Knitter's Addiction's Conversion Charts

Knitting Needle Conversion Chart


Metric (mm) US Imperial
2 0 14
2.25 1 13
2.5 - 12
2.75 2 12
3 3 11
3.25 4 10
3.5 - 9
3.75 5 9
4 6 8
4.5 7 7
5 8 6
5.5 9 5
6 10 4
6.5 10.5 3
7 10.5 2
7.5 11 1
8 11 0
9 13 00
10 15 000

Crochet Hook Conversion Chart


Metric (mm) US Imperial
2 - 14
2.25 1 / B 13
2.5 - 12
2.75 C 11
3 - 11
3.25 D 10
3.5 4 / E 9
3.75 F -
4 6 8
4.5 7 / G
 7
5 8 / H
 6
5.5 9 / I
 5
6 10 / J
 4
6.5 10.5 / K
 3
7 - 2
7.5 - -
8 - 0
9 15 / N 00
10 P 000

Metric System Conversions

Sometimes we will need to convert some of your measurements or amounts from one measuring system to another.  All you need is a calculator and the following conversion rates to help you. 

If you know the grams, multiply by 0.0353 to get the ounces
If you know the ounces, multiply by 28.35 to get the grams

If you know the metres, multiply by 1.093 to get the yards
If you know the yards, multiply by 0.914 to get the metres

If you know the centimetres, multiply by 0.394 to get the inches
If you know the inches, multiply by 2.54 to get the centimetres