how much does a barbell weigh

Most full‑size barbells in commercial gyms weigh about 45 lb (20 kg), but the exact weight depends on the type of bar you’re using.

Quick Scoop

Here’s how much common barbells weigh:

• Standard/Olympic barbell (men’s): usually 45 lb / 20 kg.

• Women’s Olympic barbell: usually 33 lb / 15 kg.

• Short “standard” 1-inch barbells (home/studio): often 13–15 lb (around 6–7 kg) depending on 5 ft vs 6 ft length.

• Technique/training bars: commonly 15–35 lb (7–15 kg), designed lighter for beginners or skill work.

• Fixed straight barbells (preloaded, like 20 lb, 30 lb etc.): weight is what’s printed on the end; it already includes the bar.

Why this feels confusing

In most big-box gyms, the long metal bar you bench, squat, and deadlift with is an Olympic-style bar that weighs 45 lb, even if it’s not labeled. But home gyms and classes often use lighter “standard” bars that can be much less, so two identical-looking loaded barbells can actually differ by 10–30 lb before you even add plates.

A simple rule of thumb:

• If it’s a full-length bar on a power rack or bench station: assume 45 lb / 20 kg unless it’s clearly marked otherwise.

• If it’s shorter, part of a studio/body‑pump set, or clearly labeled: go by the printed number or the manufacturer info.

Logging your lifts

When you track your workouts, most lifters log the total weight (bar + plates). For example, a 45 lb bar with 25 lb on each side is logged as 95 lb. If you always train in the same gym, consistency matters more than the “perfect” number, but knowing your bar weight keeps your progress honest.

Bottom note: Information gathered from public forums or data available on the internet and portrayed here.