
Mattress Thickness Guide: How Thick Is Right?
From 8 inches to 14 and up. Here’s the height that fits your sleep.
Ever notice how some mattresses look like a thin pancake and others look like a fluffy cloud? That height is called thickness, and it matters more than folks think. This mattress thickness guide breaks down what all those inches really mean for your comfort and support. Whether you’re four inches or fourteen, the right height helps you sleep better and get in and out of bed with ease. So let’s clear up the mystery, because picking the right thickness is easier than it sounds.
Here at Compare Deals, we help shoppers across Metro Atlanta find the perfect bed for way less. And thickness comes up a lot. Too thin and you feel the floor. Too thick and you might need a step stool. So this mattress thickness guide will help you land right in the comfy middle. Let’s dive in.
What Mattress Thickness Actually Means
Thickness is just how tall your mattress is from top to bottom, measured in inches. Most beds run between 8 and 14 inches, though some go even taller. That height comes from two parts stacked together: the comfort layer on top and the support layer underneath.
Here’s the thing, thickness isn’t the same as firmness. A thick bed can be soft, and a thin bed can be firm. Thickness affects the feel, the height off the floor, and how much cushion you get. So both matter, but they’re separate. Keep that in mind as we go through this mattress thickness guide.
The Common Thickness Ranges
Let’s break down the usual heights so you know what you’re looking at:
- 6 to 8 inches (thin). Good for kids, bunk beds, and guest rooms. Light and easy to move.
- 9 to 12 inches (standard). The sweet spot for most adults. Solid support with nice cushion.
- 13 to 14 inches (thick). Plush and tall. Great for couples and folks who love a luxe feel.
- 15 inches and up (extra thick). Very tall and cushy. Just check that your sheets fit.
Because the standard range works for most sleepers, that’s where a lot of our shoppers land. When you visit, you can compare heights across our full mattress selection and feel the difference yourself.

How to Pick the Right Thickness for You
So how do you choose? A few simple things point you to the right height. Let’s walk through them.
Your Body Weight
Heavier folks usually need a thicker bed, around 12 inches or more, for enough support underneath. Lighter folks do just fine on standard heights. A thicker support layer keeps you from sinking to the base.
Your Sleep Position
Side sleepers often love a thicker comfort layer to cushion the shoulder and hip. Back and stomach sleepers can go a touch thinner since they need firmer support. According to the Sleep Foundation, keeping your spine aligned matters most, and the right thickness helps you get there.
Getting In and Out
Height off the floor counts too. Older folks or anyone with sore joints often prefer a taller bed that’s easy to stand up from. Add a thick bed to a tall frame, though, and you might climb. So measure the total height with your frame included.
Don’t Forget Your Frame and Sheets
Here’s a tip people wish they knew sooner. Your mattress height stacks on top of your bed frame or base. So a 14-inch mattress on a tall frame can end up really high. Add an adjustable base or box spring and it climbs even more. Measure the whole setup so you’re happy climbing in each night.
Also, super thick beds need deep-pocket sheets. Regular sheets can pop off a 15-inch mattress all night long, and nobody wants that fight at 2 a.m. So check the pocket depth before you buy sheets. It’s a small thing that saves a big headache.

Thickness and Your Budget
Now, do thicker beds cost more? Sometimes, yes, because they use more material. But here’s the good news. At an outlet like ours, you save 60–70% off retail on every height. So you can get that plush, thick feel without the plush price tag. Our closeout queen mattresses start at just $399 and go up to $899 for premium tiers.
Want to stretch your dollar even further? Browse our deeply discounted beds for closeout deals across all thicknesses. And if paying at once feels tight, we offer no-credit-needed plans. Check out our flexible payment options and take your bed home today. No scary credit check needed.
The Bottom Line
So there’s your quick mattress thickness guide. Most adults do great in the 9 to 12 inch range, with heavier folks and side sleepers leaning thicker. Just remember to measure your frame and grab deep-pocket sheets for the tall ones. Best of all, at outlet prices you can pick any height without overpaying. Come feel the difference for yourself and let our team help you find the perfect fit. Here’s where to find our two stores in Lawrenceville and Morrow. Sweet dreams are waiting.
Common Questions
Most adults do great in the 9 to 12 inch range. It gives solid support with comfy cushion on top. Heavier folks and side sleepers often prefer a bit thicker, around 12 to 14 inches.
Not always. Thickness is about height, not comfort or firmness. A thick bed can feel soft or firm depending on its layers. What matters is matching the thickness and feel to how you sleep.
Not always. Beds 14 inches and taller usually need deep-pocket sheets so they don’t slip off. Check the pocket depth on the label before you buy sheets for a tall mattress.
Often, yes. A thicker support layer, around 12 inches or more, keeps heavier sleepers from sinking to the base. It adds durability and better support over time.
Sometimes they use more material, but at our outlet every height is 60-70% off retail. Closeout queens start at $399 and go up to $899, so you can get a plush, thick bed without the plush price.
Find Your Perfect Height for Less
Compare mattress thicknesses and save 60–70% off retail. No credit needed to get started.
