Measurement Conversions

Hat sizes
English size 6 6⅛ 6⅜ 6⅝ 6⅞ 7 7⅛ 7⅜ 7⅝
Head circumference 19¼ 19⅝ 20 20½ 20⅞ 21¼ 21⅝ 22 22⅜ 22¾ 23⅛ 23½ 24 24⅜ 24¾
New jockey size 0 000½ 0 00½ 0 1 2 3 4 5
Centimetres 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
Girth conversions
Centimetres 40 45 50 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140
Inches 16″ 18″ 20″ 22″ 26″ 28″ 30″ 32″ 34″ 36″ 38″ 40″ 42″ 44″ 46″ 48″ 50″ 52″ 54″ 56″
Footwear – Ladies
UK 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5
EU 36 36.5 37 37.5 38 38.5 39 40 41 41.5 42 42.5
US 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11
Footwear – Men
UK 7 7.5 8 8.5 9 9.5 10 10.5 11 12
EU 41 41.5 42 42.5 43 44 44.5 45 46 47
US 8 8.5 9 9.5 10 10.5 11 11.5 12 13
Racesafe child body protector - Level 3
Sizes in Centimetres M L XL
Chest 60–70 70–76 76.5–83.5
Waist 62–67 67–72 72–77
Over shoulder 66–74 75–83 75–83
Racesafe adult body protector - Level 3
Sizes in Centimetres XS S M L XL
Chest 80–88 83.5–91.5 91.5–101 100–110 109–118
Waist 73–80 77–84 84–91 91–100 100–108
Over shoulder 84–93 84–93 84–93 94–104 94–104
Racesafe body protector - Level 1
Sizes in Centimetres Flat S Flat Flat L National Hunt National Hunt L Point to Point Point to Point L
Chest 68–78 77–87 77–87 84–93 84–93 92–101 92–101
Waist 56–68 67–77 67–77 74–83 74–83 82–91 82–91
Shoulder 75–85 75–85 85–95 85–95 95–105 85–95 95–105