How to cut a mattress?

How to cut a mattress?


Cutting a mattress may seem like an unusual task, but there are instances where it becomes necessary. Whether you need to resize a mattress to fit a specific space or repurpose an old mattress for a different use, knowing how to cut a mattress properly is essential. In this article, we will explore the step-by-step process of cutting a mattress, the tools you will need, and some important considerations to keep in mind.

Tools and Materials

Before you begin cutting a mattress, gather the necessary tools and materials. Here’s what you’ll need:

1. Measuring tape: Measure the dimensions you want to cut the mattress to ensure accuracy.

2. Marker or chalk: Use a marker or chalk to mark the cutting lines on the mattress.

3. Utility knife or electric carving knife: A utility knife with a sharp blade or an electric carving knife works best for cutting through the mattress layers.

4. Scissors: Scissors can be handy for cutting through any fabric or upholstery on the mattress.

5. Safety goggles and gloves: Protect your eyes and hands while cutting the mattress.

Step-by-Step Process

Now that you have the necessary tools, let’s dive into the step-by-step process of cutting a mattress:

Step 1: Measure and mark
Using a measuring tape, measure the dimensions you want the mattress to be. Mark the cutting lines on the mattress using a marker or chalk. Ensure your measurements are accurate to avoid any mistakes during the cutting process.

Step 2: Prepare the mattress
Place the mattress on a flat and stable surface. If possible, elevate it to a comfortable working height. Ensure there is enough space around the mattress to maneuver while cutting.

Step 3: Cut through the fabric and upholstery
If your mattress has any fabric or upholstery covering, use scissors to cut through it along the marked lines. Be careful not to damage the underlying mattress layers while cutting through the fabric.

Step 4: Cut through the mattress layers
Using a utility knife or an electric carving knife, carefully cut through the mattress layers along the marked lines. Apply steady and even pressure to ensure a clean cut. Take your time and make sure to follow the marked lines accurately.

Step 5: Inspect and clean up
Once you have cut through the mattress, inspect the edges to ensure they are even and clean. Trim any uneven sections if necessary. Clean up any debris or loose materials from the cutting process.


While cutting a mattress, there are a few important considerations to keep in mind:

1. Safety first: Always prioritize your safety by wearing goggles and gloves to protect your eyes and hands from potential injuries.

2. Warranty implications: Cutting a mattress may void any existing warranties, so be aware of the consequences before proceeding.

3. Professional assistance: If you are unsure about cutting a mattress yourself or if you have a specialized mattress type, it is advisable to seek professional assistance to avoid any damage.

4. Repurposing options: Before cutting a mattress, consider alternative options for repurposing it. Donating or recycling the mattress may be a more sustainable choice.


Cutting a mattress requires careful planning, accurate measurements, and the right tools. By following the step-by-step process outlined in this article, you can successfully resize or repurpose a mattress to suit your needs. Remember to prioritize safety, consider warranty implications, and explore alternative options before proceeding with cutting a mattress.


– Sleep Advisor:
– The Spruce:
– Mattress Clarity: