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Fit Finder®

Find the perfect seat for your child and your car with our FIT FINDER® tool.

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Because we believe in making safe simple we’ve developed one of the most comprehensive car seat selection tools you will find. 

Simply specify your child’s age and weight and then indicate the make, model and year of your car to be shown a full list of Britax car seats that are suitable for your child and compatible with your car. To find more detailed installation advice tailored to your car, simply click on More below your chosen seat.


Choose one or more age groups


Height 40 cm - 83 cm

Child's weight Birth - 13 kg

Age Birth - 15 months


Height 61 cm - 105 cm

Child's weight 9 kg - 18 kg

Age 9 months - 4 years


Height 100 cm - 150 cm

Child's weight 15 kg - 36 kg

Age 3.5 years - 12 years


Although our results are accurate for the vehicles we tested, vehicle variations can occur and for this reason we would always suggest having the car seat checked in your car before making a final purchase.

The results have been updated: Take a look