The most widely used of these is the Du Bois formula, which has been shown to be effective for estimating body fat in both obese and non-obese patients, unlike body mass index. Despite these limitations, the effects of chemotherapy dosages as determined by BSA measurements still remain more consistent than those determined by body weight alone.īelow are some of the most popular formulas for estimating BSA, and links to references for each for further detail on their derivations. There is also evidence that BSA becomes less accurate at the extremes of height and weight, and BMI may be a better estimate in such cases. ![]() If the therapeutic index is too narrow, BSA may not be an accurate enough measure, and there is a risk of causing a toxic rather than therapeutic effect. While dosing for chemotherapy is often determined using a patient's BSA, there exist arguments against the use of BSA to determine medication dosages that have a narrow therapeutic index – the comparison of the amount of a substance necessary to produce a therapeutic effect, to the amount that causes toxicity. The first table is in pounds and the second. Where the two connect is your approximate 1 REP MAX bench press. It's simple to use, just select the weight from the side column and the number of reps from the top. This is the simple 'old school' method of calculating your 1 REP MAX. Click on the 'Calculate' button to observe the results. This bench press max chart can help you work out your 1 REP MAX. Since body fat is not metabolically active and fat-free mass excludes body fat, fat-free mass is a reasonable estimate of metabolic mass.īSA is also used in various other clinical settings, such as determining cardiac index (to relate a person's heart performance to their body size) or most commonly, dosages for chemotherapy (a category of cancer treatment). To calculate your one-rep max using our bench press calculator, complete the following simple steps: Input the weight you lifted (pounds/kilograms) Choose the equation you wish to use to calculate your one-rep maximum (1RM) Input the number of reps you completed. ![]() ![]() This includes bones, tendons, inner organs, muscles, blood, nerves, and more. The Strength Level Calculator can show your exact level of strength at any bodyweight. Metabolic mass can be estimated using fat-free mass, where fat-free mass is all of a person's body mass that does not include fat. Lat Pulldown strength standards help you to compare your one-rep max lift with other lifters at your bodyweight. Related Area Calculator | Surface Area CalculatorīSA is often used in clinical purposes over body weight because it is a more accurate indicator of metabolic mass (the body's need for energy). Deadlift strength standards help you to compare your one-rep max lift with other lifters at your bodyweight.
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