Hardwood Flooring – Understanding the Janka Scale Rating

April 10, 2026 | By Bruce® Flooring Experts

When comparing hardwood flooring, you’ll often see a number following each wood species. That number is the Janka rating, and while it may seem technical, it’s one of the most important ways to compare the resistance to denting and wear among different types of wood.

Let’s break it down.

What Is the Janka Rating?

The Janka rating is based on the Janka hardness test, named after Austrian researcher Gabriel Janka. It measures wood’s resistance to denting.

“The Janka test is one of the most reliable ways to compare how wood species perform under pressure, literally. It tells us how much force it takes to embed a steel ball halfway into the surface, which directly correlates to how well that wood will stand up to real-world wear and tear.”  – Travis Bjorkman, Principal Scientist at AHF.

More specifically, it measures the force required to embed a 0.444-inch steel ball halfway into a wood sample. The result is expressed in pounds-force (lbf), with higher values indicating harder wood.

This isn’t just trivia. The Janka scale is widely used in the flooring industry to help consumers choose a flooring option that holds up over time.

Why the Janka Scale Matters

When you walk across your floor, drop something heavy, or move furniture, your wood takes the brunt of the impact. A higher Janka rating indicates that the wood can withstand more impact without denting.

That’s why it’s so relevant to hardwood flooring, especially in homes with pets, kids, or heavy traffic.

But be careful: hardness isn’t everything. Harder woods can be more challenging to install and sometimes more brittle. You need to balance durability with workability.

Common Hardwood Janka Ratings

Here’s a look at how some widespread wood species stack up on the Janka scale:

• Red Oak (1,290 lbf): A benchmark species in flooring. Durable and widely available.
• White Oak (1,360 lbf): Slightly harder than red oak. Great for high-traffic areas.
• Hard Maple (1,450 lbf): Common in gym floors and furniture for a reason. It’s hard and stable.
• Hickory (1,820 lbf): One of the hardest domestic hardwoods, very resistant to wear.
• Brazilian Cherry (2,350 lbf): A standout among tropical hardwoods for its density and durability.
• Pine (380–870 lbf): Various species have different ratings. It falls into the category of soft hardwoods. Attractive but prone to denting.

These examples show the range of hardwoods, including both domestic and imported species from tropical forests.

Hardwoods vs. Softwoods: A Quick Note

Despite the name, not all hardwoods are hard, and not all softwoods are soft. The classification comes from the tree’s structure, not its toughness.

Hardwoods typically come from broad-leaved trees, while softwoods come from conifers. That said, most hardwoods used in flooring do tend to rank higher on the Janka scale.

Is a Higher Janka Rating Always Better?

Not always.

The higher the number, the more resistant the wood is to denting and wear. However, it may also be harder to saw, nail, or refinish. Super-dense tropical hardwoods might sound ideal, but they can crack during installation or require specialized tools.

On the flip side, soft hardwoods like walnut or cherry may not score as high, but they offer stunning visuals and are easier to work with.

The goal is to choose the best flooring option for your lifestyle, not just the hardest one on paper.

Here’s a look at the most durable hardwood flooring.

Densified Hardwood Doubles Janka Ratings

Some manufacturers, such as AHF™ (maker of Bruce® Flooring), use densified wood technology to increase the Janka ratings of traditional wood species.

By compressing the wood’s cell structure with heat and pressure, they boost resistance to denting. You get the natural beauty of wood with added durability.

This allows species like red oak to perform more like exotic tropical hardwoods, without the ecological impact of harvesting from tropical forests. It also makes softer woods, such as pine and cherry, more suitable for high-traffic areas.

For example, Dogwood® Pro hardened wood flooring increases oak’s Janka rating from 1360 to more than 3000. Hickory increases from 1820 to over 3000.

What Does That Mean for You?

More durable flooring. Dogwood Pro offers four times the scratch resistance and six times the dent resistance of standard wood flooring. The manufacturing process also adds waterproofing to the floors.

“Through densification, we’re able to increase the hardness of traditional hardwoods significantly. It enhances their dent resistance without compromising the look or feel of natural wood. It’s a major step forward in flooring durability.” 

– Travis Bjorkman, Principal Scientist at AHF.

Best of all, it’s 100% genuine wood flooring that can handle dog nails, rambunctious kids, and heavy foot traffic.

Learn more about hardened wood flooring.

Janka and Sustainability

While tropical hardwoods often score high on the Janka scale, many come from endangered or over-harvested regions. Choosing responsibly sourced hardwoods, including domestics like white oak or red oak, or those enhanced through technology, supports more sustainable practices.

Use the Janka Rating as a Guide for Selecting Hardwoods

The Janka rating is a valuable tool when choosing hardwood flooring, but it’s not the only one. Consider your lifestyle, room usage, design goals, and installation method. A Janka number can guide you, but it shouldn’t decide for you.

Need help deciding? Browse Bruce’s wood flooring collections and explore the beauty and performance of hardwoods made for real life.

Find a Bruce retailer near you.