Now, when the aspect ratio of this image is locked, then no matter how much you increase or decrease the size of either its width or the height, the ratio of width to the height of this image will always remain 3:2.

When you actually divide the two numbers (using a calculator), the result will be equal to 1.5 or 3:2. In other words, the aspect ratio of the image would be considered as 28.58/19.05. Thus, the aspect ratio of the image can be calculated by dividing the width by its height. The dimensions of the above image are 28.58 units wide and 19.05 units high. Finally, you can see the dimensions right next to the crop option. You can check the dimensions of an image in PowerPoint, by first clicking on the image. Let’s take an example to understand this better. Locking the aspect ratio of an image in PowerPoint basically means that the image will always increase or decrease in its height or width proportionately. What does Lock Aspect Ratio Mean?īefore we understand how exactly can you lock the aspect ratio of an image, let us first make sure we know what exactly is the meaning of locking the aspect ratio. However, when it comes to PowerPoint slides, these can only be created either in a 4:3 aspect ratio (known as the standard size slide) or a 16:9 aspect ratio (known as the widescreen slide size). There are multiple different aspect ratios that exist. A 16:9 aspect ratio would thus mean that the picture is 16 units wide by 9 units high. For example, a 4:3 aspect ratio simply means that the image is 4 units wide by 3 units high. What is an Aspect Ratio?Īspect ratio is a ratio that refers to the width of a picture in relation to its height. But first, you may need to know what an aspect ratio is. We’ll get to the bottom of this in just a moment. On the dialogue box that opens, click on “Size & Properties”, and tick the “Lock Aspect Ratio” option. So how do you lock the aspect ratio of a photo in PowerPoint? Simply select the picture and right click on it. We are often asked, “How do you proportionally resize an image in PowerPoint?” The secret lies in locking the aspect ratio of an image. One of the most common mistakes that people make in PowerPoint is unknowingly distorting or stretching the images.

Image resize aspect ratio