• Convert Meters to Yards:  Multiply meters by 110 percent (1.1)

  • Convert Yards to Meters:  Multiply yards by 90 percent (0.9)

  • Convert grams to ounces:  Multiply grams by 3.5 percent (0.035)  

  • Approximate:  50 grams = 1.75 ounces.   100 grams = 3.5 ounces.   250 grams = 8.8 oz.   500grams = 17.6 ounces

Measurement Conversion Chart

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U.S. to Metric Size Conversion for Knitting Needles & Crochet Hooks

U.S. Needle 000 00 0 0.5 1 1.5 2 3 4 5 6 7 8 9 10 10.5 10.8 11 13 15 17 19   36 50
Metric mm 1.5 1.75 2 2.25 2.5 2.75 3 3.25 3.5 3.75 4 4.5 5 5.5 6 6.5 7 8 9 10 12 15 16 20 25
U.S. Hooks     A B B C C D E F F G H I J K K L M N O P Q S  
Estimate Yarn Yardage for Socks, Hats, Afghans, Sweaters & More.

For cardigans, add 100 extra yards. For turtleneck and cowls, add 200 extra yards.  Oversize sweaters add about 25%, all-over pattern stitches add 33 % more yardage. Sweaters with more than one color also require more yarn.  Add 30% to amounts for crochet.

Socks

 Gauge

Child S - M - L

Foot length 5, 6½, 8

Adult S - M - L

Foot length 9½, 10½, 11½
Sock - Fingering Weight 6 - 8 sts per inch

150 - 225 - 275 yds.

325 - 425 - 525

Sport weight

 5 - 6 sts per inch

125 - 175 - 225

250 - 325 - 400

Worsted weight

 4 - 4½ sts per inch

125 - 150 - 200

250 - 300 - 350

Bulky weight

 3 - 3½ sts per inch

100 - 125 - 150

175 - 225 - 275

Hat

 Gauge

Child - Adult

18" - 20" - 22"

  

Sport weight

 5 - 6 sts per inch

175 - 225 - 275 yds.

  

Worsted weight

 4 - 4½ sts per inch

175 - 225 - 250

  

Bulky weight

 3 - 3½ sts per inch

125 - 150 - 175

  
Mitten Gauge

Child  5", 5½"

 Adult  6",  7",  8"
Sock - Fingering Weight   Yards Yards

Sport weight

 5 - 6 sts per inch 75 - 100 125 - 150 - 175

Worsted weight

 4 - 4½ sts per inch 75 - 100  125 - 150 - 175

Bulky weight

 3 - 3½ sts per inch 50 - 75 100 - 125 - 150
Afghan-Throw Gauge Baby 60" x 60"

Sock - Fingering weight

 6 ½ - 7 sts per inch 1351 yds. 3500 yds.

Sport weight

 5 - 6 sts per inch 1200 yds. 3,150 yds.

DK  Double Knit

 5 sts per inch 1100 yds. 2800 yds.

Worsted weight

 4 - 4½ sts per inch 1000 yds. 2,660 yds.

Bulky weight

 3 - 3½ sts per inch 850 yds. 1,875 yds.
Scarf Gauge Child 6" x 40" Adult 8" x 54"

Sock - Fingering weight

 6 ½ - 7 sts per inch 440 yds. 660 yds.

Sport weight

 5 - 6 sts per inch 350 yds 700 yds

DK  Double Knit

 5 sts per inch 250 yds 450 yds

Worsted weight

 4 - 4½ sts per inch 190 yds 380 yds

Bulky weight

 3 - 3½ sts per inch 125 yds 250 yds

Vest

  

Child

24" - 28 "-  32"

Adult

36"- 40"- 44" - 48"- 52"

Sock - Fingering weight

 6 ½ - 7 sts per inch 400 550 750 yds. 950 1125 1300 1450 1650 yds.

Sport weight

 5 - 6 sts per inch 300 400 600 yds. 700 850 950 1100 1250 yds.

DK  Double Knit

 5 sts per inch 275 375 550 yds. 650 800 900 1000 1100 yds

Worsted weight

 4 - 4½ sts per inch 250 350 500 yds. 600 750 850 950 1050 yds.

Bulky weight

 3 - 3½ sts per inch 175 250 400 yds. 450 550 650 700 800 yds.
Sweater  

Child

24" - 28 "-  32"

Adult

36  "-  40"  -  44"  -  48"  -  52"
Sock - Fingering Weight 6 ½ - 7 sts per inch 750 100 1450 yds. 1800 2100 2500 2700 3000

Sport weight

 5 - 6 sts per inch 550 800 1100 1400 1600 1900 2100 2300

Worsted weight

 4 - 4½ sts per inch 500 650 1000 1200 1400 1600 1800 2000

Bulky weight

 3 - 3½ sts per inch 350 500 700 900 1000 1200 1300 1500
Have yarn that lost its label? You can estimate its gauge by wraps per inch.

Estimating Knitting Gauge Using WPI. WRAPS PER INCH or by Yarn Size

This is meant to be a starting point for sampling. Machine and hand knitters need to sample, with at least 4" square. A difference of 1 stitch can add up to enormous size differences. Not all yarns fit neatly into a single category, adjustments to needle size you should get the correct gauge.

Standard Size British WPI Approx. Gauge Needle size approx. yd/oz. approx. yd/lb
Baby 3 ply 8-9 st/inch 1-2
Fingering 4 Ply 16 wpi 7 st/inch 1-3 110-144 1700-2300
Sport DK 14 wpi 5 - 6 st/inch 4-6 75-110 1200-1600
Worsted Aran 12 wpi 4-5 st./inch 7-9 55-75 850-1100
Bulky 9 wpi 3-3 st./inch 10-11 30-55 500-900

Lace

Gauge Varies. Fine knitting or crochet.

Knitting Machine: Tension 3-4 on 4.5mm machine (standard bed)

Sock, Baby, Fingering 1500 + yds per lb.

14 wraps per inch. 94 yds+ per oz.

Needle size: 0-3 (2-3.25mm) Knit gauge 7 or more stitches = 1"

Crochet Hook size: D/3-E/4 Crochet gauge: 22-28 stitches = 4"

Machine Knit: Tension 7-8 on 4.5mm machine (standard bed)

Sport 1200-1600 yds per lb. 12 wraps per inch. 75-100 yds per oz.

Needle size: 4-6 (3.5-4mm) Knit gauge: 7 sts = 1"

Crochet Hook size: F/5-G/6 Crochet gauge: 16-20 sts = 4"

Machine Knit: Tension 9-10 on 4.5mm machine (standard bed)

Tension 3-6 on a 6.5 or 7.0 mm machine (mid-gauge bed)

DK Double Knit 1200-1600 yds per lb.

11 wraps per inch. 75-100 yds per oz.

Needle size: 5-7 (3.75-4.5mm) Knit gauge: 6 sts = 1"

Crochet Hook size: F/5-G/6 Crochet gauge: 16 sts = 4"

Machine Knit: Tension 5-7 on 6.5-7 mm (mid-gauge bed machines)

Tension 0-1 on 9mm (bulky bed machines)

Light - Medium Worsted 850-1150 yds per lb.

9 wraps per inch. 53-72 yds per oz

Needle size: 7-9 (4.5-5.5mm) Knit gauge: 5 sts = 1"

Crochet Hook size: H/8-J/10 Crochet gauge: 12-16 sts = 4"

Knitting Machine: Tension 5 on 9mm (bulky bed machines)

Tension 8-10 on 6.5-7mm (mid-gauge bed machines)

Heavy Worsted or Bulky 500-900 yds per lb. 31-56 yds per oz

7-8 wraps per inch

Needle size: 9-11 (5.5-8mm) Knit gauge: 4 sts = 1"

Crochet Hook size: K10 ½-L (7mm) Crochet gauge: 8-12 sts = 4"

Knitting Machine: Tension 7-9 on 9mm (bulky bed machines)