How To Measure Knots In A Rug

The warps of the rug usually lie in the same plane and when this is the case each knot will appear on the back of the rug as two squares nodes of the same color next to one another from east to west on the rug.

How to measure knots in a rug.

Persian rugs persian rug guides persian oriental knots how are knot counts measured. Scroll to the bottom of this page for instructions on how you may count the knots of your rug. The usual practice for counting rug knots is to measure how many knots there are per square inch on the back of a rug it is impossible to distinguish separate knots from the face of the rug. Most rugs fall between 100 and 200 kpsi.

Kpsi is also sometimes referred to as knot density and knot count which is somewhat of a quick simplification of what can be a complex equation of understanding quality. There are various measurements involved in the different areas when establishing how fine a rug is woven. The main measurement is kpsi knots per square inch similar to the pixels on a tv or computer screen the more pixel or knots the clearer and. Knot count tells you a lot about the fineness of the carpet.

Although there are many ways to measure your carpet s knot count in general kpsi knots per square inch is the most common standard of measure in the u s. The easiest but the most deceptive of the rug quality indicators is the concept of kpi or knots per square inch kpi is calculated by multiplying the horizontal knot count times the vertical knot count in a one inch area of the carpet. Sometimes the warps lie offset this causes the second node of the knot to be hidden from the back. Within the oriental rug industry knot count may be measured in.

To get a more accurate measurement you can count the knots in several different places and average the result. Counting rug knots is one of the most significant ways of determining the quality and origin of the rug however counting rug knots is not the only and direct indicator of a rug s value or cost. That is to say not all countries regions and cities have the same standardized knot density measure of kpsi. Some rugs such as heriz tribal rugs and lower quality town city woven rugs fall under 100 knots and over 200 kpsi the rug starts to become fine.

To count the knots add up the number of.