The most common stair runner mistake happens before installation even starts: homeowners order a prepackaged 25-foot runner for a staircase that needs 29 feet, or they buy a roll that is too narrow for the treads. Buying a stair runner by the foot solves that problem, because you pay only for the length your stairs actually require and you can choose width, material, and binding to suit the space. This guide explains how to measure accurately, how much to add for waste and turns, typical prices by material, and what installation costs per step.
Part of our Stairs & Stair Flooring guide — explore the full guide →
- How Buying a Stair Runner by the Foot Works
- Measuring Your Stairs Correctly
- Choosing the Right Width
- Price Per Foot by Material
- Material Tradeoffs on Stairs
- Installation Methods and Costs
- Handling Landings and Turns
- Patterns, Repeats, and Extra Length
- Frequently Asked Questions
- Ordering With Confidence
How Buying a Stair Runner by the Foot Works
Retailers who sell runner by the foot cut it from long rolls of narrow carpet, usually 12 to 16 feet or more in length, in fixed widths such as 26, 27, 30, 32, or 36 inches. You tell them the number of linear feet you need, and they cut a continuous piece. Many shops also offer binding or serging on the long edges if the product does not come finished, and some will add a finished end.
The alternative is a fixed-length runner, commonly sold in 20, 25, or 30-foot lengths. Those work if your measurement happens to fit. Buying by the foot is better when your staircase has a landing, a turn, an unusual number of steps, or when you want a specific wool or woven pattern that only comes on a roll.
Measuring Your Stairs Correctly
You need three measurements: tread depth, riser height, and the width you want the runner to cover.
- Measure one step. Run a flexible tape from the back of the tread, over the nosing, and down to the bottom of the riser. On a typical stair with a 10-inch tread, 7-1/2 inch riser, and a 1-1/4 inch nosing, that comes to roughly 18 to 19 inches.
- Multiply by the number of steps. For 13 steps at 18.5 inches each, the total is 240.5 inches, or about 20 feet.
- Add for waste and positioning. Add 12 to 18 inches minimum so the installer can square up the start and finish. Add more for pattern matching.
- Measure landings separately. A landing needs its own piece or additional length for the runner to cross it.
Measure several steps rather than one. Older stairs often vary by 1/4 inch or more from step to step, and those small differences add up over a full flight. Use the largest measurement for your calculation.
Choosing the Right Width
Runner width should leave an even strip of exposed tread on both sides. A common guide is 3 to 5 inches of exposed wood per side. For a standard 36-inch wide staircase, that points to a 26 to 30-inch runner. For a 42-inch staircase, a 32 to 36-inch runner looks balanced.
- Narrow stairs (30 to 34 inches): 22 to 26-inch runner
- Standard stairs (36 inches): 26 to 30-inch runner
- Wide stairs (42 to 48 inches): 32 to 36-inch runner
Before ordering, lay painter’s tape on two or three treads at your proposed width and look at it from the bottom and top of the stairs. That quick mockup prevents most width regrets.
Price Per Foot by Material
Runner pricing spans a wide range depending on fiber, construction, and pattern. These figures are typical retail prices for 26 to 32-inch widths:
| Material | Price per linear foot | Best for |
|---|---|---|
| Polypropylene (olefin) | $10 to $25 | Budget, pets, basements |
| Nylon | $20 to $45 | High traffic, resilience |
| Sisal and jute | $20 to $50 | Natural texture, low traffic |
| Wool (machine woven) | $40 to $90 | Durability, soft feel |
| Wool (hand-loomed, patterned) | $90 to $200+ | Statement staircases |
For a 20 to 22-foot straight flight, that means material costs from roughly $250 for polypropylene to $2,000 or more for premium wool. Binding usually adds $2 to $6 per linear foot of edge if the product needs it.
Material Tradeoffs on Stairs
Wool
Wool is resilient, naturally soil-resistant, and it bounces back from foot traffic, which is why it remains the benchmark for stairs. A flatweave or low-loop wool holds its shape over nosings well. The downside is price and sensitivity to certain cleaners; bleach and high-pH products damage wool fibers.
Nylon
Nylon is the most resilient synthetic fiber and a solid choice for busy households. Look for solution-dyed nylon for fade and stain resistance.
Polypropylene
Polypropylene is inexpensive and resists moisture and stains, but it crushes more readily in the traffic path. It suits basement stairs or rental properties better than main staircases.
Sisal, Jute, and Seagrass
Natural plant fibers look great but can be slippery on nosings, scratchy on bare feet, and hard to clean. Jute in particular wears quickly on stairs. Wool-sisal blends offer the look with better durability.
Installation Methods and Costs
Stair runners are installed in two main styles. Waterfall installation lets the runner drop straight from the nosing to the next tread, leaving a gap under the nosing. Hollywood (or upholstered) installation wraps the runner tightly under each nosing and against the riser for a tailored look. Hollywood uses slightly more material and takes more labor.
Professional installation typically costs $10 to $25 per step for a straight flight, with landings, winders, and pie-shaped steps priced higher at $30 to $75 each. Most installers also charge for padding (about $3 to $6 per step for a thin, dense stair pad) and a minimum trip fee of $150 to $300. Stair rods, a decorative option that sits at the base of each riser, add $20 to $80 per step for the hardware.
DIY installation is possible with a staple gun that shoots 9/16-inch crown staples, a knee kicker or stair tool, and double-sided carpet tape for the padding. Plan three to five hours for a straight 13-step flight on the first attempt.
Handling Landings and Turns
Landings and turns are where by-the-foot purchasing earns its value. On an L-shaped stair, the installer usually cuts the runner at the landing and miters it at 45 degrees, or covers the landing with a separate square piece bound on all sides. Winder steps (pie-shaped treads) need each step cut and bound individually, which consumes more material and labor. As a rough guide, add 3 to 5 extra feet for a standard landing and at least 1 extra foot per winder step. Ask your supplier to review your diagram before cutting, because custom cuts are rarely returnable.
Patterns, Repeats, and Extra Length
Solid colors and small textures are forgiving, since any cut point looks the same. Large patterns such as stripes, medallions, and geometric motifs are different. The installer needs each step to show the pattern in the same position, or the staircase will look uneven from the bottom. That means planning cuts around the pattern repeat, which is the distance before the design starts over.
If the repeat is close to your per-step measurement, waste stays low. If it is not, you may need to add one full repeat per landing and extra footage overall. For a patterned wool runner with an 18-inch repeat on a 13-step flight, many installers recommend ordering 2 to 4 feet beyond the basic calculation. Vertical stripes are the exception; they run continuously down the stairs and do not need step-by-step matching, which makes them one of the most efficient patterns to buy by the foot.
Ask the retailer for the exact repeat dimension and share it with your installer before placing the order.
Frequently Asked Questions
How many feet of stair runner do I need for 13 steps?
Most straight 13-step flights need about 20 to 22 feet. Measure one full tread and riser, multiply by 13, and add 12 to 18 inches for positioning and trimming.
Is it cheaper to buy a stair runner by the foot?
Often yes for staircases that fall between stock lengths, because you avoid paying for 5 to 10 unused feet. Per-foot prices can be higher, so compare total cost for your exact length.
What is the best material for a stair runner by the foot?
Wool or solution-dyed nylon in a low, dense loop or flatweave performs best on stairs. They resist crushing on nosings and clean up well.
Do stair runners need padding?
Yes. A thin, dense pad about 1/4 inch thick protects the runner, reduces noise, and extends its life. Thick, soft pads make nosings unstable and can create a trip hazard.
Ordering With Confidence
Measure every step, choose a width that leaves 3 to 5 inches of exposed tread on each side, and add enough length for trimming, landings, and pattern repeat. Buying a stair runner by the foot lets you match your exact staircase instead of forcing a stock size to fit, and it opens up premium wool and woven patterns that rarely come prepackaged. Budget for padding and professional installation on landings and winders, and you will end up with a runner that looks custom and wears for years.
