Handy knitting calculators and charts

To convert from one to the other, just input a value and the conversion will appear in the empty box.

Convert between mm and inches

mm
inches
Convert between yards and metres

yards
metres
Convert between grams and ounces

grams
ounces

Quick links

My pattern requires x amount of yardage
The yarn I want to use has x amount of yardage. How many balls do I need to make my garment?
How many stitches do I need to knit?
How many rows do I need to knit?
Roughly how much yarn will I need for a particular garment?
Country yarn weight conversion and needle requirements


My pattern requires x amount of yardage

Number of balls    balls
Yardage of one ball    yards
  

The yarn I want to use has x amount of yardage. How many balls do I need to make my garment?

Total pattern yardage required    yards
Yardage of one ball    yards
  

How many stitches do I need to knit?

Your stitch count    stitches per inch
Width required    inches
  

How many rows do I need to knit?

Your rows per inch    rows per inch
Length required    inches
  

My pattern requires x amount of yarn (by weight)

Weight required    grams
Weight of one ball    grams
  

Roughly how much yarn will I need for a particular garment?

Yarn Weight Category Tyles of Yarn in Category Stitches per Inch Yards Needed for a Hat Yards Needed for a Scarf Yards Needed for an Adult Sweater
1 Superfine sock, fingering, 1-3 ply, baby 7 to 8 300 to 375 350 1,500 to 3,200
2 Fine sport, baby 6 to 7 250 to 350 300 1,200 to 2,500
3 Light DK, light worsted 5 to 6 200 to 300 250 1,000 to 2,000
4 Medium worsted, aran 4 to 5 150 to 250 200 800 to 1,500
5 Bulky/Chunky chunky, bulky, craft, rug 3 to 4 125 to 200 150 600 to 1,200
6 Super bulky/chunky bulky, chunky, roving 1.5 to 3 75 to 125 125 400 to 800

Country yarn weight conversion and needle requirements

USA UK Australia Suggested needle (mm)
Laceweight 1 ply 2 ply 1.5–2.25 mm
Fingering 2 ply 3 ply 2.25– 3 mm
Sock 3 ply 3 ply 2.25— 3.25 mm
Sport 4 ply 5 ply 3.25— 3.75 mm
DK/Light Worsted DK 8 ply 3.75— 4.5 mm
Worsted Aran 10 ply 4.5— 5.5 mm
Bulky Chunky 12 ply 5.5– 8 mm
Super Bulky Super Chunky 14 ply 8 mm and up