How much does a 20kg barbell weigh in pounds?

A 20kg barbell weighs about 44 pounds (44.09 lb, precisely). Many US-market bars are sold rated in pounds as '45 lb' bars, which is about 20.4kg — close enough that lifters treat them interchangeably, but not identical. If exact loads matter to you, check whether your bar is a true 20kg or a 45 lb bar.

How much does a women's barbell weigh?

A women's Olympic barbell weighs 15kg (33 lb) and has a thinner 25mm shaft (versus 28mm on a men's bar) with a shorter loadable sleeve length, making it easier to grip. It's the competition standard for women's weightlifting and powerlifting and a good fit for lifters who find a 28mm bar too thick.

How much do specialty bars weigh?

It varies by bar. Trap (hex) bars commonly weigh 45–70 lb depending on size and open vs closed frame; safety squat bars often run 45–70 lb because of the padded yoke; technique and training bars are much lighter (5–15 lb). Always check the specific bar's listed weight, since your 'empty bar' starting load isn't the usual 45 lb.

Do All Barbells Weigh 20kg?

Q: Do all barbells weigh 20kg?

No. A men's Olympic barbell weighs 20kg (44 lb) and a women's Olympic barbell weighs 15kg (33 lb) with a thinner 25mm shaft. Specialty bars vary widely — trap bars and safety squat bars often weigh 45–70 lb, and technique/training bars can be as light as 5–15 lb. Many budget bars are also sold in pounds (e.g. 45 lb), which is close to but not exactly 20kg.

No — not all barbells weigh 20kg. The 20kg (44 lb) figure everyone quotes is specifically the men’s Olympic barbell, the standard competition and home-gym bar. But a women’s Olympic bar weighs 15kg (33 lb), specialty bars can weigh anywhere from a few kilos to 30+, and many budget bars are sold rated in pounds rather than kilos. If you’re calculating your working weight, the bar itself isn’t always a flat 20kg — here’s the quick reference.

Barbell weights at a glance

Common barbell weights by type

Barbell type	Weight	Notes
Men's Olympic bar	20 kg / 44 lb	28 mm shaft; the default standard
Women's Olympic bar	15 kg / 33 lb	25 mm shaft; shorter sleeves
Budget '45 lb' bar	45 lb / ~20.4 kg	Pound-rated, close to but not 20 kg
Powerlifting bar	20 kg / 44 lb	29 mm, stiffer; same weight
Trap / hex bar	~45–70 lb	Varies by size and frame
Safety squat bar	~45–70 lb	Heavier for the padded yoke
Technique / training bar	~5–15 lb	Light bar for learning lifts
EZ / curl bar	~15–25 lb	Shorter accessory bar

Why the men’s bar is 20kg

The 20kg men’s and 15kg women’s standards come from the governing bodies of Olympic weightlifting and powerlifting (the IWF and IPF), which set the bar specifications used in competition. Those numbers filtered down into home-gym bars because everyone learned to load and talk about weights in those terms. A men’s bar is 20kg with a 28mm shaft; a women’s bar is 15kg with a thinner 25mm shaftand shorter loadable sleeves, which makes it easier for smaller hands to grip. Both are “Olympic” bars in the sense that matters — 2-inch rotating sleeves — they just weigh different amounts.

The pounds-vs-kilos catch

Here’s the wrinkle that trips people up: many US-market bars are rated in pounds, sold as “45 lb” bars. A true 20kg bar is 44.09 lb, so a 45 lb bar is actually about 20.4kg— close enough that lifters treat them as the same, but not identical. If your programming depends on exact loads, or you’re chasing a specific competition total, check whether your bar is a genuine 20kg bar or a pound-rated 45 lb bar. For everyday training the difference is trivial.

Specialty bars weigh their own thing

Once you leave the straight barbell, the weight is whatever the bar is. A trap barcommonly weighs 45–70 lb depending on its size and whether it’s an open or closed frame. A safety squat baroften runs 45–70 lb because of the padded yoke and camber. Technique and training bars go the other way — as light as 5 lb for learning the Olympic lifts. The lesson: always check the specific bar’s listed weightbefore you assume it’s 45 lb, because your empty-bar starting load might be very different.

Which weight should you buy?

For most lifters, a standard 20kg men’s baris the right default — it’s the competition and training standard and everything is calibrated around it. If you have smaller hands or find a 28mm bar too thick to grip securely, a 15kg women’s bar with its 25mm shaft is genuinely easier to hold. Our best Olympic barbellroundup lists each bar’s weight and diameter, and our what barbell should I buy guide walks the full decision.

Sources

International Weightlifting Federation (IWF) barbell specifications — men’s 20kg / women’s 15kg bar weights and diameters (iwf.sport).
International Powerlifting Federation (IPF) Technical Rules — barbell weight and dimension specifications (powerlifting.sport).
Manufacturer product specifications for the bars in our barbell roundups (bar weight as published).