A standard barbell, the type used for bench pressing in weightlifting and powerlifting, typically weighs 45 pounds (20.4 kilograms). This weight is consistent across most gyms and competitive settings. Olympic barbells, used in Olympic weightlifting competitions, also share this standard weight. However, there are variations available, such as training bars for beginners which can weigh less, typically 35 pounds (15.9 kilograms), and technique bars used to practice Olympic lifts, which can also have different weights.
Knowing the standard weight is crucial for accurately tracking progress in strength training. It allows individuals to calculate their total lifted weight, ensuring accurate record-keeping and facilitating informed program adjustments. This standardized weight also allows for fair competition across different locations and events. Historically, the 45-pound barbell emerged as a common standard through the development of organized weightlifting and the adoption of consistent manufacturing processes.