How often should a brand-new white belt train?

The answer I got from every credible person I asked: two or three times a week, for the first several months. Here is the reasoning, because the reasoning is what keeps you honest in week three.

Why not more, at first

Week-one enthusiasm says go daily. Your connective tissue did not get the memo. Jiu-jitsu loads fingers, neck, ribs, and knees in ways no gym routine prepared you for, and tendons adapt slower than enthusiasm or even muscle. The classic beginner arc is: train daily for two weeks, develop a neck thing or a finger thing, miss a month. Two to three sessions with rest days between them is how you stay on the mat all year, and a year of consistent twos beats a month of sevens followed by a quit.

There is also a learning argument: jiu-jitsu is dense. Two classes give you material to replay. Seven classes give you a smoothie of half-recalled positions.

Why not less

Once a week works for enjoyment but barely for progress: with six days between classes you spend most of each session re-finding last week. Twice a week is the minimum dose where techniques start to stack instead of evaporate. If life only allows once a week, that is still infinitely more jiu-jitsu than zero. Go anyway.

The schedule that is actually working for me

Tuesday and Thursday class, with a rest day after each, plus rewatching one technique video on the weekend and lying on the floor moving my hips like an idiot. Boring, sustainable, and I arrive at each class actually recovered, which it turns out is when learning happens.

The real rule

Pick the number you can repeat for a year, then subtract your optimism. Consistency is the only variable a white belt fully controls. The mat rewards the people who keep arriving.