How to Cut a Mirror: A Step-by-Step Guide

Hello there, mirror enthusiasts! If you’re looking to upgrade your home decor or need to replace a mirror, you might be wondering how to cut a mirror. Don’t worry, it’s not as complicated as it sounds! In this article, we’ll walk you through the process of cutting a mirror safely and efficiently.

Tools and Materials Needed

Before we dive into the steps of cutting a mirror, let’s go over the tools and materials you’ll need. – Safety glasses – Glass cutter – Ruler or straight edge – Marker or grease pencil – Glass pliers or running pliers – Sandpaper – Mirror adhesive – Gloves

Step-by-Step Guide

Now that you have all the necessary tools and materials, here’s how to cut a mirror in 7 easy steps:

1. Measure the mirror. Use a ruler or straight edge to measure the mirror and mark the measurements on the protective backing of the mirror. Be sure to mark where you want to cut the mirror.

2. Score the mirror. Using a glass cutter, score the mirror along the line where you marked it. Make sure to apply even pressure and run the glass cutter along the entire line. You should hear a smooth, continuous sound when you’re done.

3. Break the mirror. Put on your gloves and use glass pliers to gently break the mirror along the scored line. You can also use running pliers to break the mirror if you prefer. Be sure to break it evenly and smoothly.

4. Sand the edges. Use sandpaper to smooth the edges of the mirror. This will help prevent any accidental cuts and make the mirror look more polished.

5. Clean the mirror. Use a soft cloth and a mixture of water and vinegar to clean the mirror. This will remove any dirt or debris from the cutting process.

6. Apply adhesive. Apply mirror adhesive to the back of the mirror where you want to attach it. Follow the instructions on the adhesive carefully.

7. Hang the mirror. Once the adhesive has dried, hang the mirror in your desired location. Enjoy your newly cut mirror!


– Be sure to wear safety glasses and gloves to protect yourself during the cutting process.- Practice makes perfect! If you’re new to cutting mirrors, try practicing on a small piece of glass first.- Don’t rush the process. Take your time and be patient when scoring and breaking the mirror.- Use a straight edge or ruler to ensure your cut is straight and even.- Always follow the instructions on your mirror adhesive carefully.


Cutting a mirror may seem daunting, but with the right tools and a little bit of practice, it can be a relatively easy process. Remember to always take safety precautions and follow the steps carefully. Now, go ahead and cut that mirror you’ve been eyeing for your home decor project! Thank you for reading, and we’ll see you in the next article.