Best size for a logo

The short answer: a vector logo has no single best size

A logo built as true vector artwork has no fixed size. Its shapes are described mathematically, so the same file can be scaled up or down without losing sharpness. The useful question is how large the logo should appear in a given placement, such as a website header, a mobile navigation bar, a favicon or a printed document. The answer depends on that context, the shape of the logo and the space around it.

This article focuses on horizontal lockups, the wide arrangement in which a symbol sits beside a wordmark, and on how that arrangement is sized on websites and in responsive layouts. No specific measurements, pixel dimensions or published standards were supplied for this article, so it describes principles rather than recommending fixed numbers. Any pixel values you use should come from your own layout, your brand guidelines or the platform you are publishing to.

Why there is no universal average logo size

People often search for an average logo size in the hope of finding one safe number. In practice, logos vary too much in proportion for an average to be meaningful. A horizontal lockup may be several times wider than it is tall, while a stacked or square mark is close to equal in both directions. If both are given the same width, the wide lockup becomes very short and its wordmark may become hard to read, while the square mark looks oversized.

For this reason, horizontal lockups are usually easier to size by controlling height rather than width. Setting a consistent height keeps the lockup in proportion with the navigation, buttons and text around it, and the width follows from the logo's own aspect ratio.

Sizing a horizontal lockup for a website

The best size for a logo on a website is the size at which its smallest meaningful detail stays legible while the logo still fits comfortably in its container. For a horizontal lockup, that smallest detail is usually the wordmark text or a fine line in the symbol. Practical checks include the following.

• Legibility: the wordmark should remain readable at the size it actually renders, not only in the design file.
• Clear space: leave the protected margin defined in the brand guidelines, if one exists, so the logo is not crowded by navigation links or the edge of the screen.
• Hierarchy: the logo should be prominent enough to identify the site without overpowering the page content or primary actions.
• Container fit: check the header at narrow and wide viewport widths, since a wide lockup that fits on a desktop may collide with menu items on a phone.
• High-density screens: if you export a raster version, produce it at a multiple of the display size so it stays crisp on high-resolution displays.

Responsive layouts and alternate lockups

A horizontal lockup can only shrink so far before its text becomes unreadable. Many brand systems handle this by providing alternate versions: a full horizontal lockup for wide screens, a stacked version for moderate space, and the symbol alone for very small spaces such as mobile headers, app icons and browser tabs. Switching between these at defined breakpoints usually works better than scaling one lockup down until it fails.

If your brand does not already have approved alternate versions, creating them means modifying the artwork. Being able to download a logo does not grant permission to rearrange it, separate the symbol from the wordmark, substitute fonts or use the trademark in new ways. Check the brand guidelines or obtain approval from the owner before producing new variants.

Vector artwork, embedded images and raster previews

The claim that a logo scales without limit only holds if the file actually contains vector paths. A file with a vector format extension, such as SVG, EPS, AI or PDF, can still contain an embedded raster image, in which case it behaves like a photo and will blur or pixelate when enlarged. Some files also include only a raster preview for thumbnails. The filename or extension alone does not confirm editable vector artwork; open the file in a vector editor and inspect whether the logo is made of paths and shapes.

File situation | How it scales | Practical implication

True vector paths | Scales to any size without loss of sharpness | Can be exported at whatever size each placement needs

Vector file with embedded raster image | Limited by the resolution of the embedded image | Treat it as a raster file; request the original vector artwork

Raster export (such as PNG or JPG) | Sharp only up to its pixel dimensions | Export at or above the largest display size required

For websites, a clean SVG with genuine vector paths is generally the most flexible way to deliver a logo, because the browser renders it sharply at whatever size the layout assigns. Text in the logo should be converted to outlines or the font should be properly licensed for web embedding; otherwise the wordmark may render in a fallback font on visitors' devices.

What this article could not confirm

No verified pixel dimensions, platform specifications or industry measurements were available for this article. If you need exact figures, such as the required size for a specific website theme, social media profile or app store listing, take them from that platform's current documentation or from your organization's brand guidelines rather than from general averages.