10 Best Convertible Car Seats of December 2025

• BUILT TO GROW — Use as a rear-facing (5-40 lbs.) or forward-facing (22-65 lbs.) car seat with 9-position ReclineSureTM leveling system, easy-adjust headrest and padded no-rethread 5-point harness to accommodate infant, toddler and beyond.
• EASY TO INSTALL — Designed for secure install with remarkably simple leveling and tightening. A SuperCinch force-multiplying tightener and LockSure belt-locking system make it easy to achieve a tight fit with LATCH or with the vehicle seat belt.
• ADDED FEATURES — Includes dishwasher-safe, space-saving CupFolder, soft, zip-off, machine-washable fabrics for comfort and convenience and removable newborn positioner for use from day one.
• HEAD AND TORSO PROTECTION — Superior DuoGuard with deep rigid shell for head and body support, EPS energy-absorbing foam and steel-reinforced frame offer reassuring protection.
• SMOOTH TRANSITIONS — Convertible car seat easily transitions from vehicle to vehicle or between modes due to premium LATCH connectors with click-on attachment and push-button release.

Chicco

• 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

Evenflo

• 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.Shell and Components: Spot clean
• 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

• 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.

Baby Trend

• Built to grow: The 3 in 1 car seat built to grow for extended use through 3 stages: Rear facing 5 to 40 pounds, forward facing 22 to 65 pounds, and belt positioning booster 40 to 100 pounds
• Side impact protection: The grow and go’s side impact protection helps keep your child safe
• Easy in, easy out: Harness holders keep the harness in an open position so it is easy to get your child in and out of the seat. Rear facing height is 19 to 40 inches. Forward facing height is 29 to 52 inches
• Quickfit harness: With the quickfit harness you can easily adjust both the harness and headrest in one simple step
• Wash and dry: Machine washable and dryer safe seat pad features snaps that make it simple to take off of the seat; No fuss for truly easy cleaning
• One click UAS

Safety 1st

• Convertible car seat grows with your child from rear-facing harness (5-40 lb) to forward-facing harness (22-65 lb)
• Slim car seat design saves space in your back seat
• Compact and lightweight to easily transfer from car to car
• Travel car seat is certified for aircraft use to help keep your child safe while flying
• Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your child in frontal, side, rear & rollover crashes

GRACO

• With 2 modes of use, this extra comfortable LATCH equipped Cosco car seat accommodates infants from 5 pounds up to toddlers weighing 40 pounds in rear facing mode and kids up to 65 pounds in forward facing mode. Its compact design also makes it easier to manage through airport security checks
• The 5 point harness adjusts easily from the front of the seat and features 5 heights and 3 buckle locations
• Built in side impact protection keeps your little 1 extra secure; Designed to be just the right size, the seat takes up less space while rear facing so parents can have more leg room
• Three of these seats can fit side by side in the back seat of most cars, perfect for growing families
• With plush padding and premium fabric, this seat gives your child an extra comfy ride; Easy to clean, the fabric car seat cover is machine washable and dryer safe
• This car seat meets or exceeds federal, ASTM, and JPMA safety standards and includes a 1 year limited warranty
• For more than 70 years, Cosco has been a leading children’s products brand recognized for its dedication to safety and value; From bouncers to car seats, swings to strollers, and high chairs to play yards, Cosco's essential baby products feature solid value and smart design

Cosco

• 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
• KEEPSAFE PROTECTION: Designed and tested to help provide safe and secure protection so you can focus on the road ahead
• SIDE-IMPACT PROTECTION: Side-impact tested for occupant retention with the built-in 5-point harness system

Century

• 3-in-1 car seat grows with your child from rear-facing harness (5-40 pounds) to forward-facing harness (22-65 pounds) to highback booster (40-100 pounds)
• Slim design with dual integrated cup holders that rotate away, making the seat 10% slimmer to save valuable back seat space
• Graco ProtectPlus Engineered: A combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear and rollover crashes
• No-rethread simply safe adjust harness system allows the headrest and harness to adjust together in one motion
• Choose the perfect headrest height from 10 positions to get the safest fit for your child as they grow
• 4-position recline keeps your child comfy and helps for a better installation
• Push-button InRight LATCH provides an easy, one-second attachment with an audible click to help ensure secure installation
• Harness storage compartment keeps the harness safely stored while in belt-positioning booster mode
• Steel-reinforced frame provides strength and durability for 10 years of use
• Easy-to-read level indicator helps eliminate installation guesswork

Graco

• 3-in-1 car seat grows with your child from rear-facing harness (5-40 lb) to forward-facing harness (22-65 lb) to highback booster (40-100 lb)
• Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that help to protect your child in frontal, side, rear & rollover crashes
• No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together in one motion
• Choose the perfect headrest height from 10 positions to get the safest fit for your growing child
• 6-position recline keeps your child comfy and helps for a better installation

GRACO