How Many Yards of Yarn for a Scarf?
A standard 8×60-inch adult scarf in garter stitch at worsted gauge computes to 547 yards on this site's model, 497 base yards plus a 10% allowance — full working on the adult scarf project page. It's a reasonable planning figure for a typical scarf, not a universal constant.
Why "a scarf" isn't precise enough on its own
Scarves range enormously in both width (a narrow 5-inch neck scarf to a wide 12-inch wrap-style piece) and length (a snug 50-inch scarf to a dramatic 80-inch one meant to wrap twice) — doubling either dimension roughly doubles the yardage, so the honest answer depends entirely on which scarf you're actually making, not a single number that covers every version of "scarf."
Scaling the 547-yard figure is riskier than it looks
Because different stitch patterns don't consume yarn at a uniform rate, doubling a dimension doesn't reliably double the total the way pure geometry might suggest — the safer path is plugging your own width, length, and stitch pattern straight into the Yarn Quantity Estimator rather than scaling this page's number by eye.
How yarn weight changes the total
At a fixed finished size, a bulkier yarn needs fewer total yards to cover the same area (each stitch is wider and taller, so fewer stitches fill the space), while a finer yarn needs more. This site's yarn weight guides give a representative yardage figure at each weight's own typical gauge if you're still choosing a weight rather than locked into worsted.
Stitch pattern matters more here than on many projects
Scarves are almost never worked in plain stockinette, since it curls badly at this scale — garter, seed stitch, and ribbed patterns are all common choices, and each uses a genuinely different amount of yarn per stitch at the identical gauge. The 547-yard figure above assumes garter specifically; a ribbed scarf at the same dimensions would compute differently.
FAQ
Does a crochet scarf use meaningfully different yardage than a knit one at the same dimensions? Often yes — crochet's density varies by stitch height more than knit's does, and this site's own calibration shows the direction isn't consistent across all crochet stitches, so re-run your actual stitch pattern through the calculator rather than assuming crochet always uses more or less.
Is one skein usually enough for an adult scarf? Rarely on its own — a standard 100-gram worsted skein commonly runs 200-220 yards, so a scarf at the figure above realistically needs two or three, and the exact count comes down to your specific skein's printed yardage rather than a round-number guess.
How much should I add for fringe if I'm planning to add it? Fringe uses a genuinely separate, additional length of yarn beyond the body of the scarf — estimate fringe length per strand times the number of strands you want, and add that total on top of the body estimate rather than assuming the standard allowance covers it.