Understanding fireplace dimensions is an important part of creating the perfect look and feel of your new fireplace for your space. You’ll want to consider things like the viewing area, room size, type of fireplace, chimney height, mantel and hearth dimensions, and more.

All measurements listed in this blog will be ordered as follows: Width x Height x Depth

Standard Fireplace Dimensions

The typical dimension in inches of a standard fireplace when it comes to width, height, and depth are 28-48 x 20-30 x 16-24. These dimension measurements will change depending on the type, placements, and other factors. It’s important to consider the size of your space and type of fuel you’ll want to burn in your fireplace before getting into size dimensions for the fireplace and mantel itself.

How Different Types of Fireplace Dimensions Compare to Gas

Gas Fireplaces

A gas fireplace is low maintenance and easy to use, making them a popular option for anyone who would rather not deal with real firewood and constant cleaning, gas fireplaces are similar to masonry fireplaces in width and height, measure around 36-48 x 30-40 with varying depth depending on whether your gas fireplace is to be vented or ventless.

Masonry Fireplaces

It’s important to include the dimensions of the mantel when it comes to masonry fireplaces, as they will likely take up a good bit of the space where you choose to build your fireplace. Typical masonry fireplace dimensions in inches are 36-48 x 36-42 x 20-24.

Electric Fireplaces

Electric fireplaces are great for those seeking simple maintenance and a wide variety of personalization and customization options. Electric fireplaces are typically 36-50 x 20-30 x 10-15.

Fireplace Inserts

Most fireplace insert dimensions will be around 28-44 x 20-30 making them a perfect fit for a standard masonry fireplace’s existing dimensions.

Fireplace Mantels

Fireplace mantels can vary, but a standard mantel will measure at around 48-72 inches in width. The height of a fireplace mantel can vary greatly depending on personal preference, however most mantels are place 50-60 inches about floor level for safety purposes.

Types of Gas Fireplaces

Built-In Gas Fireplaces

Built-in gas fireplaces are typically paired nicely with a surround or mantel giving a full fireplace effect and adding a nice visual appeal to your space.

Gas Inserts

Gas inserts are made to fit into your existing masonry or prefab fireplace to improve efficiency and heat output. This is a great way to keep your existing fireplace while upgrading to the benefits of a gas unit.

Gas Stoves

A free-standing gas stove is a great option thanks to a flexibility and varying style and size options. With a gas stove you can enjoy the benefits of a gas fireplace, with added placement flexibly as they can be placed anywhere in your room.

Other Factors to Consider

Some of the most important factors to consider when choosing a gas fireplace is the size and layout of your room, the height and ventilation system of your chimney, and the clearance requirements of your space for the safest experience.

Call Keystone’s Fireplace and Stove Today!

For help choosing the perfect fireplace for your lifestyle and space or to schedule your installation or fireplace service, call or contact us online and speak with one of our experts today! Your dream fireplace is just one call away.