# Infant car seats that later convert to forward\-facing or booster use Which infant car seats can later be used forward\-facing or as a booster? Cybex Callisto G 360: It is an all\-in\-one seat with rear\-facing, forward\-facing and belt\-positioning booster modes from birth through elementary school years\. Cybex Callisto G 360 Select: It is an all\-in\-one seat with rear\-facing, forward\-facing and belt\-positioning booster modes\. Cybex Callisto T 360: Rear\-facing is rated to 50 lb, forward\-facing harness to 65 lb and the belt\-positioning booster to 120 lb\. Britax One4Life Clicktight All\-in\-One Car Seat: The seat converts from rear\-facing use to forward\-facing toddler mode and then belt\-positioning booster mode\. ### 1. [Cybex Callisto G 360](/products/ucp/megababiesusa-com/8689832395006) (sold by megababiesusa\.com) It is an all\-in\-one seat with rear\-facing, forward\-facing and belt\-positioning booster modes from birth through elementary school years\. - Modes: It is an all\-in\-one seat with rear\-facing, forward\-facing and belt\-positioning booster modes from birth through elementary school years\. (guide) - Age and size: CYBEX states newborn to approximately 10 years, maximum child height 57 in and child weight 4–120 lb\. (guide) - Weight limits: CYBEX states newborn to approximately 10 years, maximum child height 57 in and child weight 4–120 lb\. (guide) - Bulk and fit: The review warns that the 35 lb weight and 19\.5 in width make it a poor choice for small vehicles, frequent travel or three\-across setups; sources disagree on width, with this review and CYBEX saying 19\.5 in and Albee Baby saying 18\.7 in\. (review) ### 2. [Cybex Callisto G 360 Select](/products/ucp/megababiesusa-com/8996785979646) (sold by megababiesusa\.com) It is an all\-in\-one seat with rear\-facing, forward\-facing and belt\-positioning booster modes\. - Modes: It is an all\-in\-one seat with rear\-facing, forward\-facing and belt\-positioning booster modes\. (guide) - Age and size: Cybex states the age range is from newborn up to about 10 years\. (guide) - Weight limits: The maker lists a child weight range of 4 lb up to 120 lb across the seat's modes\. (guide) - Bulk and fit: - ### 3. [Cybex Callisto T 360](/products/ucp/megababiesusa-com/9292382732542) (sold by megababiesusa\.com) Rear\-facing is rated to 50 lb, forward\-facing harness to 65 lb and the belt\-positioning booster to 120 lb\. - Modes: Rear\-facing is rated to 50 lb, forward\-facing harness to 65 lb and the belt\-positioning booster to 120 lb\. (listing) - Age and size: The seat is rated from newborn to about 10 years, for children from 4 lb up to 120 lb and no taller than 57 inches\. (guide) - Weight limits: Rear\-facing is rated to 50 lb, forward\-facing harness to 65 lb and the belt\-positioning booster to 120 lb\. (listing) - Bulk and fit: Assembled, the seat is 21\.7 in long and 19\.5 in wide, stands 25\.5 to 35 in tall, and weighs 35 lb\. (guide) ### 4. [Britax One4Life Clicktight All\-in\-One Car Seat](/products/ucp/anbbaby-com/9939272139038) (sold by anbbaby\.com) The seat converts from rear\-facing use to forward\-facing toddler mode and then belt\-positioning booster mode\. - Modes: The seat converts from rear\-facing use to forward\-facing toddler mode and then belt\-positioning booster mode\. (guide) - Age and size: The store describes the intended span as birth through approximately age 10\. (guide) - Weight limits: The maker states rear\-facing up to 50 lb, forward\-facing from 30 to 65 lb, and booster mode from 40 to 120 lb, while warning that limits may vary by model\. (guide) - Bulk and fit: Independent testing measured the seat at 28\.1 lb and about 19\.4 inches wide, making it comparatively heavy and broad rather than travel\-friendly or narrow\. (review) 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\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-24T19:39:35.344Z. This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. 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