Guide
Running out of a color halfway through a rug — with no more of that dye lot available — is every tufter's nightmare. Estimating yarn well before you start is the single best way to avoid it. The amount you need comes down to three things: the area of the rug, the pile height, and the density of your tufting.
Because these interact, a flat "yards per square foot" rule is only a rough guide. Our tufting calculator combines them — and, uniquely, reads a rug image to estimate yardage per color, so you know how much of each shade to buy.
As a starting point for a medium-density, medium-pile cut-pile rug, plan on roughly 250–400 grams of yarn per square foot, depending on pile height and yarn weight. A 2×3 ft (6 sq ft) rug therefore lands somewhere around 1.5–2.5 kg total. Treat these as planning numbers, not gospel — your gun, yarn, and hand all shift them.
These figures line up with what suppliers publish. In its knowledge base, Tuft the World reports that an AK-I cut-pile gun loaded with their Reflect wool consumes about 8 ounces (half a pound) of yarn per square foot — roughly 227 grams — meaning a single 16-ounce cone covers only around 4 square feet. That's a useful reality check: rugs eat far more yarn than beginners expect, and a "big" 500-gram cone may not even finish a small mat in one color.
Say you're planning a 2×3 ft rug (6 sq ft) with a medium pile and a design that's about 60% background, 25% mid-tone, and 15% accent. Using a middle-of-the-road estimate of 300 grams per square foot, the whole rug needs about 1,800 grams of yarn. Split by color that's roughly:
| Color role | Share of design | Base estimate | +20% buffer |
|---|---|---|---|
| Background | 60% | 1,080 g | 1,300 g |
| Mid-tone | 25% | 450 g | 540 g |
| Accent | 15% | 270 g | 325 g |
Now you have a shopping list, not a vague "get about 2 kg." The background alone needs three 500-gram cones; buying a single cone because it "looks like a lot" is exactly how projects stall.
Pile height is the biggest single lever after area. Most cut-pile guns adjust across a real range — the popular AK-I, for example, tufts anywhere from roughly 7 mm to 20 mm of pile. Every extra millimeter of height is extra yarn pulled through the backing on every single stitch, so the effect compounds fast across thousands of stitches. As a rough guide, moving from a low ~8 mm pile to a plush ~18–20 mm pile can push consumption up by 60–100%. If you plan to carve or sculpt the surface, add more still — carving trims away pile you already paid for in yarn.
A gram of chunky yarn covers more area than a gram of fine yarn, so the same rug can weigh different amounts depending on what you feed the gun. Rug yarn generally sits in the heavier end of the Craft Yarn Council standard weight system — their category 5 ("Bulky") explicitly lists "Rug" as a typical use — but most tufters build up to that thickness by running several thinner strands together rather than one heavy yarn. Whatever combination you use, keep the strand count identical across the whole rug so your grams-per-square-foot rate stays consistent from your estimate to the finished piece.
Two rules save projects:
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Once you know your per-color totals, stock up on rug tufting yarn cones in a single dye lot so you never come up short mid-project.
A big background color and a small accent have completely different needs, and buying "2 kg of yarn" without splitting it by shade is how people end up short on the one color that covers most of the rug. Estimating per color — which the calculator does from your design image — turns a guess into a shopping list.
How much yarn for a 2×3 ft rug? Plan on roughly 1.5–2.5 kg total for a medium pile, then split it by color and add a 15–20% buffer to each shade.
How far does one cone go? Not as far as you'd think — supplier figures put a 16-ounce (about 450 g) cone at only around 4 square feet for a medium wool cut pile, so a large background color usually needs several cones.
Is it better to over-buy or under-buy? Over-buy, every time. Leftover yarn feeds your next rug or repairs; running short mid-project on a discontinued dye lot can force you to re-tuft an entire section.
→ Estimate yarn per color from your image