There may not be a perfect size to determine booster seat usage but the childs height will ultimately help determine how the lap belt fits. However some models made by britax can accommodate children up to 65 lbs. Thats the height at which seat belts begin fitting kids correctly for the best protection. The american academy of pediatrics aap recommends babies be in rear facing seats until age 2 or until they reach the car seats height or weight limit. And even as much as 80 lbs. If you need help installing your car seat trust a professional and find a car seat inspection station near you.
The american academy of pediatrics encourages parents to keep kids in a booster seat until they are anywhere from 8 to 12 years old and at least 57 inches tall. Visit our main car seat safety page for additional age weight and height guidelines. And check out these booster seat requirements. That usually happens between the ages of 10 and 12 when the child is close to five feet tall or 120 pounds. Parents must also check their car seat manufacturers height and weight limits and follow recommendations from health and safety organizations. Most forward facing car seats accommodate children between 20 and 40 lbs.
When most kids turn 4 that is when parents need to move them from their forward facing car seat to a booster seat. Kids can stop using a booster seat whenand only whenthe car seat belt properly fits them without the help of a booster seat. Children may begin using a booster seat as early as the age of 3 but the car seat lady asserts that as many as 50 percent of 10 year old children still require booster seats for optimum lap belt placement. Thats usually 30 to 60 pounds 136 to.