List of motor racing circuits by FIA grade
Appendix O to the FIA International Sporting Code defines the inspection and licensing process for auto racing circuits intending to host races sanctioned by the Fédération Internationale de l'Automobile, motorsport's governing body. The grades issued by the FIA are 1, 2, 3, 4 and 6, depending on the suitability of the circuit for different types and groups of cars, with 1 being the highest grade and the only circuits that can host Formula One races. A circuit holding a particular grade can also host events featuring categories of cars at lower grades. The grades are issued "with the sole purpose of permitting the registration of races on the FIA International Calendar, for the categories of vehicles specified".
Grades 1–4 concern various categories of cars depending on their power to weight ratio, and grade 6 relates to autocross, rallycross and ice racing courses. Grade 5 was previously designated for alternative energy vehicles until September 2022, when this was changed to designate developing circuits with FIA Provisional Circuit Licences.
Grade One
there are currently 39 Grade One circuits for a total of 59 layouts. Circuits holding Grade One certification may host events involving "Automobiles of Groups D and E with a weight/power ratio of less than 1 kg/hp." As such, a Grade One certification is required to host events involving Formula One cars. Additional requirements for Grade 1 include advanced medical facilities and staff, barrier safety design, and minimum track lengths and widths.| Circuit | Location | Country | Layout | Length | Expiration date | |||||||||||||||||||||||||||||||||
| Albert Park Circuit | Melbourne | AustraliaConvert|5.278|km|abbr=onGrade Twothere are 65 Grade Two circuits for a total of 81 layouts. Circuits holding Grade Two certification may host events involving "Automobiles of Groups D and E with a weight/power ratio of between 1 and 2 kg/hp."
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AustraliaConvert|5.278|km|abbr=on
CzechiaConvert|4.212|km|abbr=on
BrazilConvert|3.835|km|abbr=onrefn|group=N|name=Goiânia G4|Autódromo Internacional Ayrton Senna 's
SpainConvert|0.835|km|abbr=on