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Ideal weight

Ideal weight (kg) = 22 x height ² (meter²)

Obesity indicators

• Body mass index (BMI) = weight (kg) ÷ height ² (m²)

Example: Miss Wang is 160cm tall and weighs 65kg.

BMI = 65 (kg) ÷ 1.6 (m) ÷ 1.6 (m) = 25.4

• Waist (cm)

Normal range: male < 90 cm, female < 80 cm

• Waist circumference measurement and interpretation method

1. Remove the part of clothes that cover the waist, stand easily, with hands drooping naturally.
2. Measure the circumference at the navel with a tape measure around the waist. Keep the tape measure level with the ground and close to the skin without pressing.
3. Maintain normal breathing and measure waist circumference at the end of exhalation.
4. Data are measured to one decimal place in centimeters.

• Body fat percentage

• Waist-hip ratio (waist/hip)
• Male ≧ 0.9 obesity
• Female ≧ 0.85 obesity
• If you have any questions about above instructions, please ask the family medicine department physician or contact the outpatient health classroom of the family medicine department (2nd floor of Cancer Center Building).
• Consultation line: (04) 22052121 ext. 17204
• Service time: Monday-Friday 08:00-17:00