with CSS can iron out inconsistencies across different elements and ensure your design remains pixel-perfect.

First off, accessing the CSS editor in WordPress is straightforward. By navigating to Appearance > Customize > Additional CSS, you’re presented with a field where custom styles can be input. Here’s a basic template I often use to adjust font size:

body {
font-size: 16px;

Adjusting the 16px value allows for precise control over the text size site-wide. However, for targeted adjustments, I recommend using specific selectors. For instance, to change the font size of all paragraphs, I’d use:

p {
font-size: 14px;

Furthermore, to ensure a cohesive look across various devices, employing responsive units like em or rem instead of pixels (px) is a wise strategy. This approach helps maintain readability and comfort across all viewing platforms.

Here’s a quick reference table for unit types:

Unit Description
px Absolute unit, fixed size.
em Relative to the font size of the element.
rem Relative to the font-size of the root element.
% Relative to the font-size of the parent element.

Implementing CSS changes may seem daunting at first, but the immediate impact it has on your site’s aesthetics and user experience can be profound. Remember, the goal is to enhance readability and ensure your content shines on every page. By judiciously applying CSS rules, you can achieve a level of customization that truly reflects your vision for the site.

Best practices for changing font size in WordPress

When it comes to modifying font sizes in WordPress, there are a few key best practices I always follow to ensure my website remains accessible and visually appealing to my audience.

First and foremost, consistency is critical. I make it a point to use a consistent font size for similar elements across all pages. This means heading sizes should follow a hierarchical structure, with H1 being the largest and sequentially smaller for H2, H3, and so on. Not only does this improve readability, but it also helps in maintaining a clean and professional look.

Another practice I swear by is testing font sizes on various devices. With the rise in mobile browsing, it’s essential to ensure that your text is easily readable on both desktop and mobile devices. This is where using responsive units like em or rem, as mentioned earlier, becomes invaluable. These units adjust the font size relative to the parent element or root font size, making your website more accessible across different screen sizes.

Accessibility should never be overlooked. I always aim to ensure that my text size is user-friendly for people with visual impairments. The Web Content Accessibility Guidelines (WCAG) recommend a base font size of 16px for body text. Anything smaller might be challenging to read for users with visual impairments.

Lastly, I recommend sparingly using custom fonts. While they can add personality to your website, they can also affect loading times and readability if not used judiciously. Always remember to test your font choices thoroughly to ensure they enhance your user’s experience rather than detract from it.

By adhering to these best practices, I’ve found that changing font sizes in WordPress not only improves the aesthetics of my site but also its usability. Keeping your audience’s needs at the forefront of your design choices is paramount for a successful website.


Adjusting font sizes in WordPress isn’t just about making your site look good—it’s about enhancing user experience and ensuring accessibility. I’ve learned through practice that keeping font sizes consistent and testing them across different devices pays off in the long run. Remember, it’s not just about what you think looks best, but what serves your audience’s needs most effectively. By prioritizing these aspects, you’ll not only improve the aesthetics of your site but also its usability. Trust me, your readers will thank you for it.

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