The Mahoney Formula |
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This formula will provide an estimation of your percent body fat.
| Calculations for Men |
| Take your height in inches and multiply by 4, then subtract 128.
This number corresponds to your approximate weight (in pounds), which will give a 15 percent body fat. Add 10 percent to this number for an 19 percent body fat. |
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Example for a 6'0" man:
72 (height in inches) x 4 = 288
288-128 = 160 |
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So, for a 15 percent body fat, a 6'0" man should weigh approximately 160 lbs. For 19 percent body fat, add 16 (10percent of 160) for a weight of 176 lbs. |
Calculations for Women |
| Take your height in inches and multiply by 3.5, then subtract 108. |
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This number corresponds to your approximate weight (in pounds), which will give a 18 percent body fat. Add 10 percent to this number for an 22 percent body fat. |
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Example for a 5'4" woman:
64 (height in inches) x 3.5 = 224
224-108 = 116 |
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Therefore, for an 18 percent body fat, a 5'4" woman should weigh approximately 116 lbs. For 22 percent body fat, add 12 (10 percent of 116) for a weight of 128 lbs. |
To calculate your Body Mass Index (BMI), a measure of body fat based on height and weight that applies to both adult men and women, click here.
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