these measurements are the sizes I used for all my children's patterns size ID; .. chestsize.. waist ...... hip..... armlength 20 51/ 86 51 cm/20 in 51 cm/20 in 56 cm/22 in 20 cm/ 8 in 22 56/ 98 56 cm/22 in 53 cm/21 in 61 cm/24 in 22 cm/ 8.5 in 24 61/116 61 cm/24 in 56 cm/22 in 66 cm/26 in 26 cm/10.5 in 26 66/128 66 cm/26 in 58 cm/23 in 71 cm/28 in 30 cm/ 12 in 28 71/140 71 cm/28 in 61 cm/24 in 76 cm/30 in 34 cm/13.5 in 30 76/152 76 cm/30 in 65 cm/25.5 in 81 cm/32 in 38 cm/ 15 in 32 81/158 81 cm/32 in 67 cm/26.5 in 86 cm/34 in 40 cm/ 16 in SIZES IN INCHES children’s size 20 22 24 26 28 30 32 age in years 2 4 6 8 10 12 14 ********************************************************************************** chest 20 22 24 26 28 30 32 waist 20 21 22 23 24 25.5 26.5 hip 22 24 26 28 30 32 34 ********************************************************************************** back with 9.25 9.5 10.25 10.75 11.25 12 12.25 arm length 8 8.5 10.5 12 13.5 15 16 neck to waist 9 9.5 10.8 11.8 12.8 13.8 15 ********************************************************************************** waist to hip 4.2 4.9 5.7 6.3 6.6 7 7.4 waist to knee 12 14 16 18 19 20 21 waist to ankle 20 23 26.5 29.5 31.5 33 35 ********************************************************************************** armhole depth 4.25 4.5 5 5.5 6 6.5 7 upper arm 6 6.5 7 7.5 8 8.5 9 wrist 4.5 4.75 5 5.25 5.5 5.75 6 ********************************************************************************** head circumference 19.5 20 20.5 21 21.25 21.5 21.75 neck width 4.66 4.91 5.16 5.3 5.4 5.5 5.6 neck depth 2 2.2 2.4 2.5 2.6 2.8 3 ********************************************************************************** body rib 1.75 1.75 1.75 2 2 2 2.5 neck rib 0.75 0.75 0.75 0.75 0.75 0.75 1 ********************************************************************************** ease factor 1 1.05 1.1 1.14 1.18 1.23 1.27 SIZES IN CMS children’s size 20 22 24 26 28 30 32 age in years 2 4 6 8 10 12 14 size ID 51 56 61 66 71 76 81 European size 86 98 116 128 140 152 158 ******************************************************************************** chest 51 56 61 66 71 76 81 waist 51 53 56 58 61 65 67 hip 56 61 66 71 76 81 86 ******************************************************************************** back with 23.5 24.1 26 27.3 28.6 30.5 31.1 arm length 20.3 21.6 26.7 30.5 34.3 38.1 40.6 neck to waist 22.9 24.1 27.4 30 32.5 35.1 38.1 ******************************************************************************** waist to hip 10.6 12.5 14.4 16 17 17.8 18.7 waist to knee 30 36 41 45 48 51 53 waist to ankle 50 59 68 75 80 84 88 ******************************************************************************** armhole depth 10.8 11.4 12.7 14 15.2 16.5 17.8 upper arm 15.2 16.5 17.8 19.1 20.3 21.6 22.9 wrist 11.4 12.1 12.7 13.3 14 14.6 15.2 ******************************************************************************** head circumference 49.5 50.8 52.1 53.3 54 54.6 55.2 neck width 11.8 12.5 13.1 13.5 13.7 14 14.2 neck depth 5.1 5.6 6.1 6.4 6.6 7.1 7.6 ******************************************************************************** body rib 4.4 4.4 4.4 5.1 5.1 5.1 6.4 neck rib 1.9 1.9 1.9 1.9 1.9 1.9 2.5 ******************************************************************************** ease factor 2.5 2.7 2.8 2.9 3 3.1 3.2 copyright jessica tromp www.jessica-tromp.nl  US METRIC needle size st x rows= needle size (mm)  0 2 mm 8 x 12 10  1 2.5 mm 10 x 14 8  2 2.75 mm 12 x 16 7  3 3.25 mm 14 x 19 6.5  4 3.5 mm 16 x 22 6  5 3.75 mm 18 x 24 5.5  6 4 mm 20 x 26 5  7 4.5 mm 22 x 29 4.5  8 5 mm 24 x 32 4  9 5.5 mm 26 x 34 3.5 10 6 mm 28 x 37 3 11 6.5 mm 13 8 mm 15 10 mm 17 12.75 mm 19 15 mm pattern sizes from www.jessica-tromp.nl