Car seats

Every car seat and booster the major brands list for sale in the US, with each manufacturer’s own weight, height and age limits. Filter by your child’s size, then read a full review where one exists. Specifications were checked on September 17, 2026.

Reviewed in depth

These models were read against the manufacturer’s manual page by page, with installation, care and recall checks.

Infant car seat

Chicco KeyFit 35

A carrier you can lift out of its base.

Rear-facing limit: 35 lb
Height limit: 32 in

Rotating convertible

Chicco Fit360 ClearTex

Rotation brings the harness toward the car door.

Rear-facing limit: 40 lb
Height limit: 43 in

Booster car seat

Chicco KidFit ClearTex Plus

One booster with high-back and backless configurations.

High-back limit: 100 lb
Height limit: 57 in

Every model on the market

Fit my childWeight (lb)Height (in)Age (years)

Shows models with at least one mode whose published limits include all of these numbers. A mode with no published minimum age is not excluded by age. Always check every limit in the manual.

228 of 228 models

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Infant

Baby Jogger city GO 2 Infant Car Seat

Manufacturer limits for Baby Jogger city GO 2 Infant Car Seat
Mode	Weight	Height
Rear-facing infant	4–35 lb	Up to 32 in

Seat weight: Not published
Width: 17.25 in
Usable life: 7 years
Aircraft: Certified

Anti-rebound
5 colors

Full details Manual

Rotating convertible

Baby Jogger city turn Rotating Convertible Car Seat

Manufacturer limits for Baby Jogger city turn Rotating Convertible Car Seat
Mode	Weight	Height
Rear-facing harness	4–50 lb	Not published
Forward-facing harness	26.5–65 lb	Up to 49 in

Seat weight: Not published
Width: 19 in
Usable life: 10 years
Aircraft: Certified

4 colors

Full details Manual

Infant

Britax Arbor Infant Car Seat with StayTight Base

Manufacturer limits for Britax Arbor Infant Car Seat with StayTight Base
Mode	Weight	Height
Rear-facing infant	4–30 lb	17–32 in

Seat weight: 9.9 lb
Width: Not published
Usable life: 6 years
Aircraft: Certified

Anti-rebound
2 colors

Full details Manual

Infant

Britax Cypress Infant Car Seat with Alpine Base

Manufacturer limits for Britax Cypress Infant Car Seat with Alpine Base
Mode	Weight	Height
Rear-facing infant	4–30 lb	17–32 in

Seat weight: 9.7 lb
Width: 16.9 in
Usable life: 6 years
Aircraft: Certified

Anti-rebound
2 colors

Full details Manual

Rotating convertible

Britax Galaxy360 Slim Rotating Convertible Car Seat

Manufacturer limits for Britax Galaxy360 Slim Rotating Convertible Car Seat
Mode	Weight	Height
Rear-facing harness	5–50 lb	18–49 in
Forward-facing harness	30–65 lb	35–49 in

Seat weight: Not published
Width: 17 in
Usable life: 10 years
Aircraft: Not certified

Anti-rebound
3 colors

Full details Manual

Harness-to-booster

Britax Grow With You ClickTight Harness-2-Booster Car Seat

Manufacturer limits for Britax Grow With You ClickTight Harness-2-Booster Car Seat
Mode	Weight	Height
Forward-facing harnessfrom 2 years	30–65 lb	35–49 in
Belt-positioning booster	40–120 lb	44–63 in

Seat weight: 25 lb
Width: Not published
Usable life: 9 years
Aircraft: Certified

5 colors

Full details Manual

Harness-to-booster

Britax Grow With You Harness-2-Booster Car Seat

Manufacturer limits for Britax Grow With You Harness-2-Booster Car Seat
Mode	Weight	Height
Forward-facing harnessfrom 2 years	30–65 lb	35–49 in
Belt-positioning booster	40–120 lb	44–63 in

Seat weight: 23 lb
Width: Not published
Usable life: 9 years
Aircraft: Certified

Full details Manual

2-in-1 booster

Britax Highpoint 2-Stage Belt-Positioning Booster

Manufacturer limits for Britax Highpoint 2-Stage Belt-Positioning Booster
Mode	Weight	Height
High-back booster	40–120 lb	44–63 in
Backless booster	48–120 lb	46–63 in

Seat weight: 12 lb
Width: Not published
Usable life: 10 years
Aircraft: Not certified

4 colors

Full details Manual

All-in-one

Britax One4Life ClickTight All-in-One Car Seat

Manufacturer limits for Britax One4Life ClickTight All-in-One Car Seat
Mode	Weight	Height
Rear-facing harness	5–50 lb	18–49 in
Forward-facing harness	30–65 lb	35–49 in
Belt-positioning booster	40–120 lb	44–63 in

Seat weight: 30 lb
Width: 19.5 in
Usable life: 10 years
Aircraft: Certified

5 colors

Full details Manual

All-in-one

Britax One4Life Slim All-in-One Car Seat

Manufacturer limits for Britax One4Life Slim All-in-One Car Seat
Mode	Weight	Height
Rear-facing harness	5–50 lb	18–49 in
Forward-facing harness	30–65 lb	35–49 in
Belt-positioning booster	40–120 lb	44–63 in

Seat weight: 28 lb
Width: Not published
Usable life: 10 years
Aircraft: Certified

4 colors

Full details Manual

Convertible

Britax Poplar Convertible Car Seat

Manufacturer limits for Britax Poplar Convertible Car Seat
Mode	Weight	Height
Rear-facing harness	5–50 lb	18–49 in
Forward-facing harness	30–65 lb	35–49 in

Seat weight: 27.2 lb
Width: 17 in
Usable life: 10 years
Aircraft: Certified

2 colors

Full details Manual

Convertible

Britax Poplar S Convertible Car Seat

Manufacturer limits for Britax Poplar S Convertible Car Seat
Mode	Weight	Height
Rear-facing harness	5–50 lb	18–49 in
Forward-facing harness	30–65 lb	35–49 in

Seat weight: 28 lb
Width: 17 in
Usable life: 10 years
Aircraft: Certified

Anti-rebound
7 colors

Full details Manual

2-in-1 booster

Britax Skyline 2-Stage Belt-Positioning Booster

Manufacturer limits for Britax Skyline 2-Stage Belt-Positioning Booster
Mode	Weight	Height
High-back booster	40–120 lb	44–63 in
Backless booster	48–120 lb	46–63 in

Seat weight: 11 lb
Width: Not published
Usable life: 10 years
Aircraft: Not certified

Full details Manual

Backless booster

Britax UpNGo Backless Booster Seat

Manufacturer limits for Britax UpNGo Backless Booster Seat
Mode	Weight	Height
Backless booster	40–120 lb	46–63 in

Seat weight: 3.1 lb
Width: 17.1 in
Usable life: 10 years
Aircraft: Not certified

Full details Manual

Backless booster

Britax UpNGo Click Backless Booster Seat

Manufacturer limits for Britax UpNGo Click Backless Booster Seat
Mode	Weight	Height
Backless booster	40–120 lb	46–63 in

Seat weight: 4.5 lb
Width: 17.1 in
Usable life: 10 years
Aircraft: Not certified

2 colors

Full details Manual

Infant

Britax Willow Infant Car Seat with Aspen Base

Manufacturer limits for Britax Willow Infant Car Seat with Aspen Base
Mode	Weight	Height
Rear-facing infant	4–30 lb	17–32 in

Seat weight: 8.99 lb
Width: Not published
Usable life: 6 years
Aircraft: Certified

Anti-rebound
3 colors

Full details Manual

Infant

Britax Willow S Infant Car Seat with Alpine Base

Manufacturer limits for Britax Willow S Infant Car Seat with Alpine Base
Mode	Weight	Height
Rear-facing infant	4–30 lb	17–32 in

Seat weight: Not published
Width: 16.9 in
Usable life: 6 years
Aircraft: Certified

Anti-rebound
5 colors

Full details Manual

Infant

Britax Willow SC Infant Car Seat with Alpine Base

Manufacturer limits for Britax Willow SC Infant Car Seat with Alpine Base
Mode	Weight	Height
Rear-facing infant	4–30 lb	17–32 in

Seat weight: 9.3 lb
Width: 16.9 in
Usable life: 6 years
Aircraft: Certified

Anti-rebound
2 colors

Full details Manual

Rotating convertible

Chicco Fit360 ClearTex Rotating Convertible Car Seat

Manufacturer limits for Chicco Fit360 ClearTex Rotating Convertible Car Seat
Mode	Weight	Height
Rear-facing harness	4–40 lb	Up to 43 in
Forward-facing harnessfrom 12 months	26.5–65 lb	Up to 49 in

Seat weight: 33.8 lb
Width: 18.25 in
Usable life: 8 years
Aircraft: Certified

4 colors

Read review Manual

Rotating convertible

Chicco Fit360 SE ClearTex Rotating Convertible Car Seat

Manufacturer limits for Chicco Fit360 SE ClearTex Rotating Convertible Car Seat
Mode	Weight	Height
Rear-facing harness	12–40 lb	Up to 43 in
Forward-facing harnessfrom 12 months	26.5–65 lb	Up to 49 in

Seat weight: 33.8 lb
Width: 18.25 in
Usable life: 8 years
Aircraft: Certified

2 colors

Full details Manual

Rotating convertible

Chicco Fit360 Zip ClearTex Rotating Convertible Car Seat

Manufacturer limits for Chicco Fit360 Zip ClearTex Rotating Convertible Car Seat
Mode	Weight	Height
Rear-facing harness	4–40 lb	Up to 43 in
Forward-facing harnessfrom 12 months	26.5–65 lb	Up to 49 in

Seat weight: 31.25 lb
Width: 18.25 in
Usable life: 8 years
Aircraft: Certified

2 colors

Full details Manual

All-in-one

Chicco Fit3x ClearTex Ultra-Slim All-in-One Car Seat

Manufacturer limits for Chicco Fit3x ClearTex Ultra-Slim All-in-One Car Seat
Mode	Weight	Height
Rear-facing harness	5–40 lb	Up to 43 in
Forward-facing harnessfrom 12 months	26.5–65 lb	38–54 in
High-back boosterfrom 4 years	40–100 lb	44–57 in

Seat weight: 21 lb
Width: 16.7 in
Usable life: See label
Aircraft: Certified

3 colors

Full details Manual

Backless booster

Chicco GoFit Backless Booster Car Seat

Manufacturer limits for Chicco GoFit Backless Booster Car Seat
Mode	Weight	Height
Backless boosterfrom 4 years	40–110 lb	44–57 in

Seat weight: 5 lb
Width: 17 in
Usable life: See label
Aircraft: Not certified

4 colors

Full details Manual

Backless booster

Chicco GoFit Plus Backless Booster Car Seat

Manufacturer limits for Chicco GoFit Plus Backless Booster Car Seat
Mode	Weight	Height
Backless boosterfrom 4 years	40–110 lb	44–57 in

Seat weight: 6 lb
Width: 17 in
Usable life: See label
Aircraft: Not certified

8 colors

Full details Manual

Limits and specifications come from each manufacturer’s US website and instruction manual. They are not a fit or safety verdict, and I have not hands-on tested these seats. Follow your seat’s own labels and manual. Amazon links are affiliate links. See my sources and limits.