IBJJF AUTHORITY

IBJJF Weight Classes — Complete Division Guide

Every IBJJF weight division for adult, master, and juvenile competitors. Gi and no-gi limits, weigh-in rules, and the strategy of choosing your bracket.

Adult Male Gi Weight Divisions

IBJJF adult male divisions include the gi weight in the limit. The competitor weighs in fully kitted in their gi and belt right before competing.

DivisionWeight Limit (kg)Weight Limit (lb)
Rooster57.5126.5
Light Feather64141.0
Feather70154.5
Light76167.5
Middle82.3181.5
Medium Heavy88.3195.0
Heavy94.3207.5
Super Heavy100.5221.5
Ultra HeavyNo limitNo limit
Open ClassAny weightAny weight

Adult Female Gi Weight Divisions

Female adult divisions follow the same gi-included weigh-in process.

DivisionWeight Limit (kg)Weight Limit (lb)
Rooster48.5107.0
Light Feather53.5118.0
Feather58.5129.0
Light64141.0
Middle69152.5
Medium Heavy74163.5
Heavy79.3175.0
Super HeavyNo limitNo limit
Open ClassAny weightAny weight

No-Gi Weight Divisions

No-gi limits are slightly lower because the gi adds 2 to 3 kg. Practitioners weigh in wearing only their no-gi competition uniform.

Male DivisionLimit (kg)Female DivisionLimit (kg)
Rooster55.5Rooster46.5
Light Feather61.5Light Feather51.5
Feather67.5Feather56.5
Light73.5Light62
Middle79.5Middle67
Medium Heavy85.5Medium Heavy72
Heavy91.5Heavy77.5
Super Heavy97.5Super HeavyNo limit
Ultra HeavyNo limitOpen ClassAny

Master Division Weight Classes

Master divisions exist for ages 30 and up. The weight limits are the same as adult divisions. Age subdivisions are: Master 1 (30-35), Master 2 (36-40), Master 3 (41-45), Master 4 (46-50), Master 5 (51-55), Master 6 (56-60), and Master 7 (61+).

Master practitioners can choose to compete in their age bracket or move down to adult if they want stronger competition. They cannot move up to a higher master division.

Juvenile Weight Classes

Juvenile divisions cover ages 16 and 17. Weight limits are slightly different from adult.

Male JuvenileLimit (kg)Female JuvenileLimit (kg)
Rooster53.5Rooster44.3
Light Feather58.5Light Feather48.3
Feather64Feather52.5
Light69Light56.5
Middle74Middle60.5
Medium Heavy79.3Medium Heavy65
Heavy84.3HeavyNo limit
Super Heavy89.3
Ultra HeavyNo limit

How IBJJF Weigh-Ins Work

Weigh-ins happen on the same day as your match, typically 30 to 60 minutes before your division starts. Once you make weight, you receive a wristband confirming your division.

You weigh in fully kitted in your competition gi and belt. The scale registration is final — there is no second chance and no margin of error. Practitioners who miss weight by even 0.1 kg are disqualified or moved to a higher division depending on rules at the specific event.

No-gi practitioners weigh in wearing only their rash guard, shorts, and any joint protection allowed by IBJJF (e.g., knee braces). Underwear is not weighed but cup or compression shorts are.

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Frequently Asked Questions

What are the IBJJF weight divisions?

There are 9 male and 8 female adult gi weight divisions, ranging from Rooster (57.5 kg male / 48.5 kg female) up to Ultra Heavy (no limit). No-gi divisions are slightly lower because the gi adds weight.

How do IBJJF weigh-ins work?

You weigh in 30 to 60 minutes before your division starts, fully kitted in your gi and belt. The scale is final and you receive a wristband confirming you made weight.

Are IBJJF scales accurate?

IBJJF uses certified competition scales. Practitioners report scale readings vary slightly between events. Most cut to 0.5 kg under the limit to account for variation.

What weight class am I in BJJ?

Subtract your gi weight (typically 1.5 to 2 kg) from your scale weight. The result is your no-gi weight. Compare both to the IBJJF tables to find your divisions.

Can I move up a weight class in IBJJF?

Yes. You can compete in any division above your weight, including Open Class which has no upper limit. You cannot compete down.

How much does a BJJ gi weigh?

Light gis weigh 1.2 to 1.6 kg. Standard gis weigh 1.5 to 2 kg. Heavy gis can reach 2.5 kg. Most competitors use light gis to maximize weight margin.

What is Open Class in IBJJF?

Open Class is the absolute division — any weight competitor can enter. It is the most prestigious division at IBJJF events because the winner faces all weight categories.

Do master divisions follow adult weight classes?

Yes. Master 1 through Master 7 use the same weight limits as adult divisions, just sorted by age bracket.

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How This Affects Your Training

Knowing the framework matters because BJJ progression is tracked, not assumed. Practitioners who understand the IBJJF system make better training decisions, communicate clearly with their professor about promotion, and recognize when they have actually met the minimum requirements versus when they are still building.

Most BJJ practitioners overestimate their training consistency. Tracking accurate session counts reveals the truth. A practitioner who feels they train four days a week often logs only 12 sessions per month — three days weekly when measured. The data discipline of logging sessions exposes the gap between perception and reality.

Standards Apply Universally

Whether you train at a Gracie Barra in São Paulo, a 10th Planet in Los Angeles, or a small independent academy in your hometown, the IBJJF standards remain the same. Belt rank is portable. Time-in-grade requirements are universal. The progression criteria do not vary by academy. This consistency is what makes BJJ ranks meaningful globally.

Your Next Steps

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