I prefer po yung galing sa National Nutrition Council.
National Nutrition Council weight chart - Boys: https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://nnc.gov.ph/downloads/category/34-who-cgs-reference-table-0-71-mos%3Fdownload%3D61:weight-for-age-reference-table-boys&ved=2ahUKEwixxNWJu8CDAxVia2wGHeqqCZYQFnoECBkQAQ&usg=AOvVaw3fQMP2jvJXLYr3oyS7PsGg
National Nutrition Council weight chart - Girls
https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.nnc.gov.ph/phocadownloadpap/WHO_CGS_Reference_Table_2018/Weight%2520for%2520Age%2520Reference%2520Table,%2520Girls.pdf&ved=2ahUKEwjuocKUi4GEAxWFUGcHHTZfAD8QFnoECBMQAQ&usg=AOvVaw00cPv_lGiZ5FB9eVOVGwMh