Powerlifting weight classes: IPF, USAPL and USPA, and why the weigh-in clock matters more than the chart

The most-read page on this subject says the weight classes in powerlifting are the same in every federation. They are not. The IPF and its affiliates run one structure, the USPA and most other federations run a twelve-class one, and USAPL, the largest federation in the United States, left the IPF structure for a twelve-class set of its own. The same lifter sits in a different class depending on which card he enters. All of them are below, in kilograms and pounds, followed by the rule that decides more than any of the numbers: whether the weigh-in is two hours before you lift or a full day.

IPF weight classes

The International Powerlifting Federation sets the classes for its national affiliates, and the current structure, in the 2026 Technical Rulebook, is eight open classes per sex plus one lighter class reserved for sub-juniors and juniors. These are the classes at IPF championships and in IPF-affiliated national federations, which in the United States means Powerlifting America rather than USAPL.

Men

Women

Each class runs from just above the class below it up to and including the number: the 74 kg class is 66.01 kg to 74.00 kg. The scale reads in kilograms and the pound figures here are conversions for reading, not limits.

USPA weight classes

The United States Powerlifting Association kept the older twelve-class structure that the IPF moved away from, and most non-IPF federations, WRPF among them, use the same or a close variant. Twelve classes spaced more tightly means smaller gaps between them, which changes the cut arithmetic: the class below is usually closer than in the IPF system.

Men

Women

USAPL weight classes

USAPL was expelled from the IPF in November 2021 and has operated independently since, including internationally. In the same month it announced a return to the older class structure, and its current rulebook, v2026.2, effective 1 January 2026, sets out twelve classes per sex in section 1.8. The men's set is the same twelve as the USPA list above, 52 kg through 140+. The women's set added classes at 44 kg and 48 kg and differs from the USPA women's set in the middle of the range, so take it from the rulebook itself rather than from any table on the web, including this one. USAPL meets have historically run the 2-hour weigh-in; the meet information states which format applies.

USPA sets a minimum competition age of 13 with no upper limit. The IPF allows competitive lifting under 14 only at national events. If you compete in a federation not named here, its rulebook is the only reliable source for its classes; several smaller federations publish variants of the twelve-class table with one or two classes moved.

Two hours or a day: the rule that decides the plan

I work in combat sports, where the weigh-in clock is the first question anyone asks about a fight, and it is strange to me how little attention it gets in powerlifting, where it matters at least as much. There are two formats in the sport and they are opposite jobs.

The 2-hour weigh-in. The IPF format, used at its championships and by its affiliates: the lifter weighs in two hours before the category starts and lifts on whatever body that weigh-in was done with. This is the amateur-tournament problem from kickboxing and boxing, or the wrestling second morning, with even less time. Two hours is not enough to replace water taken out on purpose, and a lifter who is 2 percent dehydrated at the bar is lifting with less than he trained with. A same-day weigh-in roughly halves what water can do in combat sport; at two hours it takes it to zero. The weight has to be made with food, over weeks, at roughly half to one percent of body mass a week, or the class has to be the one above.

The 24-hour weigh-in. The USPA format and the norm in most non-IPF federations: weigh in the day before, lift the next day. This is the professional boxing window. Water can come out and go back in, and the lifter who does it well arrives at the bar at close to his training weight. The arithmetic is the same as for a fighter: the figure with evidence behind it for a week is about 5 percent of body mass, most of it water, and the refill afterwards decides whether the cut was worth doing. What goes back in, in what order, is in rehydration after the weigh-in, and it does not change because the event is a barbell rather than a ring.

Some meets in the IPF orbit and in USAPL offer both formats, and the format is printed in the meet information. Read it before you decide a class, because a class that is comfortable with a day of recovery is the wrong class with two hours.

Choosing a class

Start from what you weigh on an ordinary training day, in the middle of a block, eating normally. For a first meet that is your class, in whichever structure the federation uses, and the first two or three meets are for learning the platform rather than the scale.

For an experienced lifter the question has three parts. Which format the meet runs, because that decides whether water is available at all. How far the class below sits from training weight, because a gap that food can close in the weeks available is a plan and a gap that only a sauna can close is the wrong class. And whether the total in the lower class is actually better once the cut is paid for, which is a question most lifters never measure and should. The between-camp band that works for fighters, sitting a set percentage above the limit between events, applies here too, with the percentage set by the weigh-in format.

Anyone under 18 lifts at the weight they are. The USPA minimum age of 13 is a competition rule and says nothing about weight. A growing lifter who does not fit a class enters the class above, and the rest of the conversation belongs with a physician rather than a coach.

Anti-doping, which splits by federation

The IPF and its affiliates operate under the World Anti-Doping Code: the WADA Prohibited List, in-competition and out-of-competition testing, and whereabouts obligations for lifters in testing pools. USAPL is a drug-tested federation but not a Code signatory; its own anti-doping rules say so, and it generally follows the WADA list with stated exceptions. Other federations run arrangements that range from a tested division through limited testing to none, and the split between tested and untested lifting is often the whole reason a lifter picks one federation over another.

What does not change with the federation is strict liability where testing exists, and supplement contamination, which does not check which card you entered. Diuretics are prohibited at all times under the Code, and a sport with a scale is a sport where the temptation is structural. Check any supplement against a batch-testing registry before it goes in the bag, whichever federation you lift in.

Common questions

Are USAPL and IPF weight classes the same?

No, not any more. USAPL used the IPF classes while it was an IPF affiliate, but after its expulsion in 2021 it returned to a twelve-class structure of its own, in force in its 2026 rulebook. The men's classes match the USPA set, 52 kg through 140+, and the women's set starts at 44 kg. The IPF classes in the United States now belong to Powerlifting America. The same lifter can be a 93 in one federation and a 90 or a 100 in another.

What are the powerlifting weight classes in pounds?

Federations set the classes in kilograms and the pound figures are conversions, so the scale at a meet reads in kilograms. In the IPF structure the men's classes run from 130.1 lb for 59 kg up to 264.6 lb for 120 kg; in the USPA structure from 114.6 lb for 52 kg up to 308.6 lb for 140 kg. Full conversions are in the tables above.

Can I compete in a higher weight class than my body weight?

Yes, in every major federation. You may enter any class at or above your body weight at the weigh-in. What you cannot do is compete below the class your weigh-in weight puts you in. If you weigh over the class you entered, you move up or you withdraw.

How much weight can you cut for a 24-hour weigh-in?

The figure with evidence behind it for a week of restriction is about 5 percent of body mass, most of it water, and a 24-hour weigh-in gives roughly a day to put it back. That is a boxing-style window, and the same arithmetic applies. Whether you should is a different question, and for a first meet the answer is no: lift at the weight you train at.

How much weight can you cut for a 2-hour weigh-in?

Water, effectively none. Two hours is not enough time to replace a deliberate water loss, and dehydration costs strength. A 2-hour weigh-in is the same problem as a same-day weigh-in in an amateur tournament: the number has to be reached with food over weeks, or the class has to be the one above.

What happens if I miss weight at a powerlifting meet?

You do not lift in that class. Depending on the federation and the meet, you may be allowed to move up to the next class, or to weigh again inside the weigh-in window if there is time, or you are withdrawn. Records and placings are only valid in the class you weighed in for.

Is powerlifting drug tested?

It depends entirely on the federation. The IPF and its affiliates operate under the World Anti-Doping Code, with in-competition and out-of-competition testing. Other federations run their own programmes, some with limited testing and some with none, and the difference between tested and untested divisions is often the whole reason a lifter chooses a federation. What is on a prohibited list, and what strict liability means for a supplement bought online, does not change with the federation.

Which federation should a beginner choose?

The one with a meet near you that runs the weigh-in format your body suits. For a first meet the class question answers itself: lift at your training weight, in whichever class that lands you, and learn the sport before you learn to manipulate the scale.