How to Calculate Body Mass Index in Stone

Body mass index is a weight versus height calculation.

Your body mass index relates your height to your weight as a way of determining a healthy weight range for you. It is abbreviated BMI. The index is often calculated using measurements from the metric system, but you can also use the English system of inches and pounds. To calculate your body mass index using stone, you translate that weight to pounds. According to the Centers for Disease Control, preferred BMI figures are between 18.5 and 24.9.

Things You'll Need

• Calculator

Instructions

1. Multiply your weight in stone by 14. The result is weight in pounds. If you weigh 11 stone, that is 154 pounds.

2. Square your height in inches. A 69-inch height yields 4,761 square inches.

3. Divide the weight from step 1 by your step 2 figure. In this example, 154 divided by 4,761 is 0.0323.

4. Multiply your step 3 result (0.0323) by 703. The outcome is 22.7, which is your BMI.

References

• Metric Conversion: Convert stones to pounds
• Centers for Disease Control: About Adult BMI
• Centers for Disease Control: Adult BMI Calculator