Hardwood Floor Calculator
Estimate how much hardwood flooring you need for a room, including boxes to buy, waste, and optional cost. Start with room size, then use species and install method to refine the order.
Build Your Hardwood Order
Start with the room size and box coverage. Then use wood species and install method to shape a more realistic order.
Room size
Quantity settings
8% to 10% is the normal planning range for most standard rooms.
Hardwood choices
Optional cost inputs
Start with the box count first. Open this only when you want a rough price check.
Show
Optional cost inputs
Start with the box count first. Open this only when you want a rough price check.
Hardwood Order Summary
This order is using a traditional hardwood install path, so the first job is still getting the box count and waste allowance right before pricing.
Worked examples
How many boxes for a 12x12 room
12 x 12 ft room · oak · nail-down · 20 sq ft boxes · 10% waste
A simple square room is usually the easiest hardwood order to plan. The main job here is getting the box count right before you buy.
How many boxes for a 200 sq ft bedroom
200 sq ft bedroom · oak · floating install · 20 sq ft boxes · 10% waste
This is the common homeowner question: how many boxes do I need for a bedroom once normal waste is included?
Larger open room
15 x 20 ft room · hickory · glue-down · 25 sq ft boxes · 8% waste
Larger open rooms make box planning easier, but the install method still changes the waste allowance and the final order size.
Waste guide
5% waste
Very simple rectangular rooms and experienced installation
This is the low end. It only makes sense when the room is straightforward and the cuts are easy to control.
8% to 10% waste
Most standard hardwood rooms
This is the normal planning range for straight installs. It gives enough buffer for cuts without pushing the order too high.
12% to 15% waste
Complex rooms, diagonal layouts, and awkward transitions
Use the higher end when the room has closets, angles, or extra trimming that will burn through more boards than a simple layout.
Wood species guide
Oak
Most hardwood floor projects
Usually the easiest default because it balances price, durability, and broad style fit.
Maple
Clean, brighter hardwood looks
A harder wood that works well when you want a smoother, lighter look and do not mind paying a bit more than oak.
Hickory
Higher-traffic rooms
A strong choice when durability matters more than the calmer, more uniform look of a softer grain.
Walnut
Premium darker floors
A more design-driven choice. It looks rich, but the cost is higher and the wood is softer than hickory or maple.
Install method guide
Nail-down
Traditional solid hardwood over wood subfloor
The classic install path for solid hardwood. A good fit when the floor structure already supports it and you want the traditional approach.
Glue-down
Concrete subfloors and more stable installs
Often a better fit over concrete. Waste can stay a little lower, but labor and mess usually rise compared with floating installs.
Floating
DIY-friendly engineered hardwood
The easiest path for many homeowners. It usually keeps the project simpler, especially when you are not trying to nail down solid hardwood.
How we calculate
Example
- 12×15 room = 180 sq ft
- Add 10% waste = 198 sq ft
- 20 sq ft per box = 10 boxes to buy
Planning notes
- Waste moves with install method and room shape
- Boxes are rounded up, not down
- Cost is optional because box count comes first
This page is for hardwood order planning, not a full installation quote. Species and install method refine the order, but the first job is still getting the box count right.