
Why visualising isn't enough
Screens distort colour. What looks like a soft grey on your tablet might be a cool blue in your hallway. Samples allow you to see how the fibre catches the light throughout the day. Place them on your stairs, not in your living room, as the light levels and angles are completely different. Take the time to observe them at various times of the day, including in the evening under your artificial hallway lighting.
What to test on your samples
First, test for durability by scratching the pile with your nail; it shouldn't shed excessively. Second, fold the sample tightly to check for any visible backing through the weave—a good runner should be dense enough to hide the backing completely. Finally, place it on the step to ensure the pattern scale works with your staircase width.
How much runner do I need?
Using standard US measurements for a 13-step flight: 10 in tread + 7.5 in riser + 0.75 in wrap = 18.25 in per step. Total 237.25 in. Adding 24 in for finishing gives 261.25 in (21.77 ft). With a 10% waste buffer, aim for 24 ft. UK measurements: 25 cm + 19 cm + 1.9 cm = 45.9 cm per step. Total 596.7 cm, plus 60 cm = 656.7 cm. With 10% waste, aim for 7.3 m.

| Test Category | What to look for |
|---|---|
| Pile Density | Cannot see the backing when folded |
| Colour Accuracy | Matches in natural and artificial light |
| Texture | Comfortable underfoot but resilient |
| Edge Finish | Clean edges that resist fraying |
Know your numbers in 30 seconds
Enter your step count, tread depth and riser height — the stair runner calculator gives you the exact length to order, in metres and feet, with waste included.
Open the stair runner calculatorKeep your samples
Label your samples and keep them safe. If the delivered runner arrives and looks different to the sample, you have the reference you used to make the purchase.
- Check the sample in different light conditions.
- Fold the sample to check for backing visibility.
- Place the sample on the actual stairs to test scale.
- Compare the sample against existing decor.
Evaluating fibre quality
Samples give you a tactile insight into the quality. A quality wool or high-end nylon will feel springy. If the sample feels thin or plasticky, it will likely wear poorly on a busy staircase. Remember, stair runners deal with much higher friction than standard carpet.
Whatever you decide, get the numbers first: the stair runner calculator doubles as a stair runner length calculator, adding nosing wrap, landings, winders, pattern repeat and waste so you order the right length the first time.
Frequently asked questions
Are samples free?
Many retailers offer them for free, though some charge a nominal fee to cover postage. This is a small price to pay to avoid a mistake.
How many samples should I get?
Order at least 3-5 variants. It helps to have options to compare side by side.
Do samples look exactly like the roll?
They should, though slight variations can occur between different dye lots. Always ask if your sample matches the current stock roll.
What should I do if the colour is wrong?
Discard the sample and order another. Never assume the real runner will look better.
Can I get large samples?
Some suppliers offer larger 'hand samples'. These are better for getting a real sense of pattern repeat.
Should I test with underlay?
If you have a spare piece of underlay, place it under the sample to get a more accurate feel.
How long should I keep samples?
Keep them until the runner is installed. They are vital if you need to report a quality issue.
Do samples show the pattern repeat?
Only if the sample is large enough. For large patterns, ask the supplier for a photo of a full repeat.
Know your numbers in 30 seconds
Enter your step count, tread depth and riser height — the stair runner calculator gives you the exact length to order, in metres and feet, with waste included.
Measure for your runner with our stair runner calculatorEvery guide is written from hands-on measuring and fitting experience, checked against the calculator’s own maths, and re-reviewed whenever prices or methods change. Read our editorial standards.