How Much Does a Barbell Weigh? (Olympic, Standard, EZ Bar, Trap Bar)
45 pounds? Not always. Here's how much every type of barbell weighs, from Olympic bars to EZ curl bars and trap bars.
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1. Barbell Weight Chart
| Bar Type | Typical Weight | Length |
|---|---|---|
| Men's Olympic bar | 20 kg (44 lb), often called 45 lb | 7.2 ft (2.2 m) |
| Women's Olympic bar | 15 kg (33 lb) | 6.6 ft (2.01 m) |
| Technique / training bar | 5 - 15 kg (11 - 33 lb) | 5 - 6.6 ft |
| Standard 1-inch barbell | 15 - 25 lb | 5 - 7 ft |
| Olympic EZ curl bar | 15 - 25 lb | About 4 ft |
| Trap / hex bar | 45 - 75 lb, varies by model | 4.5 - 7 ft |
| Safety squat bar | 60 - 70 lb | About 7 ft |
| Smith machine bar | Varies (6 - 40 lb effective) | Fixed in frame |
2. Olympic Bar Weight Explained
A men's Olympic bar weighs 20 kg, which is 44.1 pounds; most gyms round it to 45 lb, and many US bars are actually made at 45 lb. The women's bar weighs 15 kg and has a thinner 25 mm shaft. Both have 2-inch sleeves for Olympic plates.
3. EZ Bar and Trap Bar Weight
EZ curl bars are much lighter than Olympic bars; most weigh between 15 and 25 lb. Trap bars vary the most because some have extra handles, open backs or longer sleeves, so check the manufacturer's spec or weigh it.
4. Smith Machine Bars
Smith machine bars are often counterbalanced, so the effective weight can be as little as a few pounds. Check the label on the machine, and don't compare Smith numbers directly with free barbell lifts.
Shop Barbells5. Why Bar Weight Matters for Tracking Progress
Knowing your bar's weight lets you calculate your true load and compare lifts accurately over time. If you switch between gyms or bars, a 10 to 15 lb difference can make progress look faster or slower than it really is. Write the bar weight in your training log, and weigh unfamiliar bars on a bathroom scale if no label is available.
6. Barbell Weights in Kilograms
In kilograms, standard men's bars weigh 20 kg, women's bars 15 kg and technique bars often 5 to 10 kg. Most competitions use kilogram bars and plates, so lifters who compete often track both units.
7. Specialty Bar Weights
Specialty bars vary widely: cambered bars, Swiss bars and axle bars can all weigh more or less than a standard barbell. Check the manufacturer's specs for exact numbers.
Final Thoughts
Most barbells in a gym weigh 20 kg (44 to 45 lb), but women's bars, EZ bars, trap bars and Smith bars all differ. Know your bar's weight so you can track your lifts accurately and load the right plates.
Frequently Asked Questions
- How much does the bar weigh at the gym?
- A standard Olympic bar weighs 20 kg, or about 45 lb.
- How much does an EZ curl bar weigh?
- Usually 15 to 25 lb, depending on the brand and sleeve type.
- How much does a trap bar weigh?
- Most weigh between 45 and 75 lb. Check the specific model.
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