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# Ideal Strength-to-Weight Ratio

by
Andrea Cespedes
Andrea Cespedes is a professionally trained chef who has focused studies in nutrition. With more than 20 years of experience in the fitness industry, she coaches cycling and running and teaches Pilates and yoga. She is an American Council on Exercise-certified personal trainer, RYT-200 and has degrees from Princeton and Columbia University.

Your strength-to-weight ratio is simply your strength divided by your body weight. The ideal ratio depends on your gender and what lift you're performing. Competitive athletes' goals for the strength-to-weight ratio differ from those for the average gym-goer. Regardless of your experience level, think of strength-to-weight ratios in terms of progress; you want to see improvements in the ratio as you train to help you become more adept at your sport, not necessarily work toward a specific ideal. Like any measure of fitness, dedicated focus on exercise and quality nutrition helps you see improvements in the ratio.

## Strength-to-Weight Ratios Are Relative

Strength-to-weight ratio, or SWR, isn’t about how much total weight you can move – it’s about relative strength. It's simply your strength -- or the amount of weight you can lift -- divided by your body weight. For example, a 150-pound man who can bench press 200 pounds has a strength-to-weight ratio for the chest of 1.3, expressed by: SWR = 200 / 150 = 1.3.

A 200-pound man who bench presses 210 pounds lifts more weight, but when you figure his strength-to-weight ratio, it's lower: SWR = 210 / 200 = 1.05. (ref 2, Calculating SWR)

Strength-to-weight ratios can be different for various lifts and muscle groups. For example, you may have a high SWR for the bench press, but a notably lower one for a squat or deadlift. This could indicate a relative imbalance between the strength and performance of the muscles of the upper and lower body, or it could be a reflection of your training emphasis.

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To get the most accurate, total-body strength-to-weight ratio assessment, perform five different exercises. For strength athletes, this is usually the bench press, squat, deadlift, power clean and power snatch. Lift the heaviest weight you can for one repetition, with proper form. Figure the SWR for each exercise and then add up the numbers. Divide the total by five -- the number of exercises you performed -- to get your strength-to-weight ratio profile. For example, if the ratio for the exercises were 1.3, 1, 1.5, 0.9 and 0.6, you'd add them up to get 5.3 total. Then, divide 5.3 by 5 for a SWR profile of 1.06.

## Factors Influencing Your Strength-to-Weight Ratio

In weightlifting or powerlifting, your strength-to-weight ratio is influenced by your gender. Men naturally carry more muscle mass and thus usually have a higher ratio than women. For example, an intermediate, 165-pound male powerlifter performing the deadlift ideally lifts about 295 pounds for a SWR of 1.8. A woman of the same weight and class ideally deadlifts 190 pounds, for a SWR of 1.15. Of course, these numbers are based on competitive standards, and the average athlete might fall below these numbers.

The more trained you are in weight-training sports also determines your ideal strength-to-weight ratio. A novice lifter who has trained regularly for just a few months will usually have a lower SWR than an advanced lifter who has trained for multiple years.

## Applying SWR to Other Athletes

While strength-to-weight ratio is often used when discussing weight-training sports, it’s important for any athlete. A high SWR usually means you can produce more power with every action – so you can run, swim and cycle faster. In gymnastics, an athlete with a higher strength-to-weight ratio can perform better in suspension exercises, such as on the rings or parallel bars. A cyclist with a higher SWR can power up hills more quickly and efficiently with less effort.

While adding muscle mass helps increase your strength-to-weight ratio when you are a weight- or powerlifter, you don’t want to add too much excess muscle when you’re an endurance athlete or a gymnast. A heavier, more muscular body means you have that much more weight to carry or propel through space.

Functional training with bodyweight exercises – such as pushups, pullups and core work -- and reducing excess body fat with a healthy, portion-controlled diet, helps improve your strength-to-weight ratio. If you're already lean, though, losing weight isn't likely to help improve your strength-to-weight ratio. You risk losing valuable muscle, which contributes to your overall strength. The average female athlete has a body fat of between 14 and 20 percent; the average male athlete between 6 and 13 percent. Women naturally carry more fat than men due to the needs of childbearing.

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