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The 8 Best 3 1 convertible car seats of 2024

Are you trying to find 3 1 convertible car seats among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling 3 1 convertible car seats on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 13 hours of research and did 64 3 1 convertible car seats tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best 3 1 convertible car seats you can buy today

SaleNo. 1
Graco Slimfit 3 in 1 Car Seat -Slim & Comfy Design Saves Space in Your Back Seat, Darcie
  • The Graco SlimFit 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
No. 2
Safety 1st Grow and Go All-in-One Convertible Car Seat, Rear-facing 5-40 pounds, Forward-facing 22-65 pounds, and Belt-positioning booster 40-100 pounds, Harvest Moon
  • BUILT TO GROW: The Safety 1st Grow and Go Convertible Car Seat is for extended use through 3 stages: Rear-facing 5-40 pounds, Forward-facing 22-65 pounds, and Belt-positioning booster seat 40-100 pounds.
  • SIDE IMPACT PROTECTION: The Grow and Go's side impact protection helps keep your child safe through all of the 3-in-1 convertible car seat’s stages.
  • EASY IN, EASY OUT: Harness holders keep the harness in an open position so it's easy to get your child in and out of the car seat.
  • QUICKFIT HARNESS: With the QuickFit Harness you can easily adjust both the harness and headrest with one hand.
No. 3
Baby Trend Trooper 3-in-1 Convertible Car Seat, Dash Black
  • 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 vehicle
  • Lightweight: Lightweight shell also allows for use of LATCH installation up to 55 lbs
  • Now includes two integrated cupholders for convenience for your little one.
No. 4
GRACO TriRide 3 in 1, 3 Modes of Use from Rear Facing to Highback Booster Car Seat, Redmond
  • 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 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 growing child
  • 6-position recline keeps your child comfy and helps for a better installation
No. 5
Graco Tranzitions 3 in 1 Harness Booster Seat, Proof
  • 3-in-1 harness booster helps protect your child, from toddler to youth.Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear & rollover crashes
  • Grows with your child from forward-facing harness (22-65 pounds) to highback booster (40-100 pounds) to backless booster (40-100 pounds) to continue to meet industry standards, we have increased the weight minimum from 30 to 40 pounds
  • No-rethread simply safe adjust harness system allows the headrest and harness to adjust together in one motion.Do not use bleach
  • Lightweight, portable seat is ideal for busy, active parents
  • One-hand, 8-position adjustable headrest grows with your child
  • 2 easy-to-clean cup holders keep your child's drinks and snacks close at hand
  • Open-loop belt guides help properly position your vehicle’s seat belt
  • Seat pad, body support, and harness covers are comfortable and machine washable
  • 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
  • Meets or exceeds the child restraint criteria for a frontal crash test under the US FMVSS 213
No. 6
Graco Extend2Fit 3-in-1 Convertible Car Seat, Rear Facing, Forward Facing, and Booster Seat, Hamilton
  • 3 car seats in 1 – Rear-facing for infants 4-50 pounds | Front-facing for toddlers 22-65 pounds and for big kids 30-100 pounds
  • Made of Steel reinforced | Product dimensions – 20.75” D x 19” W x 24.5” H | Product weight – 19.25 lbs.
  • 4-position extension panel adjusts to provide 5 inches of additional legroom, allowing your child to ride safely rear facing longer | 6-position recline helps keep your child comfy | 10-position headrest adjusts easily for your growing child.Do not use bleach
  • Simply Safe Adjust Harness System adjusts the height of your harness and headrest in one motion to ensure that your child is always properly secured
  • Graco ProtectPlus Engineered – A combination of the most rigorous crash tests that helps protect your child in frontal, side, rear & rollover crashes | Additional testing based on the New Car Assessment Program and for extreme car interior temperatures
SaleNo. 7
Baby Trend Cover Me 4 in 1 Convertible Car Seat, Scooter
  • 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 Cover Me 4-in-1 Convertible car seat is 18.25", which allows it to fit three children across in most vehicles.
No. 8
Safety 1st Jive 2-in-1 Convertible Car Seat, Rear-facing 5-40 pounds and Forward-facing 22-65 pounds, Harvest Moon
  • Safety 1st Jive 2-in-1 Car Seat
  • Rear-facing 5-40 pounds and 19-40 in
  • Forward Facing 22-65lbs and 29-49 in
  • Fits 3 across in the back seat of most vehicles
No. 9
Graco® Turn2Me™ 3-in-1 Car Seat, Manchester
  • Rotate from rear-facing mode with one hand to easily get baby in and out of the seat; listen for it to "click" back into position for a safe and comfy ride
  • 3 modes of use: Rear-facing harness 4-40 lb, forward-facing harness 22-65 lb, highback booster 40-100 lb
  • SnugLock technology installs in less than one minute using vehicle seat belt or LATCH
  • 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
  • Graco’s push-button InRight LATCH provides an easy, one-second attachment with an audible click to help ensure secure installation
  • Store InRight LATCH in the storage compartment when not in use
  • Removable, plush head and body inserts help to keep your infant feeling cradled and comfortable
  • Harness storage compartment keeps the harness safely stored while in belt-positioning booster mode
No. 10
Evenflo Tribute LX 2-in-1 Lightweight Convertible Car Seat, Travel Friendly (Saturn Gray)
  • MEET THE HIGHLY REVIEWED CAR SEAT WITH UNBEATABLE VALUE: This fan- favorite offers a budget-friendly choice without sacrificing safety, comfort or ease
  • TRAVEL SLEEK AND LIGHT: Compact design offers an ideal fit for smaller vehicles, while lightweight design makes this a popular car seat for family travel
  • GROW WITH IT: With use from 5 to 40 lb (19 to 40 in. tall), offers rear-facing and forward- facing modes, 5-point harness, plus 4-position shoulder harness
  • SECURE YOUR CHILD WITH EASE: Upfront harness adjust makes it easy to get an accurate, snug fit for your child as they grow
  • KEEP DRINKS AND SNACKS WITHIN REACH: Removable cup holder is dishwasher-safe for easy cleaning
  • KEEP IT LOOKING FRESH: Durable, stain-resistant polyester fabrics remove easily for machine-washing and tumble-drying
No. 11
Evenflo EveryFit/All4One 3-in-1 Convertible Car Seat (Atlas Green)
  • 10 YEARS OF USE: Offers protection for up to 10 years! The only car seat you’ll need, the EveryFit/All4One 3-in-1 is an infant, convertible and high-back booster to provide safety and longevity for your growing child.
  • 3 MODES: REAR FACING WITH HARNESS - Weight: 4 - 40 lb with three recline positions. FORWARD FACING WITH HARNESS - Weight: 22 - 65 lb: Age: For child at least 2 years old. HIGH-BACK BOOSTER: Weight: 40 - 120 lb; Age: For child at least 4 years old.
  • SAFETY IS A PRIORITY: Meets or exceeds all applicable Federal Safety Standards. It is structural integrity tested at energy levels approximately 2x the federal frontal crash test standard, and it is side-impact tested, rollover tested and temperature tested.
  • COMFORT: Innovative air flow mesh fabrics are designed to keep your child cool.
  • PROPER FIT: The one-hand, 12-position headrest and easy to slide no-rethread harness straps can adjust as your child grows without uninstalling the car seat.
  • CONVENIENCE: Machine-washable fabrics are easy to remove for cleaning. Dual integrated cup holders with removable snack tray to put drinks and snacks within arm’s reach.
No. 12
Evenflo EveryFit/All4One 3-in-1 Convertible Car Seat (Olympus Black)
  • 10 YEARS OF USE: Offers protection for up to 10 years! The only car seat you’ll need, the EveryFit/All4One with Quick Clean Cover is an infant, convertible and high-back booster to provide safety and longevity for your growing child.
  • 3 MODES: REAR FACING WITH HARNESS - Weight: 4 - 40 lb with three recline positions. FORWARD FACING WITH HARNESS - Weight: 22 - 65 lb: Age: For child at least 2 years old. HIGH-BACK BOOSTER: Weight: 40 - 120 lb; Age: For child at least 4 years old.
  • SAFETY IS A PRIORITY: Meets or exceeds all applicable Federal Safety Standards. It is structural integrity tested at energy levels approximately 2x the federal frontal crash test standard, and it is side-impact tested, rollover tested and temperature tested.
  • CONNECT WITH REAL LIFE: Offers the convenience of a Quick Clean Cover — easy to remove, easy to wash, easy to live with.
  • PROPER FIT: The one-hand, 12-position headrest and easy to slide no-rethread harness straps can adjust as your child grows without uninstalling the car seat.
SaleNo. 13
Maxi-Cosi Pria All-in-One Convertible Car Seat, rear-facing, from 4-40 pounds; forward-facing to 65 pounds; and up to 100 pounds in booster mode, Blackened Pearl
  • DESIGNED FOR KEEPING UP WITH YOUR GROWING FAMILY The Pria All-in-One Convertible Car Seat is all about quick and easy, comfy and secure. Pria will simplify your life and ease your mind as you and your child journey together in the years ahead.
  • TRANSITION THROUGH THE STAGES Pria is thoughtfully designed to support your child as they grow: rear-facing (4–40 lbs. and 19"–40"), forward-facing (22–65 lbs. and 29"–49"), and belt-positioning booster (40–100 lbs. and 43"–52").
  • PURE + COZY = HAPPY KIDDO + YOU Our ultra-soft, yet durable, PureCosi fabrics and padding are made without wool or added fire retardant treatment, which is better for your child and our planet. Machine wash and dry. *Available in select color options.
  • FUSS-FREE IN-AND-OUT Pria’s easy in-and-out harness holders keep straps from getting in the way when you put your little one in the car seat and take them out. Eliminating the struggle means more time for fun.
SaleNo. 14
Safety 1st Guide 65 Convertible Car Seat, Chambers, Black, CC078CMI
  • 2 modes of use: Rear-facing 5-40 pounds and Forward-facing 22-65 pounds
  • Fits 3 across in the back seat of most vehicles
  • Side Impact Protection
  • 5-point harness with up-front adjustment
SaleNo. 15
Graco SlimFit3 LX 3-in-1 Car Seat, Fits 3 Car Seats Across, Kunningham
  • Fits 3 car seats across, saving space in your back seat without compromising on the safety you trust and the features you need
  • 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)
  • Measures 16.7 inches wide, with a spacious seat for your child's comfort and a slim design for more room in the back seat
  • Measures 16.7 inches wide, with a spacious seat for your child's comfort and a slim design for more room in the back seat
  • Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your child in frontal, side, rear & rollover crashes
  • 10-position No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together
No. 16
Safety 1st TriMate All-in-One Convertible Car Seat, All-in-one Convertible with Rear-Facing, Forward-Facing, and Belt-Positioning Booster, Dunes Edge
  • 3 MODES TRANSITION FROM BABY TO BIG KID Three modes of use accommodate children from birth to age 10: rear-facing (5–40 lbs. and 19"–40"), forward-facing (22–65 lbs. and 22"–49"), and belt-positioning booster (40–100 lbs. and 43"–52").
  • FITS 3 ACROSS THE BACK SEAT The TriMate All-in-One Convertible Car Seat’s ultra-slim design— just 17” across without the cup holders —allows parents to fit three across the back seat without sacrificing comfort.
  • CLEAR, SIMPLE INSTALLATION AND ADJUSTMENT TriMate All-in-One features a 9-position headrest that adjusts quickly with just one hand, a hassle-free harness system that adjusts without complicated re-threading, and visible belt paths for easy installation.
  • KEEPS LITTLE ONES COZY Soft, memory-foam infant insert keeps small babies comfortable and secure.
No. 17
Safety 1st Crosstown All-in-One Convertible Car Seat, Rear-Facing 5-40 pounds, Forward-Facing 22-65 pounds, and Belt-Positioning Booster 40-100 pounds, Tickled Pink
  • BUILT TO GROW: The Safety 1st Crosstown All-in-One Convertible Car Seat is for extended use through 3 stages: Rear-facing 5-40 pounds, Forward-facing 22-65 pounds, and Belt-positioning booster seat 40-100 pounds.
  • SIDE IMPACT PROTECTION: The Crosstown's side impact protection helps keep your child safe through all of the All-in-One convertible car seat’s stages.
  • SPRING ASSIST EZ OUT: Spring assist EZ out harness system keeps floppy straps propped up, making it easy to get child in and out of the seat
  • QUICKFIT HARNESS: With the QuickFit Harness you can easily adjust both the harness and headrest in one simple step.
SaleNo. 18
Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black
  • 10 Years One Car Seat - from Birth to Booster (5 - 120 lb) it's all you will need. Grows with your child, ultimate protection on every road trip. 4 modes in 1 seat!
  • Rear Facing for Longer - lovingly engineered to keep your child rear-facing up to 50 lb.
  • Fits 3-Across - our famous slim-fit design with zero compromises to safety, space, or comfort.
  • Mechanically engineered from reinforced automotive grade high-strength steel, our unique core shell shields and protects your child.
  • High-quality ComfortPlus Memory Foam, always included.
No. 19
Cosco Kids™ MightyFit™ LX Convertible Car Seat, Canyon
  • An extra-comfortable ride that lasts for years: Rear-facing 5-40 pounds and Forward-facing 22-65 pounds
  • Fits 3 across in the back seat of most vehicles
  • Side Impact Protection
  • 5-point harness with easy up-front adjustment
No. 20
Disney Baby Grow and Go All-in-One Convertible Car Seat, Rear-facing 5-40 pounds, Forward-facing 22-65 pounds, and Belt-positioning booster 40-100 pounds, Simply Minnie
  • The car seat built to GROW for extended use through 3 stages: Rear-facing 5-40 pounds, Forward-facing 22-65 pounds, and Belt-positioning booster 40-100 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 pillows for a comfortable ride

How to choose a good 3 1 convertible car seats

Does the idea of finding a fantastic 3 1 convertible car seats make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in 3 1 convertible car seats. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top 3 1 convertible car seats products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top 3 1 convertible car seats on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top 3 1 convertible car seats brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top 3 1 convertible car seats based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the 3 1 convertible car seats were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good 3 1 convertible car seats, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your 3 1 convertible car seats.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting 3 1 convertible car seats for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our 3 1 convertible car seats. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what 3 1 convertible car seats should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on 3 1 convertible car seats.