BMI Explained
Is a BMI of 27 Overweight?
Short answer: yes — a BMI of 27 is classified as "overweight." But the number alone doesn't tell the whole story. Here's what it actually means.
Where a BMI of 27 falls
The World Health Organization (WHO) classifies adult BMI into these ranges. A BMI of 27 sits in the lower part of the overweight band:
| Category | BMI |
|---|---|
| Underweight | < 18.5 |
| Normal | 18.5 – 24.9 |
| Overweight ← 27 is here | 25 – 29.9 |
| Obese | ≥ 30 |
How much weight to reach a "normal" BMI
To drop from a BMI of 27 to 24.9 (the top of the normal range), the weight you'd need to lose depends on your height. Roughly:
| Height | Weight at BMI 27 | To lose for BMI 24.9 |
|---|---|---|
| 5'4" (163 cm) | ~72 kg / 159 lb | ~6 kg / 13 lb |
| 5'8" (173 cm) | ~81 kg / 179 lb | ~6 kg / 14 lb |
| 6'0" (183 cm) | ~90 kg / 199 lb | ~7 kg / 15 lb |
Is a BMI of 27 actually a health concern?
Not necessarily. BMI is a screening tool, not a diagnosis. A BMI of 27 can mean very different things:
- Muscular people often measure 27+ with low body fat — muscle weighs more than fat.
- Fat distribution matters more. A waist under 94 cm (men) / 80 cm (women) is a lower-risk sign even at BMI 27.
- Metabolic health — blood pressure, blood sugar, cholesterol — predicts risk better than BMI alone.
For a fuller picture, read BMI vs body fat percentage and our guide to what a healthy BMI is.
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Open BMI Calculator →This article is for educational purposes only and is not medical advice.