12 Best Convertible Car Seats for Infants (2024)

The Nuna Exec is the best newborn to toddler car seat because the Merino wool and GOTS organic cotton inserts are flame-retardant-free. This means your baby’s sensitive skin will be safe and protected.

The no-rethread, 5-point harness is easy for busy moms to adjust, especially when dealing with a tiny newborn.

The spring-touch shoulder belt guides give you peace of mind that you are securing the straps correctly as your child grows.

The adjustable, anti-rebound panel gives your baby extra legroom for extended rear-facing, and the Exec is an all-in-one car seat which is an improvement from the previous Rava model.

This infant convertible car seat is a great investment but is quite cumbersome to move.

What We Liked

Lightest Nuna convertible car seat
All-steel frame and reinforced belt path for superior protection
Dual flip-open cup holders
Easy to install for moms
GREENGUARD GOLD certified

What Can Be Improved

Strap covers when rear-facing come off and can get lost
The booster function is not long-lasting
Trickier to keep clean than other seats

Infant Insert: Yes, 5-11 lbs
Child Height: Up to 49 in (124 cm)
Child Weight: 5 -120 lbs (2.3-54.4 kg)
Dimensions: 22.5 L x 18.5 W x 26-33 H in
Expiration Date: 10 years from the manufacturing date
Lowest Harness Position: 7.5 in

2. Diono Radian 3QXT+ All in One Convertible Newborn Car Seat

The Diono Radian 3QXT+ is an ideal convertible infant car seat because the memory foam base, mesh panels, and premium fabrics keep your baby comfortable and cool.

An upgrade from the past version is the SAFE+ 2-in-1 anti-rebound panel that provides added protection and stability when rear-facing.

You can also have your baby rear-facing up to 50 lbs which makes this a great transitional car seat for newborns.

The seat has a large weight range making it a fantastic newborn to toddler car seat as your child grows.

Try and install this seat once because it is heavy to move.

What We Liked

2 XL cupholders
It is easy to assemble
The superLATCH connectors make installation easy
The machine washable cover makes cleaning easy
The narrow design makes this perfect for 3-across installation

What Can Be Improved

Adjusting the passenger seat can be awkward
The angle adjustor has a learning curve
The seat cover can be tricky to put back on

Infant Insert: Yes, 4-11 lbs
Child Height: Up to 57 in (145cm)
Child Weight: 4-120 lbs (1.8-54 kg)
Dimensions: 28.5 H x 17 W x 11.5 L in
Expiration Date: 10 years from the manufacturing date
Lowest Harness Position: 7.5 in

3. Nuna Revv Rotating Convertible Car Seat

The Nuna Revv is the best convertible newborn car seat for grandparents and new moms who want to venture out with their newborns.

The integrated rebound bar doubles as a handy carry handle, but this newborn convertible car seat is still quite heavy at 32 lbs.

What makes the Revv special for newborns is the swivel feature, an improvement from the prior Nuna convertible model options. It makes strapping in sleeping or squirming newborns a breeze.

As a new mom, you want to use your new car seat safely, and the Revv’s ten-position, bubble-free recline makes sure you get it right every time.

What We Liked

Ventilation panels in the shell to keep your baby cool
The magnetic buckle holder is convenient
Triple-layer side impact protection
The head support is also easily adjusted with one hand
Perfect for grandparents with different age grandkids

What Can Be Improved

The crotch buckle cover moves and doesn’t stay in the seat
Bulky to move around
Tends to rattle when driving without your baby in the seat

Infant Insert: Yes, 5-11 lbs
Child Height: Up to 43 in (109 cm)
Child Weight: 5-40 lbs (2.3-18 kg)
Dimensions: 21.5-22.5 L x 18.5 W x 22.5-29.5 H in
Expiration Date: 10 years from the manufacturing date
Lowest Harness Position: 6.5 in

4. Baby Jogger City Turn Rotating Convertible Car Seat

The City Turn convertible car seat for newborns is ideal for moms’ recovering from childbirth because the 180-degree swiveling seat makes it easier to get your baby into and out of the seat.

This infant to toddler car seat offers extended rear-facing up to 50 lbs, and because the seat swivels closer to you, your back won’t suffer as your child grows.

The fabrics feature COOLMAX moisture-wicking material that will stop your newborn from overheating.

The no-rethread harness is convenient for adjusting the straps as your baby grows, but the buckle cover comes off easily, which is annoying.

What We Liked

The fabric is fade and wrinkle-resistant
Integrated RAPIDLOCK belt-tensioning technology
Push button LATCH for quick and secure installation
10-position headrest and 5-position recline
Colored belt paths and dual bubble level indicators

What Can Be Improved

The buckle can be tricky
It is bulky and heavy
Only rotates when rear-facing

Infant Insert: Yes, 4-15 lbs
Child Height: Up to 49 in (124.5 cm)
Child Weight: 4-65 lbs (1.8-29.4 kg)
Dimensions: 23.5 H x 19 W x 21.75 L in
Expiration Date: 10 years from the manufacturing date
Lowest Harness Position: 6 in

5. Nuna Rava Convertible Newborn to Toddler Car Seat

The Nuna Rava is a popular infant car seat that converts to toddler forward-facing mode.

It offers 2 inches of extra legroom and extra forward-facing leg support, which is a change since the last version.

The knit fabric is a polyester/bamboo blend that is naturally flame-resistant, which means this convertible car seat for newborn babies is chemical-free.

With extended rear-facing up to 50 lbs, this is an infant or convertible car seat that grows with your child, keeping them safe at every stage.

The push-style latch connectors are quick and easy for busy moms to install, but this seat is heavy to move.

What We Liked

Greenguard Gold certification means that no nasty surprises are touching your baby’s skin
The EPP foam is naturally flame resistant and free of chemicals
Easy to recline
No-rethread harness seat for easy adjustment
Additional side impact protection on both sides of the Rava shell near the head

What Can Be Improved

Low weight limit
The buckle can be stiff
The fabric can get hot

Infant Insert: Yes, 4-11 lbs
Child Height: Up to 49 in (124.5 cm)
Child Weight: 5-65 lbs (2.3-29.5 kg)
Dimensions: 28 H x 19.9 W x 22 L in
Expiration Date: 10 years from the manufacturing date
Lowest Harness Position: 7 in

6. Diono Radian 3RXT Safe+ Convertible Infant to Toddler Car Seat

The Diono Radian 3RXT Safe+ has a large weight and height limit and offers extended rear-facing up to 50 lbs.

The narrow, low profile with shallow sides makes this one of the best transitional car seat for newborns because you can easily get your baby in and out of the seat and they can climb in independently as they grow.

It has an easy-adjust 12-position headrest and 6 layers of side impact protection compared to the previous version.

The seat belt can be difficult to tighten when rear-facing in this convertible car seat for infant babies.

The 3RXT Safe+ has a machine washable cover that is free of dangerous flame-retardant chemicals.

What We Liked

Fantastic safety features
Narrow but spacious
Good value for money
Luxurious fabric and design
The design considers modern, compact cars

What Can Be Improved

Passenger leg room in the front is limited
The open back is unattractive
The seat is heavy

Infant Insert: Yes, but no weight guidelines
Child Height: Up to 57 in (145 cm)
Child Weight: 4-120 lbs (1.8-54.4 kg)
Dimensions: 28 H x 17 W x 16 L in
Expiration Date: 10 years from the manufacturing date
Lowest Harness Position: 8 in

7. Peg Perego Kinetic Rotational Infant Car Seat

If you want to put your infant in a convertible car seat, then the luxurious Peg Perego Kinetic is a great option.

The tri-stage cushion offers extra support and comfort for your newborn and the anti-rebound bar spacer gives your baby an extra 2 inches of legroom when rear-facing.

The no-rethread harness and soft straps are safe and comfortable and easy to adjust on a small baby.

This seat has adjustable side impact protection, which is an upgrade from the earlier model.

Something to keep in mind is the chest clip button can be difficult to open, which can be frustrating with a sleeping newborn.

What We Liked

Looks and feels luxurious
Rear-facing up to 45 lbs
EasyTight LATCH for simple installation
6 positions of recline to suit your growing child
The fabric cleans well

What Can Be Improved

Recline mechanism gets stuck easily
The lever to release the harness strap is hidden
The cupholder placement is inconvenient

Infant Insert: Yes, 4-11 lbs
Child Height: Up to 49 in (124.5cm)
Child Weight: 5-65 lbs (2.3-29.5 kg)
Dimensions: 25.75 H x 18.75 W x 26.25 L in
Expiration Date: 10 years from the manufacturing date
Lowest Harness Position: 7.5 in

8. Britax Advocate Clicktight Convertible Newborn Car Seat

The Britax Advocate is one of the best infant convertible car seat options because it’s easy for moms to use. It has clear installation indicators, so you are always sure your baby is safe.

The fabrics are safe for your baby and contain no fire-retardant chemicals, which is what you want in car seats that go from infant to toddler.

Newborns need to be at the correct angle to keep their airways open, and the Advocate has easy-read level indicators to help you find the best seat angle.

Car seats that grow with babies, like the Advocate, are often heavy and bulky.

What We Liked

External bolsters for maximum side-impact protection
The tonal color palette and ribbed textures make this a stylish seat
7-position quick-push recline feature
Easy for moms to install safely and confidently
14-position quick-adjust harness and headrest

What Can Be Improved

Straps don’t fit right in the extended rear-facing position
Easy click system breaks down quickly
Some recalls were made on this model

Infant Insert: Yes, but no weight guidelines
Child Height: Up to 49 in (124.5 cm)
Child Weight: 5-65 lbs (2.3-29.4 kg)
Dimensions: 23.5 H x 20.5 W x 23 L in
Expiration Date: 10 years from the manufacturing date
Lowest Harness Position: 7.5 in

9. Clek Foonf Convertible Car Seat for Newborns

The Clek Foonf is for babies weighing 14 lbs – 65 lbs unless you buy the Infant Thingy, which is an insert that makes this a car seat from infant to toddler.

The Foonf is one of the best-rated convertible car seat for infants because it offers extended rear-facing up to 50 lbs. It also has deep side wings, which offer side impact protection and comfortable naps.

The anti-rebound bar offers added safety while the adjustable, structural headrest grows with your child.

The smooth recline feature keeps your baby safe and comfortable while they sleep.

What We Liked

Easy access to the belt path when rear-facing
The streamlined design is ideal for 3 across
Rigid LATCH installation is quick and easy
New fabrics that are free from halogenated flame retardants
The 5-point harness is the safest for your growing baby

What Can Be Improved

Doesn’t have a no-rethread harness
It is high on the base when rear-facing
The seat sits high on the base when rear-facing

Infant Insert: Yes, 5-22 lbs
Child Height: Up to 49 in (124.5cm)
Child Weight: 5-65 lbs (2.4-29.5)(With the Infant Thingy)
Dimensions: 28 H x 17 W x 16 L in
Expiration Date: 9 years from the manufacturing date
Lowest Harness Position: 10 in

10. Britax One4Life Clicktight All-in-One Newborn Convertible Car Seat

If you are looking for the best car seat for infant to toddler then try the Britax One4Life.

The SafeWash fabric is naturally flame-resistant and ideal for sensitive newborn skin, and the cover is removable and machine washable for longevity.

The quick-adjust, 15-position harness and the headrest are easy and convenient for new moms, and the superior comfort and padding mean your newborn will be comfortable and safe.

The seat is easy to clean, and you can get into the nooks and crannies, which is perfect as your baby grows.

This seat is heavy so try to install it once and not move it from car to car.

What We Liked

Convenient built-in storage for the harness in booster mode
Color-coded belt paths for a safe install every time
The V-shaped tether is a unique safety feature
Extended rear-facing up to 50 lbs
This birth-to-booster option is a good investment

What Can Be Improved

The headrest could be more secure
The seat is heavy to move
No backless booster option

Infant Insert: Yes, 5-20 lbs
Child Height: Up to 49 in (124.5 cm)
Child Weight: 5-120 lbs (2.3-54.4 kg)
Dimensions: 20.5 H x 19.5 W x 25 L in
Expiration Date: 10 years from the manufacturing date
Lowest Harness Position: 7 in

11. Cybex Sirona M Convertible Car Seat for Newborns

The Cybex Sirona M is one of the best convertible car seat options because the SensorSafe technology puts your mind at ease, particularly if you are a new mom.

The last thing you want to be doing is fighting with straps, so the integrated headrest and harness system makes adjusting the fit quick and easy.

The magnetic buckle holders make putting your baby into the Sirona M simple, particularly if they are sleeping.

To keep them safe and comfortable, you can use the one-hand recline and choose from 10 recline angles. The recline indicator can be difficult to find.

What We Liked

Linear side impact protection for 25% force reduction
12-position headrest grows with your baby
Rubber tips on cup holder for better grip
Allows forward-facing recline options
Plush infant insert

What Can Be Improved

Recline positions for rear-facing and forward-facing are not labeled on the seat
Difficult to install with the seat belt
The seat may be too long for short/shallow car seats

Infant Insert: Yes, 5-11 lbs
Child Height: Up to 57 in (145 cm)
Child Weight: 4-65 lbs (1.8-29.5)
Dimensions: 25 H x 20 W x 21.5 L in
Expiration Date: 8 years from the manufacturing date
Lowest Harness Position: 7.5 in

12. Maxi Cosi Pria Max All-in-One Convertible Car Seat

With infant body support for car seat use, the Pria Max is the best infant to toddler car seat for families wanting an investment seat.

The ClipQuick one-hand magnetic chest clip is ideal for busy moms, and the Out-of-the-Way spring-assist harness makes getting your newborn into the seat a breeze.

The PureCosi fabrics are flame-retardant-free, so you know your baby’s skin is safe from harmful chemicals.

The soft-to-touch cushions and plush padding cradle your newborn and are gentle on their sensitive bodies.

This seat is very big and bulky in your car so check the size of your back seat before purchasing.