Newborn 0-3 Month 3-6 Month 6-9 Month 6-12 Month 9-12 Month 12-18 Month 18-24 Month 24-36 Month 1-2 Year 2-3 Year 2.5 Year 3-4 Year 4-5 Year 4-5Year 5-6 Year 6-7 Year 7-8 Year 8-9 Year 9-10 Year 10-11 Year 11-12 Year 12-13 Year 13-14 Year 14-15 Year L (9-12 Year) M ( 5-9 Year) S (3-5 Year)