{
  "schema_version": "compare-page.v2",
  "page_id": "convertible-car-seats-that-also-work-as-boosters-db42f990",
  "url": "https://robotrunk.com/compare/want/convertible-car-seats-that-also-work-as-boosters-db42f990",
  "title": "Convertible Car Seats That Also Work as Boosters",
  "question": "Which convertible car seats can also be used later as a booster seat?",
  "answer": "Britax One4Life All-in-One Car Seat: One seat covers three stages and is sold as growing with the child for 10 years: rear-facing infant and toddler use 5-50 lb, forward-facing harness use 30-65 lb, and high-back booster use 40-120 lb.\nCybex Gold Eternis S Sensor Safe All-In-One Car Seat: It is an all-in-one convertible with rear-facing, forward-facing and booster modes, from birth to 120 lb.\nJoie Baby Saffron SI: It converts from rearward-facing to forward-facing, then to highback booster and backless booster.\nSafety 1ST Grow and Go™ All-in-One Convertible Car Seat: It is a convertible car seat that works rear-facing, forward-facing and as a belt-positioning booster for children from 5 to 100 lb.\nGraco SlimFit 3-in-1 Narrow All-in-One Convertible Car Seat - Sydney: It is a 3-in-1 all-in-one convertible car seat that can be used rear-facing, forward-facing, and as a belt-positioning booster.\nGraco SlimFit3 LX: The seat grows from a rear-facing harness to a forward-facing harness to a highback booster.\nEvenflo All4Stages Slim 4-in-1 Convertible Car Seat: from birth to booster",
  "kind": "convertible car seat",
  "market": "US",
  "generated_at": "2026-10-30T12:17:12.801Z",
  "columns": [
    "Booster mode",
    "Booster weight",
    "Dimensions"
  ],
  "notices": {
    "facts": "Every value in the table is a fact RoboTrunk checked, linked to the page it came from. A dash means no checked fact fills that cell.",
    "price": "Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live."
  },
  "cited_facts": [
    {
      "ref": "p1.f3",
      "product": "Evenflo All4Stages Slim 4-in-1 Convertible Car Seat",
      "field": "use_stage_range",
      "value": "from birth to booster",
      "stated_as": "from birth to booster",
      "source_type": "listing",
      "source_url": "https://evenflobaby.myshopify.com/products.json",
      "source_read_at": "2026-09-18T19:33:14.935Z"
    },
    {
      "ref": "p1.f7",
      "product": "Evenflo All4Stages Slim 4-in-1 Convertible Car Seat",
      "field": "footprint",
      "value": "16.9 in.",
      "stated_as": "streamlined 16.9 in. footprint",
      "source_type": "listing",
      "source_url": "https://evenflobaby.myshopify.com/products.json",
      "source_read_at": "2026-09-18T19:33:14.935Z"
    },
    {
      "ref": "p1.f10",
      "product": "Evenflo All4Stages Slim 4-in-1 Convertible Car Seat",
      "field": "child_weight_maximum",
      "value": "120 lbs",
      "stated_as": "Child Weight \n Min. 4 lbs Max. 120 lbs",
      "source_type": "listing",
      "source_url": "https://evenflobaby.myshopify.com/products/all4stages-slim-4-in-1-convertible-car-seat",
      "source_read_at": "2026-09-18T19:33:14.935Z"
    },
    {
      "ref": "p5.f2",
      "product": "Joie Baby Saffron SI (model C2401AA; SKUs begin C2401AA)",
      "field": "dimensions",
      "value": "Product dimensions are 22 in long, 19 in wide, and 24.5 to 33 in high.",
      "stated_as": "Product Dimensions: l 22 x w 19 x h 24.5-33 in.",
      "source_type": "guide",
      "source_url": "https://strolleria.myshopify.com/products/joie-baby-saffron-si-4in1",
      "source_read_at": "2026-10-14T18:27:09.897Z"
    },
    {
      "ref": "p5.f3",
      "product": "Joie Baby Saffron SI (model C2401AA; SKUs begin C2401AA)",
      "field": "highback booster limits per manual",
      "value": "The manual lists the highback booster weight range as 40 to 100 lb.",
      "stated_as": "Weight: 40 - 100 lb.",
      "source_type": "manual",
      "source_url": "https://dl.joiebaby.com/Instruction_Manual/US/Saffron-SI/Joie-carseat-saffron-si-instruction-manual.pdf",
      "source_read_at": "2026-10-14T18:27:18.345Z"
    },
    {
      "ref": "p5.f6",
      "product": "Joie Baby Saffron SI (model C2401AA; SKUs begin C2401AA)",
      "field": "modes",
      "value": "It converts from rearward-facing to forward-facing, then to highback booster and backless booster.",
      "stated_as": "It adapts from a rearward-facing car seat to a forward-facing seat, then transitions to a highback booster and finally a one-hand transtion backless booster.",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-13T19:52:33.546Z"
    },
    {
      "ref": "p6.f1",
      "product": "Graco SlimFit3 LX",
      "field": "modes",
      "value": "The seat grows from a rear-facing harness to a forward-facing harness to a highback booster.",
      "stated_as": "grows with your child from rear-facing harness (5-40 lb) to forward-facing harness (26.5-65 lb) to highback booster (40-100 lb).",
      "source_type": "listing",
      "source_url": "https://dd1dfe-a3.myshopify.com/products.json",
      "source_read_at": "2026-10-09T19:03:04.916Z"
    },
    {
      "ref": "p6.f7",
      "product": "Graco SlimFit3 LX",
      "field": "dimensions",
      "value": "The seat measures about 20.7 inches long by 16.7 inches wide by 24.5 inches high.",
      "stated_as": "The seat measures about 20.7 inches long by 16.7 inches wide by 24.5 inches high.",
      "source_type": "blog",
      "source_url": "https://parenthoodadventures.com/graco-slimfit3-lx-3-in-1-car-seat-review/",
      "source_read_at": "2026-10-09T23:09:02.684Z"
    },
    {
      "ref": "p7.f1",
      "product": "Graco SlimFit 3-in-1 Narrow All-in-One Convertible Car Seat - Sydney",
      "field": "modes",
      "value": "It is a 3-in-1 all-in-one convertible car seat that can be used rear-facing, forward-facing, and as a belt-positioning booster.",
      "stated_as": "It's a rear-facing (5-40 lb) and forward-facing (22-65 lb) car seat, as well as a belt-positioning booster (30-100 lb).",
      "source_type": "listing",
      "source_url": "https://dd1dfe-a3.myshopify.com/products.json",
      "source_read_at": "2026-10-09T19:03:04.916Z"
    },
    {
      "ref": "p8.f1",
      "product": "Britax One4Life All-in-One Car Seat",
      "field": "modes and weight limits",
      "value": "One seat covers three stages and is sold as growing with the child for 10 years: rear-facing infant and toddler use 5-50 lb, forward-facing harness use 30-65 lb, and high-back booster use 40-120 lb.",
      "stated_as": "Designed to grow with your child for 10 years, easily converting from a rear-facing infant and toddler seat (5-50 lbs) to a forward-facing seat with a harness (30-65 lbs) and, finally, to a high-back booster (40-120 lbs).",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-12T20:06:05.806Z"
    },
    {
      "ref": "p8.f7",
      "product": "Britax One4Life All-in-One Car Seat",
      "field": "seat dimensions",
      "value": "The store's own page gives the seat's overall size as 18.5 in long, 17.5 in wide and 24.5 in high.",
      "stated_as": "Product Dimensions: 18.5\" L × 17.5\" W × 24.5\" H",
      "source_type": "guide",
      "source_url": "https://strolleria.myshopify.com/products/britax-one4life-slim-all-in-one-car-seat-1",
      "source_read_at": "2026-10-13T01:12:53.084Z"
    },
    {
      "ref": "p9.f3",
      "product": "Cybex Gold Eternis S Sensor Safe All-In-One Car Seat",
      "field": "modes",
      "value": "It is an all-in-one convertible with rear-facing, forward-facing and booster modes, from birth to 120 lb.",
      "stated_as": "With three modes - rear-facing, forward-facing, and booster, this All-In-One Convertible Car Seat is designed for use from birth up to 120 lbs.",
      "source_type": "guide",
      "source_url": "https://top-stroll.myshopify.com/products/cybex-eternis-s-sensor-safe-all-in-one-car-seat",
      "source_read_at": "2026-10-18T13:49:19.157Z"
    },
    {
      "ref": "p9.f12",
      "product": "Cybex Gold Eternis S Sensor Safe All-In-One Car Seat",
      "field": "weight limits",
      "value": "Rear-facing is 4-50 lb, forward-facing with harness is 22-65 lb, and belt-positioning booster is 40-120 lb.",
      "stated_as": "Rear-facing from 4 lbs. to 50 lbs. Forward-facing from 22 lbs. to 65 lbs., Belt-positioning Booster from 40 lbs. to 120 lbs.",
      "source_type": "guide",
      "source_url": "https://top-stroll.myshopify.com/products/cybex-eternis-s-sensor-safe-all-in-one-car-seat",
      "source_read_at": "2026-10-18T13:49:19.157Z"
    },
    {
      "ref": "p10.f1",
      "product": "Safety 1ST Grow and Go™ All-in-One Convertible Car Seat",
      "field": "what it is",
      "value": "It is a convertible car seat that works rear-facing, forward-facing and as a belt-positioning booster for children from 5 to 100 lb.",
      "stated_as": "The Grow and Go™ All-in-One Convertible Car Seat is designed to last through all your firsts with your child, from 5 to 100 lbs, and can be used in rear-facing, forward-facing, and belt-positioning booster mode.",
      "source_type": "listing",
      "source_url": "https://top-stroll.myshopify.com/products.json",
      "source_read_at": "2026-10-19T19:20:38.895Z"
    },
    {
      "ref": "p10.f3",
      "product": "Safety 1ST Grow and Go™ All-in-One Convertible Car Seat",
      "field": "dimensions",
      "value": "The seat measures 24.5 in. deep, 19.25 in. wide and 24.25 in. high.",
      "stated_as": "24.5\"D x 19.25\"W x 24.25\"H",
      "source_type": "guide",
      "source_url": "https://top-stroll.myshopify.com/products/safety-1%CB%A2%E1%B5%97-grow-and-go%E2%84%A2-all-in-one-convertible-car-seat",
      "source_read_at": "2026-10-20T03:11:27.953Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/8076366905418",
      "name": "Britax One4Life All-in-One Car Seat",
      "url": "/products/ucp/strolleria-com/8076366905418",
      "why": "One seat covers three stages and is sold as growing with the child for 10 years: rear-facing infant and toddler use 5-50 lb, forward-facing harness use 30-65 lb, and high-back booster use 40-120 lb.",
      "cells": [
        {
          "column": "Booster mode",
          "fact": {
            "field": "modes and weight limits",
            "value": "One seat covers three stages and is sold as growing with the child for 10 years: rear-facing infant and toddler use 5-50 lb, forward-facing harness use 30-65 lb, and high-back booster use 40-120 lb.",
            "stated_as": "Designed to grow with your child for 10 years, easily converting from a rear-facing infant and toddler seat (5-50 lbs) to a forward-facing seat with a harness (30-65 lbs) and, finally, to a high-back booster (40-120 lbs).",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-12T20:06:05.806Z"
          }
        },
        {
          "column": "Booster weight",
          "fact": {
            "field": "modes and weight limits",
            "value": "One seat covers three stages and is sold as growing with the child for 10 years: rear-facing infant and toddler use 5-50 lb, forward-facing harness use 30-65 lb, and high-back booster use 40-120 lb.",
            "stated_as": "Designed to grow with your child for 10 years, easily converting from a rear-facing infant and toddler seat (5-50 lbs) to a forward-facing seat with a harness (30-65 lbs) and, finally, to a high-back booster (40-120 lbs).",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-12T20:06:05.806Z"
          }
        },
        {
          "column": "Dimensions",
          "fact": {
            "field": "seat dimensions",
            "value": "The store's own page gives the seat's overall size as 18.5 in long, 17.5 in wide and 24.5 in high.",
            "stated_as": "Product Dimensions: 18.5\" L × 17.5\" W × 24.5\" H",
            "source_type": "guide",
            "source_url": "https://strolleria.myshopify.com/products/britax-one4life-slim-all-in-one-car-seat-1",
            "source_read_at": "2026-10-13T01:12:53.084Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/6761164505241",
      "name": "Cybex Gold Eternis S Sensor Safe All-In-One Car Seat",
      "url": "/products/ucp/megababiesusa-com/6761164505241",
      "why": "Rear-facing is 4-50 lb, forward-facing with harness is 22-65 lb, and belt-positioning booster is 40-120 lb.",
      "cells": [
        {
          "column": "Booster mode",
          "fact": {
            "field": "modes",
            "value": "It is an all-in-one convertible with rear-facing, forward-facing and booster modes, from birth to 120 lb.",
            "stated_as": "With three modes - rear-facing, forward-facing, and booster, this All-In-One Convertible Car Seat is designed for use from birth up to 120 lbs.",
            "source_type": "guide",
            "source_url": "https://top-stroll.myshopify.com/products/cybex-eternis-s-sensor-safe-all-in-one-car-seat",
            "source_read_at": "2026-10-18T13:49:19.157Z"
          }
        },
        {
          "column": "Booster weight",
          "fact": {
            "field": "weight limits",
            "value": "Rear-facing is 4-50 lb, forward-facing with harness is 22-65 lb, and belt-positioning booster is 40-120 lb.",
            "stated_as": "Rear-facing from 4 lbs. to 50 lbs. Forward-facing from 22 lbs. to 65 lbs., Belt-positioning Booster from 40 lbs. to 120 lbs.",
            "source_type": "guide",
            "source_url": "https://top-stroll.myshopify.com/products/cybex-eternis-s-sensor-safe-all-in-one-car-seat",
            "source_read_at": "2026-10-18T13:49:19.157Z"
          }
        },
        {
          "column": "Dimensions",
          "fact": null
        }
      ]
    },
    {
      "rank": 3,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/7897047597130",
      "name": "Joie Baby Saffron SI (model C2401AA; SKUs begin C2401AA)",
      "url": "/products/ucp/strolleria-com/7897047597130",
      "why": "The manual lists the highback booster weight range as 40 to 100 lb.",
      "cells": [
        {
          "column": "Booster mode",
          "fact": {
            "field": "modes",
            "value": "It converts from rearward-facing to forward-facing, then to highback booster and backless booster.",
            "stated_as": "It adapts from a rearward-facing car seat to a forward-facing seat, then transitions to a highback booster and finally a one-hand transtion backless booster.",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-13T19:52:33.546Z"
          }
        },
        {
          "column": "Booster weight",
          "fact": {
            "field": "highback booster limits per manual",
            "value": "The manual lists the highback booster weight range as 40 to 100 lb.",
            "stated_as": "Weight: 40 - 100 lb.",
            "source_type": "manual",
            "source_url": "https://dl.joiebaby.com/Instruction_Manual/US/Saffron-SI/Joie-carseat-saffron-si-instruction-manual.pdf",
            "source_read_at": "2026-10-14T18:27:18.345Z"
          }
        },
        {
          "column": "Dimensions",
          "fact": {
            "field": "dimensions",
            "value": "Product dimensions are 22 in long, 19 in wide, and 24.5 to 33 in high.",
            "stated_as": "Product Dimensions: l 22 x w 19 x h 24.5-33 in.",
            "source_type": "guide",
            "source_url": "https://strolleria.myshopify.com/products/joie-baby-saffron-si-4in1",
            "source_read_at": "2026-10-14T18:27:09.897Z"
          }
        }
      ]
    },
    {
      "rank": 4,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/8585882894590",
      "name": "Safety 1ST Grow and Go™ All-in-One Convertible Car Seat",
      "url": "/products/ucp/megababiesusa-com/8585882894590",
      "why": "It is a convertible car seat that works rear-facing, forward-facing and as a belt-positioning booster for children from 5 to 100 lb.",
      "cells": [
        {
          "column": "Booster mode",
          "fact": {
            "field": "what it is",
            "value": "It is a convertible car seat that works rear-facing, forward-facing and as a belt-positioning booster for children from 5 to 100 lb.",
            "stated_as": "The Grow and Go™ All-in-One Convertible Car Seat is designed to last through all your firsts with your child, from 5 to 100 lbs, and can be used in rear-facing, forward-facing, and belt-positioning booster mode.",
            "source_type": "listing",
            "source_url": "https://top-stroll.myshopify.com/products.json",
            "source_read_at": "2026-10-19T19:20:38.895Z"
          }
        },
        {
          "column": "Booster weight",
          "fact": null
        },
        {
          "column": "Dimensions",
          "fact": {
            "field": "dimensions",
            "value": "The seat measures 24.5 in. deep, 19.25 in. wide and 24.25 in. high.",
            "stated_as": "24.5\"D x 19.25\"W x 24.25\"H",
            "source_type": "guide",
            "source_url": "https://top-stroll.myshopify.com/products/safety-1%CB%A2%E1%B5%97-grow-and-go%E2%84%A2-all-in-one-convertible-car-seat",
            "source_read_at": "2026-10-20T03:11:27.953Z"
          }
        }
      ]
    },
    {
      "rank": 5,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9564479750375",
      "name": "Graco SlimFit 3-in-1 Narrow All-in-One Convertible Car Seat - Sydney",
      "url": "/products/ucp/albeebaby-com/9564479750375",
      "why": "It is a 3-in-1 all-in-one convertible car seat that can be used rear-facing, forward-facing, and as a belt-positioning booster.",
      "cells": [
        {
          "column": "Booster mode",
          "fact": {
            "field": "modes",
            "value": "It is a 3-in-1 all-in-one convertible car seat that can be used rear-facing, forward-facing, and as a belt-positioning booster.",
            "stated_as": "It's a rear-facing (5-40 lb) and forward-facing (22-65 lb) car seat, as well as a belt-positioning booster (30-100 lb).",
            "source_type": "listing",
            "source_url": "https://dd1dfe-a3.myshopify.com/products.json",
            "source_read_at": "2026-10-09T19:03:04.916Z"
          }
        },
        {
          "column": "Booster weight",
          "fact": null
        },
        {
          "column": "Dimensions",
          "fact": null
        }
      ]
    },
    {
      "rank": 6,
      "merchant": {
        "slug": "albeebaby-com",
        "display_name": "albeebaby.com"
      },
      "product_id": "gid://shopify/Product/9685796585703",
      "name": "Graco SlimFit3 LX",
      "url": "/products/ucp/albeebaby-com/9685796585703",
      "why": "The seat grows from a rear-facing harness to a forward-facing harness to a highback booster.",
      "cells": [
        {
          "column": "Booster mode",
          "fact": {
            "field": "modes",
            "value": "The seat grows from a rear-facing harness to a forward-facing harness to a highback booster.",
            "stated_as": "grows with your child from rear-facing harness (5-40 lb) to forward-facing harness (26.5-65 lb) to highback booster (40-100 lb).",
            "source_type": "listing",
            "source_url": "https://dd1dfe-a3.myshopify.com/products.json",
            "source_read_at": "2026-10-09T19:03:04.916Z"
          }
        },
        {
          "column": "Booster weight",
          "fact": null
        },
        {
          "column": "Dimensions",
          "fact": {
            "field": "dimensions",
            "value": "The seat measures about 20.7 inches long by 16.7 inches wide by 24.5 inches high.",
            "stated_as": "The seat measures about 20.7 inches long by 16.7 inches wide by 24.5 inches high.",
            "source_type": "blog",
            "source_url": "https://parenthoodadventures.com/graco-slimfit3-lx-3-in-1-car-seat-review/",
            "source_read_at": "2026-10-09T23:09:02.684Z"
          }
        }
      ]
    },
    {
      "rank": 7,
      "merchant": {
        "slug": "evenflo-com",
        "display_name": "evenflo.com"
      },
      "product_id": "gid://shopify/Product/8602499711132",
      "name": "Evenflo All4Stages Slim 4-in-1 Convertible Car Seat",
      "url": "/products/ucp/evenflo-com/8602499711132",
      "why": "from birth to booster",
      "cells": [
        {
          "column": "Booster mode",
          "fact": {
            "field": "use_stage_range",
            "value": "from birth to booster",
            "stated_as": "from birth to booster",
            "source_type": "listing",
            "source_url": "https://evenflobaby.myshopify.com/products.json",
            "source_read_at": "2026-09-18T19:33:14.935Z"
          }
        },
        {
          "column": "Booster weight",
          "fact": {
            "field": "child_weight_maximum",
            "value": "120 lbs",
            "stated_as": "Child Weight \n Min. 4 lbs Max. 120 lbs",
            "source_type": "listing",
            "source_url": "https://evenflobaby.myshopify.com/products/all4stages-slim-4-in-1-convertible-car-seat",
            "source_read_at": "2026-09-18T19:33:14.935Z"
          }
        },
        {
          "column": "Dimensions",
          "fact": {
            "field": "footprint",
            "value": "16.9 in.",
            "stated_as": "streamlined 16.9 in. footprint",
            "source_type": "listing",
            "source_url": "https://evenflobaby.myshopify.com/products.json",
            "source_read_at": "2026-09-18T19:33:14.935Z"
          }
        }
      ]
    }
  ]
}