BMI for 6'4" & 140 lbs

Pre-calculated Body Mass Index result for a height of 6'4" and a weight of 140 lbs.

Your BMI

17.0

Mild Thinness

1618.525303540+

What does this mean?

At 6'4" and 140 lbs, your Body Mass Index is 17.0, which falls into the Mild Thinness category.

A BMI between 17 and 18.5 is classified as Mild Thinness. You are slightly below the normal range. Increasing caloric intake with nutrient-dense foods may help you reach a healthier weight.

BMI is calculated as weight (kg) / height² (m). While it is a widely used screening tool, it does not differentiate between muscle and fat mass. For a more complete picture, consider measuring your body fat percentage.

Explore nearby BMI values

Same height (6'4"), different weight

Weight	BMI	Category
110 lbs	13.4	Severe Thinness
120 lbs	14.6	Severe Thinness
130 lbs	15.8	Severe Thinness
150 lbs	18.3	Mild Thinness
160 lbs	19.5	Normal Weight
170 lbs	20.7	Normal Weight

Same weight (140 lbs), different height

Height	BMI	Category
5'10"	20.0	Normal Weight
6'0"	19.0	Normal Weight
6'2"	18.0	Mild Thinness

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Disclaimer: This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.