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Buying Guide 6 min read

How much does it cost to carpet a room?

What really goes into a carpet quote: square yards vs square feet, padding, tear-out, and stairs. Plus the four numbers we need to price your room.

Carpet being trimmed and tucked along a step edge during installation

The honest answer is that nobody can give you a real number until they know four things: how big the room is, whether the old carpet is coming out, what the carpet itself costs per yard, and whether there are stairs. Everything else is guesswork dressed up as a quote.

That is not a dodge. It is the reason two quotes for the same room can differ by hundreds of dollars while both are technically accurate. One included padding and tear-out. The other did not.

Here is how to read a carpet quote so you can compare them properly.

Square yards, square feet, and the oldest trick in flooring

Carpet comes off a roll that is twelve feet wide, and the mills price it by the square yard. Most stores advertise by the square foot because the number looks better on a sign.

One square yard is nine square feet. So a carpet listed at $3.50 a square foot is $31.50 a square yard. A carpet listed at $28 a square yard is about $3.11 a square foot, which is cheaper, even though the first number looked smaller.

Always convert both quotes to the same unit before you compare them. It takes ten seconds and it is the single most useful thing in this article.

What a complete quote actually includes

A finished carpet job has more parts than most people expect:

  • The carpet itself, priced by the yard
  • Padding, which is a separate product with its own price and its own quality grades
  • Tack strip around the perimeter, and transitions at doorways
  • Installation labor
  • Tear-out and disposal of the old carpet and padding, if there is any
  • Moving furniture, if you are not moving it yourself
  • Stairs, which are priced separately and are never included in a room price

If a quote does not name all of these, it is not a quote. It is a starting point.

The measurement problem: you always buy more than the room

A twelve by twelve bedroom is 144 square feet, or sixteen square yards. You will not buy sixteen yards.

Carpet comes twelve feet wide. To cover a twelve by twelve room you need a piece twelve feet wide by twelve feet long, plus a few inches on each side for trimming. Add a closet and you need a separate piece, cut from the same roll so the pile direction and dye lot match.

Rooms wider than twelve feet need a seam, and the piece has to be laid out so the seam lands somewhere sensible rather than in the middle of the doorway. A fifteen by fifteen living room, which is a request we get constantly, needs a twelve foot piece plus a three foot fill piece, and the fill has to run the same direction as the main piece.

This is why the yardage on your quote is higher than the math you did on your phone. Nobody is padding the number. The roll is twelve feet wide and that is that.

Stairs are their own conversation

Stairs are priced per step, not by the square yard, because they are hand work. A straight run of thirteen steps is a different job from a set with a landing and a winder turn.

Two things change the price. First, whether the treads are being wrapped (carpet over the tread and down the face of the riser) or capped. Second, whether the risers are already there. We had a customer this year who had just finished a basement with bare wooden steps and was adding risers before carpeting. That is the right order. Carpet over a finished riser looks correct. Carpet over a missing one does not.

If you only need the steps done and nothing else, ask about a minimum. Most flooring stores have one, and it is better to hear the number up front than to be surprised by it.

What actually moves the price up or down

Fiber is the big one. Polyester is soft and inexpensive and does not bounce back from heavy traffic the way nylon does. Nylon costs more and holds up on stairs and in hallways. Olefin resists moisture and fading, which makes it a basement and indoor-outdoor material. Wool costs the most and lasts the longest.

Density matters more than the label on the sample. Bend a carpet sample backward. If you can see a lot of the backing through the pile, it is a loose construction and it will mat down faster in traffic.

Padding is the part people cut to save money and then regret. Padding is what your carpet feels like underfoot, and it is what determines how long the carpet lasts. Good carpet on cheap pad wears out early.

A note on remnants

If your room is under about twelve by fifteen, ask what is on the remnant rack before you look at rolls. A remnant is the end of a roll left over from a larger job, and it is first-quality carpet at a lower price simply because the piece is not big enough for a whole house.

We keep a wall of them, and the stock changes weekly. It is genuinely the cheapest way to carpet a bedroom, a home office, or a basement rec room. You can see what is on the floor right now before you drive out.

What to bring us

Call with the length and width of each room in feet or inches, note whether there is a closet, count your stairs, and say whether old carpet is coming out. That is enough for a ballpark over the phone.

When you are ready to move forward we come out and measure properly. There is a charge for the in-home measure and it gets credited to you when you purchase, so it comes off the final price rather than sitting on top of it.

We have been doing this on Route 51 since 1970. The person who measures your room is the person who installs it, so there is no game of telephone between the guy with the tape measure and the guy with the knee kicker.

Call us at (412) 885-1444, or send us your room sizes and we will get back to you with real numbers.

Common questions

What information do you need to price my room?
Length and width of the room in feet or inches, whether there is a closet, whether old carpet needs to come out, and whether any stairs are involved. With those four things we can usually give you a ballpark over the phone.
Is carpet sold by the square foot or the square yard?
Carpet is manufactured and rolled in square yards, but many stores advertise a square foot price because the number looks smaller. One square yard is nine square feet. Multiply a square foot price by nine to compare it against a square yard price.
Does the price include padding and installation?
Not always, and this is where quotes stop matching each other. Ask every store whether the number they gave you includes padding, tack strip, installation labor, and removal of the old carpet.
Do you charge for a measure?
There is a charge for an in-home measure, and it gets credited back to you when you purchase. Call us at (412) 885-1444 and we will explain exactly what it covers.

Bring us your measurements.

2855 Saw Mill Run Blvd on Route 51, with parking behind the building. Family run since 1970, and the person who measures your room is the person who installs it.

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