Stair Runner Length CalculatorMaterial
Runner rug stair length calculator
Runner rugs are sold in fixed lengths — 6 ft, 8 ft, 10 ft, 12 ft and 2 m, 3 m, 4 m are typical — so the question is not just how much you need, but how many rugs that is and where the joins land.
Calculate the total length first, then enter the rug length as the maximum single piece in the seam planner.
Stair runner calculator
Your stair runner length
20 ft 3.1 in
Total runner required for 13 steps, including a 10% waste allowance.
| Inches | 243.1 in |
|---|---|
| Feet | 20.26 ft |
| Feet & inches | 20 ft 3.1 in |
| Yards | 6.75 yd |
| Meters | 6.17 m |
| Centimeters | 617.47 cm |
Recommended purchase length
21 ft
7 yd · 6.4 m · 252 in
This calculator provides an estimate based on the measurements and installation assumptions you enter. Complex, curved or winder staircases may require professional measurement.
Your measurements, drawn to scale
How many rugs?
Pieces = total required ÷ rug length, rounded up. A 23 ft flight needs three 8 ft rugs or two 12 ft rugs — and the two-rug option puts only one join on the flight.
Where the joins land
The seam planner maps each join to a step and tells you whether it falls on a tread or a riser. Joins on risers are far less visible and take much less foot traffic.
Honest limitations
Rug ends are already finished, so joined rugs will show a visible break. Colour and dye lots vary between rugs too, so buy them together from the same batch.
Questions people ask
- Can I use runner rugs on stairs?
- Yes, provided they are properly fixed down. Calculate the total length, then divide by the rug length to see how many you need and where the joins fall.
- How do I hide the join between two rugs?
- Place it on a riser rather than a tread, ideally behind a stair rod, and buy both rugs from the same dye lot.