Hello, 1 year old chest circumference: 50 cm, height: 45 Cm 2 years old chest circumference: 52 Cm, height: 47 Cm 3 years old chest circumference: 55 Cm, height: 50 Cm 4 years old chest circumference: 57 Cm, height: 58 Cm 5 years chest circumference: 62 Cm, height: 63 Cm 6 years old Chest circumference: 65 Cm, Height: 66 Cm Age 7 Chest Circumference: 67 Cm, Height: 70 Cm 8 years old Chest circumference: 68 Cm, Height: 73 Cm 9 years old Chest circumference: 69 Cm, Height: 76 Cm 10 Years Chest Circumference: 70 Cm, Height: 79 Cm 11 years old Chest circumference: 72 Cm, height: 82 Cm 12 years old Chest circumference: 76 Cm, Height: 85 Cm