How tall do you need to be to ride in the passenger seat?

There is no specific height requirement to ride in the passenger seat of a vehicle; however, safety regulations often recommend that passengers be tall enough for the seatbelt to fit properly across their lap and chest. Typically, children should be at least 4 feet 9 inches tall to use a regular seatbelt safely without a booster seat. Ultimately, the key factor is ensuring that the seatbelt fits correctly and that the passenger can sit comfortably and safely.