Our Top 10 Recommendations for 3-In-1 Convertible Car Seats

Up-to-date pricing and reviews for 3-in-1 convertible car seats on the market

SaleBestseller No. 1

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)
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 & 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

SaleBestseller No. 2

Built to grow: The 3 in 1 car seat built to grow for extended use through 3 stages: Rear facing 5 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

SaleBestseller No. 3

3-in-1 car seat helps to protect 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 to help protect your little one in frontal, side, rear, and rollover crashes
No-Rethread Harness: Simply Safe Adjust Harness System adjusts the headrest and harness in one motion, to ensure proper fit
4-position recline helps ensure a secure installation and helps keep your growing child comfy on your many journeys together
Graco’s exclusive push-button InRight LATCH provides an easy, one-second attachment with an audible click to help ensure secure installation

SaleBestseller No. 4

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 vehicles
Lightweight: lightweight shell also allows for use of latch Installation up to 55 lbs
Shoulder & crotch buckle adjustment: 5-position shoulder height adjustment and 3- position crotch buckle for seat adjustment

Bestseller No. 5

Built TO grow for extended use through 3 stages: rear-facing 5-50 lbs., forward-facing 22-65 lbs., and belt-positioning Booster 40-100 lbs. Actual fit may vary. Not all children will comfortably fit in the seat for the full weight and height ranges Listed.
Comfort cool technology keeps baby cool, dry and comfortable
Side Impact protection
Three cozy reversible pillows for a snug fit
Soft touch armrests with integrated storage pockets

Bestseller No. 6

3 in 1 seating system: Rear facing, from 4 40 pounds; forward facing to 65 pounds; and upto 100 pounds in booster mode
Side impact protection with cell protects your child's head where it's needed most in a side impact crash
Clique auto magnetic chest clip gets you on your way quickly
E out spring assisted harness covers for easy boarding
Flip away buckle won't get in the way while getting in and out of the seat

SaleBestseller No. 7

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.

Bestseller No. 8

3-In-1 convertible car seat: Rear-facing, from 4-40 pounds; Forward-facing to 65 pounds; And up to 100 pounds in booster mode
Side impact protection technology with GCell protects your child's head where it's needed most in a side impact crash
In and out harness holders keep straps out of the way when buckling
One click latch system, with easy click-in for better installation
Quick fit shoulder harness automatically raises the harness and headrest height

SaleBestseller No. 9

3-in-1 harness booster helps protect your child, from toddler to youth
Grows with your child from forward-facing harness (22-65 lb) to highback booster (40-100 lb*) to backless booster (40-100 lb) to continue to meet industry standards, we have increased the weight minimum from 30 to 40 lb
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

Bestseller No. 10

Extended Use 3-in-1 Car Seat: Rear-facing 5-40 pounds, Forward-facing harness 22-50 pounds, and Belt-positioning 40-80 pounds
Side Impact Protection
Harness holders: with the harness held back, it's easy to get your child in and out of the seat
Grow-with-baby pillow for a comfortable ride
QuickFit Harness for easy adjustment of both harness and headrest in one simple step