10 Best Convertible Car Seats For Kids (June 2023 Review & Buyers Guide)

REAR-FACING FOR LONGER - Designed and engineered to keep your child rear facing even longer up to 50 lb / 22.7 kg, approx. 4 years old.

10 YEARS ONE CAR SEAT - With 4 ways to travel from birth to booster, the Radian 3R adapts as your child grows to offer a custom fit from birth up to 120 lb / 54 kg.

STEEL CORE - Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect.

THE ORIGINAL RADIAN 3 ACROSS: Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat.

The car seat built to grow for extended use through 3 stages: rear-facing 5-40 lbs., forward-facing 22-65 lbs., and belt-positioning booster 40-100 lbs.

ComfortPlus footrest works in all 3 positions: rear-facing, forward-facing and big kid.

ComfortPlus footrest provides up to 7 inches of additional leg room in rear-facing mode, allowing kids to ride more comfortably up to the max rear-facing limit

For toddlers, sitting forward-facing, the ComfortPlus footrest helps kids sit more comfortably and supports shorter, dangling legs

For big kids, ComfortPlus lowers down to act as a comfortable footrest

Spring assist EZ out harness system keeps floppy straps propped up, making it easy to get child in and out of the seat

Machine washable and dryer safe seat pad is removable and lifts away quickly from the seat frame for easy cleaning

For drinks on the go, there are two removable and machine washable cupholders – one conveniently accommodates a two-handle sippy cup as well as your favorite snacks

QuickFit Harness for easy adjustment of both harness and headrest in one simple step

5-point harness with up front adjustment

3-in-1 CAR SEAT: Rear-facing with harness: 5-40 lb; forward-facing with harness: 22-65 lb; and forward-facing booster: 40-100 lb

HAPPY PLANET COLLECTION: Fabrics made with recycled materials as part of our Do More promise to Recycle, Reimagine, and Give Back

SLIM, SPACE-SAVING DESIGN: It's a back seat space savior

NO STRAP STRUGGLE: No-rethread harness system; one-hand, 6-position headrest and harness adjust together

6-POSITION RECLINE: 3 rear-facing and 3 forward-facing positions for the right install

3D TOTAL ADJUST TECHNOLOGY The Viaggio Shuttle Plus can be adjusted in 4 different directions, which are all independent from one another: 1) the headrest 2) the upper backrest 3) the side wings

Integrated rigid LATCH allows for easy installation and stability. The rigid LATCH can also tuck into the seat when it is not in use.

BLIND LOCK ATTACHING SYSTEM Prevents the car seat from being accidentally released by another passenger

REMOVABLE BACKREST When your child is ready for a backless booster, the Shuttle Plus easily transforms into a backless booster with the push of a button

SIP All Side Impact Protection protect's child's head, neck and spine. The wide curving headrest and broad backrest with adjustable side wings help protect against side collisions

The Evenflo Every fit 4-in-1 car seat has been engineered for maximum comfort, safety, and longevity. It accommodates your child by adjusting to multiple positions, allowing kids to ride rear-facing beyond 2 years of age-without extending the seat.

Safety is a priority: The every fit meets or exceeds all applicable federal safety standards and Evenflo Side Impact standard, with advanced Side Impact protection that reduces crash forces up to 30%. and, Installation is easy

Comfort: Innovative air flow Mesh fabrics are designed to keep your child cool. Angles your child comfortably to minimize head slump with 3 rear-facing recline positions and 1 forward-facing recline position.Do not use abrasive cleaners or solvents

Proper fit: The 1-hand, 12-position headrest and easy to slide no-rethread harness straps can adjust as your child grows without uninstalling the car seat.

Convenience: Machine-washable fabrics are easy to remove for cleaning. Dual integrated cup holders removable snack tray to put drinks and snacks within arm's reach.

Integrated Adjustable Canopy for UV Protection: Integrated height and angle adjustable canopy for in-car UV protection. Flip-out side visors provide additional shade protection for either side of the car seat.

4-in-1 Seating System: Built for extended use including 1) Rear Facing Infant mode from 4 to 18lbs 2) Rear Facing Toddler mode from 18 to 40lbs 3) Forward Facing with Harness mode from 22 to 65 lbs 4) Belt Positioning Booster mode from 40 to 100lbs

Comfort & Convenience for Kiddos: Child can quickly adjust the canopy when car is in motion and sun is coming from multiple directions. The CoverMe's exclusive Comfort Cabin offers extra padding to keep child comfortable on long rides.

Includes an integrated headrest with no rethread harness. Three positions recline that allows front seat passengers to have extra legroom, while an integrated recline flip foot offers dual adjustment and gives the right angle with ease.

Fits Three Across in Most Vehicles: At its widest. the Baby Trend CoverMe 4-in-1 Convertible Car Seat is 18.25", which allows it to fit three children across in most vehicles.

Convertible Forward Facing Car Seat: Keep your child safe as they grow from toddler to child with this forward-facing car seat for kids ages 2-8 years old or from 22-110 pounds; Dimensions (L x W x H): 17 x 19 x 27.5 inches

Dual Use: 5-point harness car seat for toddlers ages 2-4 from 22-50 pounds and 28-50 inches tall; high-back booster seat for kids ages 4-8 from 40-110 pounds and 44-57 inches tall

Adjustable Harness and Belt: Harness adjusts to growing child and booster seat features a shoulder seat belt guide to keep it in the proper position for your child

Easy to Clean: Easy to clean with wipeable and machine-washable car seat pad that removes for easy cleaning

Convenient and Safe: Includes 2 built-in cup holders to keep drinks and snacks within reach; Meets or exceeds all applicable federal safety standards and Evenflo's side impact standards

Side Impact Tested, Meets or Exceeds All Applicable Federal Safety Standards and Evenflo's Side Impact Test Standard

Designed and Tested for Structural Integrity at Energy Levels Approximately 2x the Federal Crash Test Standard. Rear Facing Fit Tip is Top of Child Head is at Least 1 Inch Below the Top of the Child Restraint Seat Back

Multiple Shoulder Harness Positions for Better Fit and Longer Use. Age at Least Two Years of Age

Upfront Harness Adjustment and Buckle Release Allows Easy and Convenient Adjusting

Integrated Body Cushion Gives Added Comfort to Baby and an Easily Removable Head Pillow for Older Children

GROW WITH IT: Offers 10 years of versatile use from infant to big kid, converting from rear-facing harness to forward-facing harness and from high-back booster to no-back booster

SECURE IT IN SECONDS: Innovative EasyClick LATCH system easily ratchets to achieve a rock-solid installation 3x tighter than the competition that can be correctly secured in seconds (based on consumer research with competitive LATCH systems)

STAY ALERT: Even when you can’t see your child, SensorSafe sends real-time messages to your phone, alerting you to potentially unsafe conditions in the car, including unexpected chest clip unbuckling, unsafe temperature in the car, child unattended in the car, and child seated too long

GO GREEN: GREENGUARD Gold Certified for meeting low chemical emissions standards to create a healthier environment for your child

KEEP IT LOOKING FRESH: Includes plush head and body pillows, plus Quick Clean Cover for easy removal and cleaning

Soft-to-touch cushions and premium fabrics and padding throughout, provide the most comfort during the journey.

Fast and easy to buckle with spring assist Out-of-the-Way harness system with ClipQuik auto-magnetic chest clip.

Flip Away Buckle won't get in the way while getting in and out of the seat.

QuickFit shoulder harness automatically raises the harness and headrest height.

Removable infant pillows provide extra support and comfort.

One-click LATCH connectors for easier installation.

Both dishwasher safe and easy to remove.

Easier and faster to install correctly in the car.

Seat pad and harness covers are both machine washable and dryer safe.