5 Best Convertible Booster Car Seats for Growing Kids Ranked & Reviewed for 2025
Discover the best convertible booster car seats to keep your child safe from toddler to youth. Perfect for every growing family!
Graco Tranzitions 3 in 1 Harness Booster Seat
$119.99Features:
3-in-1 harness booster, grows with your child from 22-100 lbs, adjustable headrest, machine washable, easy to install
What We Think:
"This seat is like a loyal sidekick that grows with your little adventurer! It's super convenient for parents on-the-go!"
Why You'll Love It:
"Parents rave about its versatility and safety. Plus, the adjustable headrest makes it perfect for growing kids!"
Safety 1st Grand 2-in-1 Booster Car Seat
$63.99Features:
2-in-1 functionality, fits 3 across, lightweight design, adjustable headrest, machine washable
What We Think:
"This seat is a total game-changer for families! It's lightweight, perfect for carpooling, and cleans up like a breeze."
Why You'll Love It:
"Parents love its 3-across fit and how easy it is to transition from infant to booster seat!"
Graco Slimfit 3 in 1 Convertible Car Seat
$199.99Features:
3-in-1 functionality, space-saving design, steel-reinforced frame, easy installation, durable
What We Think:
"Sleek and comfy, this car seat offers safety and convenience without compromising space—perfect for tight backseats!"
Why You'll Love It:
"Its slim design is praised by many parents who want to maximize seating space while keeping safety top of mind."
Evenflo Chase Harnessed Booster
$79.99Features:
2-in-1 combination booster, side impact tested, lightweight, integrated cup holders, easy to clean
What We Think:
"This seat is not just about safety; it’s also about comfort. Those cup holders are a hit for kids on long drives!"
Why You'll Love It:
"With great safety ratings and a perfect fit for growing kids, this car seat is a family favorite!"
Evenflo Maestro Sport Convertible Booster Car Seat
$75.99Features:
5-point harness, easy to clean, dual-use from toddler to child, built-in cup holders, safe and convenient
What We Think:
"A fantastic pick that will keep your little one secure and comfortable as they grow into a big kid!"
Why You'll Love It:
"The convenience of the easy-to-clean features and built-in cup holders makes this seat a total win for busy parents!"