Struggling with what size to get? Use the table below to roughly gauge children's shoe sizes to their age, or convert between UK, US and EU shoe sizes.

We believe in finding the perfect fit for your feet, that's why our sizing is slightly more specific than other sock sites. 

(Swipe left on mobile to view more columns of the table)

 Socks:

Roy's Boys Size Range Age (approx) UK US EU
UK 3-5.5 (Child's) 1-2 yrs 3-5.5 4-6.5 19-22
UK 6-8.5 (Child's) 2-3 yrs 6-8.5 7-9.5 23-26
UK 9-12 (Child's) 3-6 yrs 9-12 10-13 27-31
UK 12.5-3.5 (Child's) 7-10+ yrs 12.5-3.5 13.5-4.5 31-36
UK 4-7.5 Adult 4-7.5 5-8.5 37-41.5
UK 8-11 Adult 8-11 9-12 43-46
UK 11.5-14 Adult 11.5-14 12.5-15 46.5-49

 

Pyjamas: (swipe for more columns on mobile)

Age Height Height Chest Chest Waist Waist
18-24 Months 34-36" 86-92cm 20.75" 53cm 20.5" 52cm
2-3 Years 36-38" 92-98cm 21.5" 55cm 20.75" 53cm
3-4 Years 38-41" 98-104xcm 21.5" 55cm 20.75" 53cm
4-5 Years 41-43" 104-110cm 23" 59cm 21.5" 55cm
5-6 Years 43-46" 110-116cm 24" 60cm 22.5" 57cm
7-8 Years 48-51" 122-128cm 26" 67cm 23.5" 60cm
9-10 Years 53-55" 134-140cm 29" 73cm 25" 64cm
11-12 Years 57-60" 146-152cm 31 79cm 27"

68cm

 

Women's Pyjamas:

UK Size Chest Waist Leg
8-10 33-34" 22.5-27" 33-34"
12-14 35.5-37" 28-30" 35.5-37"
16-18 39-41" 32-34.5" 39-41"
18-20 43-45" 37-38.5" 43-45"

20-22

48.5-50.5" 43-45.75" 48.5-50.5"

 

Men's Pyjamas:

 Size

Chest

Neck

Waist

Leg

Small

34-36"

14-14.5"

28-30"

40"

Medium

38-40"

15-15.5"

32-34"

41"

Large

42-44"

16-16.5"

36-38"

42"

X-Large

46-48" 17-17.5" 40-42" 43"

XX-Large

50-52" 18-18.5" 44-46" 43"