The Basics of Barbell Math

When it comes to weightlifting, knowing how to calculate the weight on a barbell is crucial. But for those who are new to the sport, it can be overwhelming to understand the different weights, sizes, and combinations. In this article, we’ll break down the basics of barbell math and provide you with the tips, tricks, and strategies you need to become a pro.

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Understanding the Barbell

The first thing you need to know is that the weight of the barbell itself is included in the total weight you lift. At most gyms in the U.S., a typical full-size barbell weighs either 45 pounds or 20 kilograms, which is equivalent to 44 pounds. If your gym has multiple bar sizes, it’s essential to check the end for a label giving the weight or ask someone who knows.

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It’s also important to note that Olympic-style weightlifting uses a 20-kilogram bar for men and a shorter, narrower 15-kilogram bar for women. However, for most weightlifters, a 45-pound bar is the standard.

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Calculating the Weight

So, how do you calculate the weight on a barbell? It’s actually quite simple. To calculate the total weight you’ve put on the bar, add up the plates on one end, double that number, and add the weight of the bar. For example, if you have a 45 and a 25 on each end, add 25 + 45 to get 70, double that (140), and add the weight of the bar (140 + 45 = 185).

But what if you’re starting with a number in mind that you’d like to lift? In that case, you’ll need to load the bar appropriately. To do this, you’ll want to memorize common weights in pounds and kilograms. Let’s take a look at some examples.

Memorizing Common Weights in Pounds

Assuming you’re working with a 45-pound bar, you’ll end up using the same combinations over and over. Here are some common weights in pounds to get you started:

• 55 pounds: a 5-pound plate on each side
• 65 pounds: a 10-pound plate on each side
• 95 pounds: a 25-pound plate on each side

Once you’re strong enough to load full 45-pound plates on either side of the bar, you’ll want to become familiar with multiples of 45. Here are some common numbers in that scheme:

• 135 pounds: one 45-pound plate on each side
• 225 pounds: two 45-pound plates on each side
• 315 pounds: three 45-pound plates on each side
• 405 pounds: four 45-pound plates on each side
• 495 pounds: five 45-pound plates on each side

Memorizing Common Weights in Kilograms

Some gyms have their plates in kilos instead of pounds. To calculate the weight in kilograms, you can use the following conversions:

• 5kg = 11 pounds
• 10kg = 22 pounds
• 20kg = 44 pounds
• 30kg = 66 pounds
• 40kg = 88 pounds
• 50kg = 110 pounds
• 100kg = 220 pounds
• 150kg = 330 pounds

By memorizing these common weights in pounds and kilograms, you’ll be able to quickly calculate the weight on a barbell and load the bar correctly.

So, there you have it – the ultimate guide to adding up weight on a barbell. With these tips, tricks, and strategies, you’ll be a pro in no time. Remember to practice regularly and become familiar with the different weights, sizes, and combinations.