How to Adjust Display Scaling and Font Size on a Tablet

What display scaling does

Display scaling adjusts the size of everything the operating system draws, including text, icons, buttons, and menu items, without changing the physical screen size. It works by rendering a virtual resolution that is then mapped to the panel. Most tablets ship with a default scaling that aims for a balance between information density and readability. On a small screen, that default may make text too small for some users, while on a large high-resolution screen, the default may make everything too large.

Scaling is separate from font size. Font size changes only the text elements, while display size affects the whole interface. Some operating systems combine these into one menu, while others keep them separate. Understanding the difference helps you fine-tune the experience.

Why adjust scaling and font size?

Readability is the primary reason. Eyes can strain when text is too small, especially when the tablet is held at a normal reading distance. Raising the font size or display scaling reduces squinting and makes the tablet more comfortable for reading articles, emails, and e-books. It also helps people with low vision use a wider range of apps.

Accessibility features in operating systems often include options to enlarge text, increase contrast, and use zoom. These features go beyond basic scaling and are useful for users with visual impairments. For example, Android and iPadOS both provide dedicated accessibility menus for display adjustments.

Another reason is ergonomics. A larger text size means fewer accidental taps, because touch targets are larger. This is helpful when using the tablet with a keyboard case or while standing.

Adjusting scaling on Android

On Android tablets, open the Settings app and go to Display. Look for Font size and Display size. Font size controls the text scale, while Display size scales the entire interface. The option can be labeled differently on some devices because manufacturers customize the Android user interface; the underlying functionality is defined by the Android Open Source Project.

You can also find additional display options under Accessibility > Display size or Text and display. If you want a temporary zoom, use the magnification gesture in tablet accessibility features. This lets you zoom in without changing the system settings.

• Open Settings.
• Tap Display.
• Select Font size and/or Display size.
• Adjust the slider to preview the change.
• Tap Done to apply.

Adjusting scaling on iPadOS

On iPads, go to Settings > Display & Brightness. You will see Text Size, which changes the text across supported apps. There is also an option called Display Zoom on iPads that have a Home button; it offers two modes: Standard and Zoomed. With Zoomed, the interface appears larger, effectively increasing the scaling. On newer iPads without a Home button, Display Zoom may not be available, but you can use Accessibility settings.

For more granular control, go to Settings > Accessibility > Display & Text Size. There you can adjust Bold Text, Larger Text, and a slider for text size. The larger text options allow you to go beyond the standard Text Size setting, and they work with apps that support Dynamic Type.

Adjusting scaling on Windows tablets

Windows tablets, including Surface devices, have a scaling setting under Settings > System > Display. The Scale and layout section offers a drop-down menu with recommended scaling percentages, usually from 100% to 250%. You can also use the custom scaling option to enter an exact value. This scaling affects text, apps, and windows.

In addition, Windows has Ease of Access settings under Settings > Accessibility > Text size, where you can change the global text size independently of scaling. This is useful if you only want larger text but keep the rest of the interface at the same size.

Browser zoom and app-specific settings

Most browsers on tablets have a zoom function that enlarges a web page. On Android, you can enable force zoom in Chrome's settings, which allows zooming on all pages, even those that block pinch zoom. On iPadOS, Safari offers page zoom in the share menu or via settings. On Windows, you can use keyboard shortcuts Ctrl and + or use the browser's menu.

Many apps also have their own text size sliders, especially e-book readers and news apps. If an app does not respond to the system text size, check its settings for a built-in option. For example, Kindle and Apple Books have independent font size controls.

Resolution vs. scaling

Resolution is the number of physical pixels on the screen. Scaling determines how many virtual pixels the operating system uses. Lowering the resolution on a tablet makes everything appear larger, but it can reduce sharpness because the display is not running at its native pixel grid. Raising the scaling in the operating system is usually better because it keeps the resolution native and uses the GPU to redraw at a larger scale.

Some tablets allow you to change the resolution directly, but this is less common than on laptops. In most cases, you should work with the scaling and font size settings rather than changing the resolution. If you do change resolution and text looks blurry, revert to the recommended resolution and use scaling instead. For more on resolution, see our guide on screen resolution.

Troubleshooting scaling issues

After adjusting scaling, you may notice that some apps do not scale properly, especially older ones. This can happen on Android and Windows. On Android, you can force apps to respect the display size by enabling 'Override force-dark' or using developer options to set the smallest width to a specific dp value. However, this is advanced and not recommended for most users.

On Windows, if an app becomes blurry, you can right-click its shortcut, go to Properties > Compatibility, and select 'Override high DPI scaling behavior.' Choose 'Application' from the drop-down.

If you want to revert to default settings, go back to the Display or Accessibility menu and reset the sliders. On Android, tap 'Reset settings' or return the sliders to their default position. On iPadOS, choose 'Standard' under Display Zoom or slide the text size back to the default.

What to pick for your use

Questions

Will increasing the font size make text blurry?

No, because the tablet redraws text at a larger size. It may reduce the amount of content visible on screen, but sharpness remains intact as long as the resolution is unchanged.

Can I adjust scaling on all Android tablets?

Most Android tablets have display size and font size settings, but some budget models may hide them. Check the Accessibility menu if you cannot find them.

Does changing scaling affect battery life?

Scaling itself has a negligible effect on battery life. However, if you lower resolution, the GPU may render at a lower load, but the difference is usually minor.

How do I reset display settings if I make everything too large?

Go back to the Display or Accessibility menu and move the sliders to the default position. On iPadOS, choose 'Standard' under Display Zoom. On Windows, set the scaling to the recommended percentage.

Why do some apps ignore my system font size?

Some apps, especially games and video apps, render their own interface and do not respond to system text size settings. Use the app's internal settings if available.