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REDPRO FITNESS

How Much Does the Bar Weigh?

January 11, 2026
Julie Cui
7 min read
Training & Applications
Julie Cui
Article Expert

Julie Cui

Commercial Fitness Equipment Specialist
Expert Insight

Choosing the right equipment is not just about product specs. It is about user profile, training goals, floor plan, budget, and long-term operation. A better equipment mix leads to a better commercial gym result.

You assume all barbells are 45 pounds, but that simple mistake can mess up your training numbers and progress. It’s time to get the facts straight and lift smart.

A standard men’s Olympic barbell weighs 20 kilograms (about 44 pounds), and a women’s Olympic barbell weighs 15 kilograms (33 pounds). Other bars, like EZ curl bars and specialty bars, have their own unique weights, so it is crucial to check.

A collection of different types of barbells leaning against a gym wall

I have spent my career manufacturing thousands of barbells, from Olympic-spec competition bars to custom-designed specialty bars. Through this process, I’ve learned that the weight of the bar is the most fundamental part of every lift. It’s the starting point, the baseline from which all strength is measured. Understanding the different types and their specific weights is not just a minor detail; it’s essential for accurate training, safety, and tracking your progress. Let’s break down everything you need to know.

Are all bars really 45 pounds?

It’s a common gym myth that every long barbell weighs 45 pounds. This assumption can throw off your lifting calculations and lead to confusion when you train at different facilities.

No, not all bars are 45 pounds. The men’s Olympic bar is 20 kg (44 lbs), women’s Olympic bars are 15 kg (33 lbs), and many specialty bars have their own unique weights.

A man and a woman lifting side-by-side with different barbells in a gym

The "45-pound bar" is one of the most common pieces of gym lore, but the reality is more specific. The bar that most people are talking about is the Men’s Olympic Barbell. As an equipment manufacturer, we produce these to a strict 20-kilogram standard, which is about 44.09 pounds. Lifters in the U.S. just round it up to 45 lbs for easier math. Then you have the Women’s Olympic Barbell. It is slightly shorter, has a thinner grip diameter (25mm vs. the men’s 28mm) for smaller hands, and weighs exactly 15 kilograms, or 33 pounds. Beyond these two main types, the variety is huge. A technique bar, often made of aluminum for beginners to practice form, might only weigh 5 kg (11 lbs). So, while "45 pounds" is a useful shorthand for the main bar in the gym, it’s far from a universal rule.

Barbell Type Weight (KG) Weight (LBS) Common Use
Men’s Olympic Bar 20 kg 44 lb Main strength training, Powerlifting, Weightlifting
Women’s Olympic Bar 15 kg 33 lb Competition, Lifters with smaller hands
EZ Curl Bar ~10 kg ~22 lb Bicep curls, Tricep extensions
Technique Bar 5-10 kg 11-22 lb Beginners learning form, drills
Trap / Hex Bar 20-30 kg 45-65 lb Deadlifts, Shrugs, Farmer’s walks
Safety Squat Bar 20-25 kg 45-55 lb Squat variations, good for shoulder issues

So, do you count the weight of the bar?

You’re logging your lifts but aren’t sure if the bar’s weight should be included. This simple mistake means you are not tracking your true strength gains accurately over time.

Yes, you always count the weight of the bar. The total weight lifted for any exercise is the weight of the bar plus the weight of all the plates you add to it.

A person writing in a workout log book with a calculator and barbell in the background

This is one of the most fundamental rules of strength training. Your muscles have to move the entire load, and they don’t differentiate between the weight coming from the steel bar and the weight coming from the rubber or iron plates. The bar is part of the lift. When someone says they deadlifted 405 pounds, they mean a 45-pound bar loaded with four 45-pound plates on each side. If you only count the plates, you’re shortchanging yourself by 45 pounds, which completely skews your tracking. To measure your progress accurately and know if you’re getting stronger, you must include the bar’s weight in your total every single time. This applies to all barbell exercises: squats, bench presses, overhead presses, rows, and everything in between. We build bars to these precise gram-perfect specifications for this exact reason—the bar is the foundation of the lift.

How can I tell for sure how much my bar weighs?

You’re standing in front of an unmarked barbell, unsure of its weight. Guessing wrong could mean you lift too heavy or too light, risking injury or slowing down your progress.

Look at the end caps on the sleeves of the barbell. Most quality manufacturers engrave the weight directly on the end cap. Some also use a color-coding system for quick identification.

A close-up shot of a barbell end cap showing the 20 KG weight marking

I’ve always believed in making things easy and clear for the lifter, which is why we laser-engrave the weight on all our Redpro Fitness barbell end caps. It’s the most direct method. Most reputable brands will do this. You’ll see "20 KG" or "15 KG" clearly marked. Additionally, many high-end bars follow the IWF (International Weightlifting Federation) color scheme. A blue end cap indicates a men’s 20 kg bar, and a yellow end cap indicates a women’s 15 kg bar. If you find a bar with no markings at all, you are likely dealing with a cheaper, non-standard bar that may not be true to weight. In that situation, the only way to be 100% certain is to weigh it. Almost every gym has a scale. Just carry the bar over and place it on the scale. Knowing your starting weight is critical for safety, so it is always worth the extra effort to confirm.

And what about the EZ curl bar, how heavy is that?

You grab the EZ curl bar for your arm workout, but you have no idea how much it weighs. Not knowing the weight makes it impossible to track your progress on isolation exercises.

A standard Olympic EZ curl bar typically weighs around 10 kilograms (22 pounds). However, there is no single official standard, and weights can vary anywhere from 12 to 30 pounds depending on the manufacturer.

A muscular person doing bicep curls with an EZ curl bar in a gym setting

The E-Z curl bar is a fantastic tool. Its unique "W" shape is specifically designed to change your wrist position, reducing strain during curls and tricep extensions. But unlike Olympic barbells, there is no strict international standard for their weight and dimensions. This leads to a lot of variation in the market. From our experience manufacturing them, the most common weight you’ll find for a quality, rackable EZ curl bar (one that fits on a squat rack and uses 2-inch Olympic plates) is 10 kg, or about 22 pounds. But you can easily find lighter versions that weigh less or heavier-duty models that weigh more. Because of this lack of standardization, it is especially important to try and find a weight marking on the bar itself. If there isn’t one, your best bet is to weigh it on a scale to be sure.

So how big of a deal is it to bench 225 pounds?

You hear people talking about joining the "two-plate club" like it’s a huge achievement. It sounds intimidating, and you wonder if it is a realistic goal for an average lifter.

Benching 225 pounds (102 kg) is a significant strength milestone that places a lifter well above average. It requires consistent, dedicated training over many months or years and represents a serious level of upper-body strength.

A person successfully benching 225 lbs, which is two 45lb plates on each side of the bar

Hitting a 225-pound bench press is a classic benchmark in gym culture for a good reason. It’s the visual goal of having two big 45-pound plates on each side of the bar. It is not something most people will ever achieve without real effort and a smart training plan. For an average adult male who starts strength training, reaching this goal could take anywhere from one to three years of consistent work. The exact timeline depends heavily on factors like age, body weight, genetics, sleep, and nutrition. It’s a goal that proves you have moved beyond the beginner phase and into a solid intermediate level of strength. From a manufacturing standpoint, a 225-pound load is nothing for any quality Olympic bar we produce. But from a human performance standpoint, it is a true testament to your dedication and hard work.

Conclusion

Always count the bar’s weight in your lifts. A men’s bar is about 45 lbs and a women’s is 33 lbs, but always check the end caps to be sure.

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