How Can I Tell What Size Mattress I Have?

Ever found yourself pondering, “What size is my bed?” You’re not alone. Identifying your mattress size can be surprisingly tricky, but it’s crucial when buying new bedding or considering a bed upgrade.

In this guide, we’ll explain how to measure your bed size accurately.

Understanding Mattress Sizes

When you’re trying to recognize bed dimensions, it’s essential to know that mattress sizes are standardized in most countries, including the United States.

Standard Bed Sizes

Here’s a rundown of standard bed sizes. These are crucial in understanding mattress sizes:

  • Twin bed: 38″ x 75″
  • Full bed (also known as Double): 54″ x 75″
  • Queen bed: 60″ x 80″
  • King bed: 76″ x 80″
  • California King bed: 72″ x 84″

Mattress Size Chart

A mattress size chart is a great tool to help you visualize the differences between mattress sizes. It’s an easy reference when comparing mattress sizes: how to tell what you have can be a lot simpler with a visual guide!

Identifying Mattress Size

Knowing how to determine mattress dimensions is crucial. Here are some steps to take.

Measuring Bed Size

The easiest way to check the size of your mattress is by measuring it. You’ll need a measuring tape and a bit of time.

Recognize Bed Dimensions

When measuring, you’ll need to recognize bed dimensions in both length and width, measured in inches.

Check the Size of the Mattress

Once you have your measurements, you can compare them with the standard mattress measurements mentioned earlier.

Find Out the Mattress Size

Now you should be able to find out your mattress size by matching your measurements with the standard sizes.

Related: How To Clean Pack N Play Mattress?

Guide to Mattress Sizes

Twin Bed Dimensions

A standard Twin bed measures 38″ x 75″. It’s ideal for kids or single adults with limited space.

Full-Size Mattress

The full-size mattress measures 54″ x 75″. It’s a good option for single adults who want more space than a Twin.

Queen Size Mattress

The Queen size mattress is 60″ x 80″, providing plenty of space for couples or individuals who enjoy extra room.

King Size Mattress

A King size mattress measures 76″ x 80″. This is the perfect choice for couples who prefer maximum personal sleeping space.

California King Mattress

The California King size is 72″ x 84″. It’s longer but narrower than the standard King, making it a great choice for taller individuals.

Bed Size Comparison

Difference Between Queen and King Size

The main difference between a Queen and a King-size bed is the width. A King-size bed is 16 inches wider than a Queen. This makes a significant difference for couples who need more space.

Steps to Determine Your Bed Size

How to Check Your Mattress Size?

Now that you have an understanding of standard bed sizes and the differences between them, let’s discuss how to check your mattress size.

  1. Start by removing any bedding so you can see the mattress.
  2. Measure the width from one side to the other.
  3. Measure the length from the head of the bed to the foot.
  4. Compare your measurements with the standard sizes listed above.

Recognizing Your Bed’s Dimensions

By following these steps, you should be able to recognize your bed’s dimensions. Always remember, if your mattress measurements are not matching up exactly with the sizes listed, go with the closest option.


Identifying the size of your mattress may seem daunting, but with these steps, you should be able to determine your bed size easily. It’s all about measuring, comparing, and recognizing the dimensions.

Whether you’re considering new bedding or planning a bed upgrade, knowing your mattress size is essential.

What is the size of my mattress?

The size of your mattress can be determined by measuring its length and width, then comparing these measurements to standard mattress sizes.

How to measure my bed size?

You can measure your bed size by using a measuring tape to get the width and length of your mattress.

What’s the difference between Queen and King size?

The main difference between Queen and King sizes is the width. A King size mattress is 16 inches wider than a Queen.

How to find out your mattress size?

You can find out your mattress size by measuring it and comparing the measurements to standard mattress sizes.

What size is my bed?

The size of your bed corresponds to the size of your mattress. You can determine this by measuring your mattress and comparing the measurements to standard sizes.
Lucas Rodriguez

Lucas Rodriguez is a mattress expert and reviewer, known for his in-depth analysis and unbiased opinions. With a keen eye for detail and a passion for quality sleep.

Leave a Comment