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The 8 Best 3 in 1 car seat of 2025

Are you trying to find 3 in 1 car seat 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 in 1 car seat 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 30 hours of research and did 24 3 in 1 car seat 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 in 1 car seat you can buy today

No. 1
Graco TriRide 3-in-1 Reclining Car Seat, Clybourne - Rear & Forward Facing Car Seat, Highback Booster, Adjustable Headrest
  • Multipurpose 3-in-1 Design: Transforms from rear-facing harness (5-40 lb), to forward-facing harness (22-65 lb), and to highback booster (40-100 lb)
  • Graco ProtectPlus Engineered: Undergoes rigorous crash tests to ensure your child’s safety in frontal, side, rear and rollover crashes
  • No-Rethread Harness System: Allows the headrest and harness to adjust together for added safety
  • Adjustable Features: Provides 10 position headrest and 6 recline positions for optimum comfort
  • Integrated Harness Storage: Keeps the harness safely stored while in belt-positioning booster mode
  • Easy-Cleanup: Features machine-washable seat pad and built-in cup holders for convenience
  • Durable Construction: Steel-reinforced frame for long-term use and reliability
  • 2 easy-to-clean cup holders keep your child's drinks and snacks close at hand
No. 2
Safety 1st Crosstown DLX All-in-One Convertible Car Seat, Cabaret
  • ONE HAND ADJUST: With our new single hand adjustable headrest, keeping up with your child's growth has never been easier.
  • BUILT TO GROW WITH YOUR FAMILY The Crosstown DLX All-in-One Convertible Car Seat is for extended use through 3 stages: rear-facing (5–40 lbs., 19"–40"), forward-facing (30–65 lbs., 34.4"–49"), and belt-positioning booster seat (40–100 lbs., 43.4"–52").
  • SIDE IMPACT PROTECTION: The Crosstown DLX side impact protection helps keep your child safe. Plus, the 3-position recline makes it easy to get a good fit in your car.
  • 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 seat. Clearly visible booster belt path allows for easier buckling.
  • FUSS-FREE CLEANING: Machine washable and dryer safe seat pad features snaps that make it simple to take off of the seat for easy cleaning. Armrests for added comfort, include 2 removable, dishwasher-safe cup holders.
No. 3
Graco SlimFit 3-in-1 Convertible Car Seat, Ultra-Space-Saving Design, Darcie, Suitable for Rear and Forward-Facing, Highback Booster Seat with 10-Position Headrest
  • Convertible Design: Transforms from rear-facing harness (5-40 pounds), to forward-facing harness (22-65 pounds), to highback booster (40-100 pounds)
  • Slim Fit: Rotating cup holders and 10% slimmer design saves valuable backseat space
  • Safety Assured: Graco ProtectPlus Engineered for rigorous crash tests; frontal, side, rear, and rollover crashes
  • Effortless Adjustability: No-rethread Simply Safe Adjust harness system and 10-position headrest adapts to your growing child
  • Comfortable: 4-position recline ensures comfortable journeys and better installation
  • Easy Installation: InRight LATCH system for a 1-second attachment with an audible click
  • Eco-friendly: Meets or exceeds all safety standards set by the US government and is rigorously crash tested to meet or exceed US industry standards.
  • 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
SaleNo. 4
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. 5
Safety 1st Grow and Go All-in-One Convertible Car Seat, Rear Facing Car Seat 5-40 lbs, Forward Facing Car 30–65 lbs, High Back Booster Seat 40-100 lbs, Harvest Moon
  • GROW WITH ME CAR SEAT: This car seat for newborn to toddler to big kid accommodates your child from rear-facing newborn (5–40 lbs., 19"–40"), toddler forward-facing (30–65 lbs., 34.4"–49"), highback belt-positioning booster seat (40–100 lbs., 43.4"–52").
  • GETTING A GOOD FIT IS QUICK AND EASY: The convertible carseat designed with the QuickFit harness simplifies harness and headrest adjustments, making it easy to get your child in and out of the car seat.
  • SIMPLE TO CLEAN: The washer-and-dryer-safe seat pad features snaps that make it easy to remove from the convertible carseats, along with 2 dishwasher-safe cupholders for fuss-free cleaning.
  • "BUILT TO GROW: The convertible car seat for children from 5–100 lbs. can be used in rear-facing, forward-facing, and belt-positioning booster modes. 2 removable grow-with-me baby pillows for a snug fit; the convertible car seat also has 3-position recline. "
  • PARENT-FRIENDLY FEATURES: Getting kids in and out of the car is made easier with harness holders that keep harness straps out of the way whether your using it as a baby carseat, forward facing car seat or highback belt-positioning car seat booster.
SaleNo. 6
Graco Tranzitions 3 in 1 Harness Booster Seat
  • 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
  • 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 & rollover crashes
  • Meets or exceeds the child restraint criteria for a frontal crash test under the US FMVSS 213
SaleNo. 7
Graco Milestone 3 in 1 Car Seat, Infant to Toddler Car Seat - Kline
  • Manufacture Date 2021-2022
  • 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 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
  • 4-position recline keeps your child comfy and helps for a better installation
No. 8
Graco Extend2Fit 3-in-1 Car Seat, Stocklyn Booster Car Seat Convertible
  • 3-in-1 car seat grows with your child from rear-facing harness (4-50 lb) to forward-facing harness (22-65 lb) to highback booster (40-100 lb)**
  • Extend2Fit 4-position adjustable extension panel provides up to 5" additional legroom, allowing your child to safely ride rear-facing longer
  • Up to 50 lb rear-facing, allowing your child to safely ride rear-facing longer
  • 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
  • 6-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
SaleNo. 9
Safety 1st Guide Convertible Car Seat, Fits 3 Across, Forward Facing and Rear Facing, Chambers
  • FITS 3 ACROSS: The slim car seat design is great for small cars, allowing you to fit three of these baby car seats to big kid forward-facing seat across in the back seat of most vehicles with ease.
  • CAR SEAT FOR BABY TO BIG KID: Enjoy longevity of use with this 2-in-1 rear-facing to forward-facing convertible car seat. Use rear-facing for babies from 5–40 lbs. and 19'–40'.and forward-facing for toddlers to big kids 22–65 pounds and 34'–52'.
  • EASY TO INSTALL: The Guide convertible carseat for babies and toddlers is LATCH equipped for easy and fast installation. This convertible carseat for use in rear-facing and forward-facing meets or exceeds Federal safety standards
  • COMFORT FOR BABY IN EVERY CAR SEAT MODE: Muti-position adjustable headrest, 5 harness heights, 3 buckle locations and a multi-position headrest keep baby comfortable in this convertible car seat rear facing to forward facing
  • CONVENIENT CAR SEAT DESIGN DETAILS: Parents love that these carseats include a removable cup holder for on-the-go convenience.
SaleNo. 10
Baby Trend Cover Me 4 in 1 Convertible Car Seat, Vespa , 18.25 Inch (Pack of 1)
  • 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 CoverMe 4-in-1 Convertible Car Seat is 18.25", which allows it to fit three children across in most vehicles.
No. 11
Safety 1st Jive 2-in-1 Convertible Car Seat, Rear Facing Car Seats for Babies (5-40 lbs, 19-40"), Forward Facing Carseat for Toddlers (22-65 lbs, 29-49"), Harvest Moon
  • VERSATILE 2-IN-1 DESIGN: The Safety 1st Jive rear facing to forward facing convertible car seat accommodates your child rear-facing from 5-40 lbs 19"–40" and forward-facing from 22-65 lbs 29"–49", providing a comfy ride for different growth stages. 5-point harness. 3 buckle locations for comfort.
  • FITS 3 ACROSS: The slim car seat design is great for small cars, allowing you to fit three of these rear-facing baby car seats to forward-facing convertible car seats across the back seat of most vehicles.
  • EASY MAINTENANCE: Features machine washable and dryer-safe fabric, keeping it simple to clean up any messes your baby toddler big kid makes in the car seat rear facing or forward facing.
  • SIMPLE TO INSTALL: The Guide convertible carseat for babies and toddlers is LATCH equipped for easy and fast installation. This convertible carseat for use in rear-facing and forward-facing meets or exceeds Federal safety standards.
  • TRAVEL-FRIENDLY CAR SEAT: Certified for use on aircraft and compact enough to easily maneuver through airport security, offering convenience for your travel car seat.
SaleNo. 12
Graco Turn2Me 3-in-1 Convertible Car Seat, Rotating Seat feature, with Rear-Facing, Forward-Facing and Highback Booster options in Cambridge
  • One-Hand Rotation: Converts from rear-facing to forward-facing with ease
  • 3-In-1 Design: Transforms from rear-facing car seat (4-40 lbs) to forward-facing (22-65 lbs) to highback booster (40-100 lbs)
  • Quick Installation: SnugLock Technology ensures a fast & secure installation in less than a minute
  • Safety Features: Graco ProtectPlus Engineered to meet stringent crash tests and includes a no-rethread, simply safe adjust harness system
  • Adjustable Design: Features 10 headrest positions for a custom fit as your child grows
  • Convenient LATCH System: Graco’s InRight LATCH provides an easy, one-second attachment with an audible click for secure installation
  • Durable & Comfortable: Steel-reinforced frame ensures strength while plush inserts provide comfortable seating for infants
  • 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
  • Fuss-free harness storage pockets conveniently hold the harness out of the way for easy in and out
SaleNo. 13
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.
  • The original and only all-in-one convertible car seat that folds for travel or compact storage. FAA approved for airline use.
SaleNo. 14
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. 15
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.
  • EASY CLEAN-UP The seat includes two removable, dishwasher-safe cup holders and a removable seat pad (machine-washable and dryer-safe) for convenient cleanup after messy rides.
  • ADJUSTABLE BASE The TriMate All-in-One Convertible Car Seat’s base adjusts to three different positions for maximum comfort and safety.
SaleNo. 16
Safety 1st Grand 2-in-1 Booster Car Seat, Forward-Facing with Harness, 30-65 pounds and Belt-Positioning Booster, 40-120 pounds, Capri Teal
  • Forward-facing with harness, 30-65 pounds and Belt-positioning booster, 40-100 pounds
  • Designed to fit 3 across in most vehicles – great for growing families and car pools
  • Lightweight and easy to move from car to car
  • Deluxe fabric gives kids a comfy ride
No. 17
Graco Landmark 3 in 1 Car Seat | 3 Modes of Use from Rear Facing to Highback Booster Car Seat, Wynton
  • 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 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
  • 4-position recline keeps your child comfy and helps for a better installation
SaleNo. 18
Century Drive On 3-in-1 Car Seat – All-in-One Car Seat for Kids 5-100 lb, Metro
  • 3-in-1 CAR SEAT: Rear-facing with harness: 5-40 lb; forward-facing with harness: 22-65 lb; and forward-facing booster: 40-100 lb
  • HAPPY PLANET COLLECTION: Fabrics made with recycled materials as part of our Do More promise to Recycle, Reimagine, and Give Back
  • SLIM, SPACE-SAVING DESIGN: It's a back seat space savior
  • NO STRAP STRUGGLE: No-rethread harness system; one-hand, 6-position headrest and harness adjust together
  • 6-POSITION RECLINE: 3 rear-facing and 3 forward-facing positions for the right install
No. 19
Evenflo Chase Harnessed Booster, Jubilee , 18x18.5x29.5 Inch (Pack of 1)
12,201 Consomer Reviews
Evenflo Chase Harnessed Booster, Jubilee , 18x18.5x29.5 Inch (Pack of 1)
  • This 2-In-1 combination booster car seat fitting children from 22-110 pounds. converts from a 5-point harnessed to belt-positioning car seat allowing for extended use for your child
  • Upfront Harness Adjust: Central, front access to harness adjuster provides an easy way to adjust child's harness for an accurate, snug fit
  • This lightweight combination booster car seat comes equipped for latch systems allowing for easy installation and transfer between multiple vehicles. Do not use abrasive cleaners or solvents.
  • Buckle Positions: 2 crotch buckle positions to adjust for more seating space as child grows
  • Integrated cup holders keep drinks close without increasing the width of the car seat, allowing multiple car seats to fit your back seat. Harness booster age at least two years of age. Fit Tip: Childs ears are below top of child restraint headrest. Seat belt booster age at least four years of age
  • No Assembly Required
SaleNo. 20
Maxi-Cosi Pria 3 in 1 Convertible Forward and Rear Facing Child Car Seat with Adjustable Harness and Headrest for Kids 4 to 100 Pounds, Pink
  • 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.

How to choose a good 3 in 1 car seat

Does the idea of finding a fantastic 3 in 1 car seat 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 in 1 car seat. 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 in 1 car seat 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 in 1 car seat 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 in 1 car seat 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 in 1 car seat 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 in 1 car seat 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 in 1 car seat, 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 in 1 car seat.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting 3 in 1 car seat 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 in 1 car seat. 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 in 1 car seat 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 in 1 car seat.