10 Best Lightweight Convertible Car Seat of December 2025

• 3-in-1 harness booster helps protect your child, from toddler to youth
• Grows with your child from forward-facing harness (22-65 pounds) to highback booster (40-100 pounds) to backless booster (40-100 pounds) to continue to meet industry standards, we have increased the weight minimum from 30 to 40 pounds
• No-rethread simply safe adjust harness system allows the headrest and harness to adjust together in one motion
• Lightweight, portable seat is ideal for busy, active parents
• One-hand, 8-position adjustable headrest grows with your child
• 2 easy-to-clean cup holders keep your child's drinks and snacks close at hand
• Open-loop belt guides help properly position your vehicle’s seat belt
• Seat pad, body support, and harness covers are comfortable and machine washable
• Graco ProtectPlus Engineered: A combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear & rollover crashes
• Meets or exceeds the child restraint criteria for a frontal crash test under the US FMVSS 213

Graco

• REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old
• HIGH BACK BOOSTER: Keep your child safe and comfortable with the high back booster seat mode now up to 120 lb, 54 kg. The high back booster adds an extra layer of protection and comfort for any child transitioning into booster mode
• 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the Radian 3R adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs
• REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child
• THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat

DiONO

• 3 car seats in 1 – Rear-facing for infants 4-50 pounds | Front-facing for toddlers 22-65 pounds and for big kids 30-100 pounds
• Made of Steel reinforced | Product dimensions – 20.75” D x 19” W x 24.5” H | Product weight – 19.25 lbs.
• 4-position extension panel adjusts to provide 5 inches of additional legroom, allowing your child to ride safely rear facing longer | 6-position recline helps keep your child comfy | 10-position headrest adjusts easily for your growing child
• Simply Safe Adjust Harness System adjusts the height of your harness and headrest in one motion to ensure that your child is always properly secured
• Graco ProtectPlus Engineered – A combination of the most rigorous crash tests that helps protect your child in frontal, side, rear & rollover crashes | Additional testing based on the New Car Assessment Program and for extreme car interior temperatures

Graco

• An extra-comfortable ride that lasts for years: Rear-facing 5-40 pounds and forward-facing 22-65 pounds
• Side impact protection
• Fits 3 across in the back seat of most vehicles
• 2 removable dishwasher-safe cup holders
• 5-point harness with easy up-front adjustment

Safety 1st

• Easy installation: Patented click tight makes car seat installation as simple as buckling a seat belt
• No rethreading, ever: 14 position harness, 2 position buckle for a comfortable fit as your child grows
• Relax and recline: 7 recline positions ensure comfort and the best vehicle installation angle
• Surrounded in safety: A layer of side impact protection, steel frame and impact absorbing base
• Fits: Rear facing 5 to 40 pounds and forward facing 20 to 65 pounds; dimensions: 23 x 18.5 x 23.5 inches (LxWxH); shoulder width 16 inch

BRITAX

• Designed to help protect your rear facing child from 5 40 pounds and your forward facing child from 22 65 pounds
• Simply Safe Adjust Harness System adjusts the harness and headrest height together with one easy motion no re threading required
• Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your child in frontal, side, rear & rollover crashes; additional testing based on the New Car Assessment Program and for extreme car interior temperatures
• 8 position headrest is adjustable using one hand and easily adapts to your growing child's needs
• Hassle free installation in the rear facing position using LATCH and an easy to read level indicator

GRACO

• 4 seats in 1: 4-in-1 seat gives you 10 years of use--it seamlessly transforms from rear-facing harness (5-40 lb), to forward-facing harness (22-65 lb), to highback booster (40-100 lb), to backless booster (40-110 lb).
• Simply Safe Adjust Harness System: Adjust the height of your harness and headrest to 10 positions in one motion to ensure that your child is always properly secured.
• 10-position Headrest: One-hand, 10-position adjustable headrest is easy to use and grows to properly fit your growing child.
• 6-position Recline: Helps keep your growing child comfy on your many journeys together.
• Latch Equipped: For an easy installation.
• Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps protect your child in frontal, side, rear & rollover crashes; additional testing based on the New Car Assessment Program and for extreme car interior temperatures

GRACO

• 3 modes of use: rear facing infant mode (4-18lbs), rear facing toddler mode (18-40lbs), and forward facing toddler mode (22-65lbs)
• Immediate right installation angle: rear-facing recline flip foot allows for great installation angles with ease; The built-in bubble level indicator helps find the correct angle
• Fits three across: at its widest, the Trooper is 16.75" Allowing it to fit 3 ACROSS in most vehicle
• Shoulder & crotch buckle adjustment: 5-position shoulder height adjustment and 3- position crotch buckle for seat adjustment
• Safe with head protection: super deep side wings for better side impact protection

Baby Trend

• 4 in 1 car seat gives you 10 years of use: seamlessly transforms from rear facing harness car seat (4 40 pounds), to forward facing harness car seat (22 65 pounds), to high back belt positioning booster (40 100 pounds), to backless belt positioning booster (40 120 pounds)
• Graco protect Plus engineered helps to protect Your little one in frontal, side, rear and rollover crashes
• Simply safe adjust harness system adjusts the height of your harness and headrest to 10 positions in one motion to ensure that Your child is always properly secured.Do not use bleach
• 6 position recline helps keep your growing child comfy on Your many journeys together
• The Graco exclusive In right Latch attachment provides an easy, one second attachment with an audible click to help ensure secure installation
• Integrated belt lock off for easy vehicle seat belt installation
• Machine washable, rapid remove cover removes in 60 seconds without uninstalling the seat for easy cleaning
• Care: metal and plastic parts may be cleaned with mild soap and cool water

Graco

• This convertible car seat helps protect rear facing infants from 5-40 pounds and forward facing toddlers from 22-40 pounds. Age at least two years of age
• The Tribute LX meets or exceeds all applicable Federal Safety Standards, as well as Evenflo's Side Impact Test Standard for Structural Integrity. Forward facing Fit: The top of the child’s ears is at or below the top of child restraint seat back
• The 5-point harness system with 4 shoulder strap positions allow this convertible car seat to accommodate growing children longer. Rear facing fit tip is top of child head is at least 1 inch below the top of the child restraint seat back
• The light and compact weight of the Tribute LX makes it an excellent choice for smaller vehicles, movement between multiple cars, and air travel
• Easy to remove machine washable seat pads allow for quick and easy cleaning; Also comes with a removable cup holder and Plastic and metal parts may be wiped clean with mild soap and water and dried with a soft cloth, do not use abrasive cleaners or solvents
• 5-point harness system with up-front adjustment
• Removable cup holder
• 4 shoulder strap positions
• Machine washable pad
• Compact size for great vehicle fit

Evenflo