DMC Happy Cotton vs Lion Brand Truboo

Technical verdict: DMC Happy Cotton vs Lion Brand Truboo

Weight category, yardage and value per ball

DMC Happy Cotton and Lion Brand Truboo are both Light (CYC 3) yarns, so on paper they are interchangeable in the same patterns. The weight class only tells half the story, though: the ball band data below shows how much they really differ in thickness, yardage and behaviour once they are on the hook.

Their linear density is practically identical: DMC Happy Cotton gives 215 m per 100 g and Lion Brand Truboo gives 220 m per 100 g. A project that uses 1,000 m of yarn weighs about 465 g in the first and 455 g in the second, so the finished piece will feel equally heavy.

Per ball, DMC Happy Cotton holds 43 m in 20 g and Lion Brand Truboo holds 220 m in 100 g. Five balls of DMC Happy Cotton (215 m) are replaced by 1 balls of Lion Brand Truboo, and five balls of Lion Brand Truboo (1,100 m) by 26 balls of DMC Happy Cotton. Always convert by length, never by weight or by number of balls.

Drape, fibre and texture

DMC Happy Cotton is 100 % cotton. Cotton is inelastic and absorbent: stitches look crisp and defined, the fabric holds its shape in amigurumi, bags and dishcloths, but garments can feel heavy and stretch downwards when wet.

Lion Brand Truboo, on the other hand, is 100 % bamboo. Bamboo-based fibres are cool, smooth and drapey with a subtle sheen, ideal for summer tops and baby items; they have little elasticity, so swatch and block before measuring.

With such similar density, DMC Happy Cotton and Lion Brand Truboo will give fabrics of comparable weight and drape at the same gauge; any difference in hand will come mainly from the fibre.

Their construction differs: DMC Happy Cotton (Plied) versus Lion Brand Truboo (Smooth). This changes stitch definition and how easy it is to see your stitches, so expect a different look even at the same gauge.

Hook size and gauge

The ball bands recommend 3 mm for DMC Happy Cotton and 4 mm for Lion Brand Truboo, with no hook size in common. Substituting one for the other will change the fabric, so swatch with each yarn's own hook and recalculate your stitch counts.

At least one manufacturer does not publish a reference gauge, so work a 12 × 12 cm swatch with your usual hook before comparing sizes.

Verdict: can you swap them?

Lion Brand Truboo can replace DMC Happy Cotton with some adjustments (Match Score 72 %). Expect small differences in gauge or drape: swatch first and be ready to change the hook by half a size.

Lion Brand Truboo gives more meters per ball, so you will usually buy fewer balls.

Whichever you choose, buy all the balls for a project from the same dye lot and keep the ball band for its care instructions.

Full DMC Happy Cotton data sheet → Full Lion Brand Truboo data sheet → Calculate yarn for a whole project →