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

All in One seat grows with Your child from 5 100 pound, rear to forward facing and becomes a belt positioning booster; save space in Your back seat with Unique rotating cup Holders; metal and plastic parts may be cleaned with mild soap and Cool Water; Buckle may be cleaned with a damp cloth
Simply Safe Adjust Harness System adjusts the height of Your harness and headrest; integrated harness storage compartment Holds unused harness straps while seat is a belt positioning booster
Engineered & crash tested to meet or exceed US Standard FMVSS 213; the Slim Fit car seat has been side impact tested for occupant retention solely with the built in 5 Point harness system; features EPS foam
In Right Latch system for an Easy, one second Latch attachment; 4 position recline helps keep Your growing child comfy, in rear and forward facing modes
Plush Supports keep Your child comfortable and are removable; washable seat cover is Easy to access without removing the harness; Car seat depth is 16.25 inch; Car seat height is 25.5 inch; Car seat width inside is 19.75 inch

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-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

SaleBestseller No. 5

4 in 1 car seat gives you 10 years of use: seamlessly transforms from rear facing harness car seat (4 40 pounds), to forward facing harness car seat (22 65 pounds), to high back belt positioning booster (40 100 pounds), to backless belt positioning booster (40 120 pounds)
Graco protect Plus engineered helps to protect Your little one in frontal, side, rear and rollover crashes
Simply safe adjust harness system adjusts the height of your harness and headrest to 10 positions in one motion to ensure that Your child is always properly secured
6 position recline helps keep your growing child comfy on Your many journeys together
The Graco exclusive In right Latch attachment provides an easy, one second attachment with an audible click to help ensure secure installation

Bestseller No. 6

10 YEARS OF USE: The Evenflo EveryFit 4-in-1 Convertible Car Seat offers protection for up to 10 years. The EveryFit is an infant, convertible, high-back booster, and no-back booster seat to provide safety and longevity for your growing child.
The four modes include (1) Rear facing with harness: Weight: 4 - 40 poundswith three recline positions
FORWARD FACING WITH HARNESS: Weight: 22 - 65 pounds Age: For child at least 2 years old;
HIGH-BACK BOOSTER: Weight: 40 - 120 pounds Age: For child at least 4 years old
NO-BACK BOOSTER: Weight 40 - 120 pounds Age: For child at least 4 years old.

SaleBestseller No. 7

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. 8

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

SaleBestseller No. 9

The guide 65 is a perfect fit for smaller cars and helps protect your child longer in both rear and forward facing positions
Rear facing 5 to 40 pounds and 19 inches. Multi position head rest for growing children
Forward facing 22 to 65 pounds and 34 inches to 52 inches
Compact design for small cars. Anti-rebound bolsters. Seat pad is hand washable
5 harness heights and 3 buckle locations for proper fit

SaleBestseller 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
Quick Fit Harness for easy adjustment of both harness and headrest in one simple step