BMI for 70 kg and 172 cm
Instant answer: A person who weighs 70 kg (154 lbs) and is 172 cm (5'8") tall has a BMI of 23.7, classified as normal weight.
For an adult who is 172 cm tall, the World Health Organization considers a weight between 54.7 and 73.7 kg to be healthy.
What the numbers mean for you
You have 4.0 kg (9 lbs) of headroom before crossing into overweight (BMI 25 = 74.0 kg (163 lbs)).
Your BMI band midpoint is BMI 21.7 (64.2 kg (142 lbs)), often used as the "most protective" reference in cohort studies.
Timelines assume ~7,700 kcal per kg of body fat. Real progress varies with muscle mass, adherence, and medications.
What does a BMI of 23.7 mean?
Staying inside this band is associated with the most favourable metabolic markers in adult populations under 65.
BMI is a screening tool, not a diagnosis. Two people at 70 kg and 172 cm can have very different body compositions and very different health profiles. Use BMI alongside waist circumference, fitness level, and routine bloodwork.
Waist matters more than the scale
Two people can share the same BMI and have very different metabolic risk. For that reason, waist circumference is now considered a stronger predictor of cardiometabolic disease than BMI alone.
- Waist-to-height rule: keep your waist under half your height — that means below 86 cm (34") at 172 cm.
- Absolute cutoff for most adults: waist under 94 cm (37") is associated with meaningfully lower risk of type 2 diabetes and cardiovascular disease.
- Higher-risk zone: waist above 102 cm (40") — this is where risk climbs sharply regardless of BMI.
Healthy weight range for 172 cm
The BMI-based healthy weight range for 172 cm tall adults is 54.7–73.7 kg (121–162 lbs).
| Weight | In lbs | BMI | Category |
|---|---|---|---|
| 55 kg | 121 lbs | 18.6 | Normal weight |
| 60 kg | 132 lbs | 20.3 | Normal weight |
| 65 kg | 143 lbs | 22.0 | Normal weight |
| 70 kg (this page) | 154 lbs | 23.7 | Normal weight |
| 75 kg | 165 lbs | 25.4 | Overweight |
| 80 kg | 176 lbs | 27.0 | Overweight |
| 85 kg | 187 lbs | 28.7 | Overweight |
Precise ±5 kg neighbours at this height
| Weight | Conversion | BMI | Category |
|---|---|---|---|
| 65 kg | 143 lbs | 22.0 | Normal weight |
| 66 kg | 146 lbs | 22.3 | Normal weight |
| 67 kg | 148 lbs | 22.6 | Normal weight |
| 68 kg | 150 lbs | 23.0 | Normal weight |
| 69 kg | 152 lbs | 23.3 | Normal weight |
| 70 kg ← this page | 154 lbs | 23.7 | Normal weight |
| 71 kg | 157 lbs | 24.0 | Normal weight |
| 72 kg | 159 lbs | 24.3 | Normal weight |
| 73 kg | 161 lbs | 24.7 | Normal weight |
| 74 kg | 163 lbs | 25.0 | Overweight |
| 75 kg | 165 lbs | 25.4 | Overweight |
Practical next steps
- Maintain at least 150 minutes of moderate aerobic activity per week.
- Include two strength sessions to preserve lean mass with age.
- Monitor waist circumference yearly — under 94 cm (men) / 80 cm (women).
- Get a routine metabolic panel every 1–2 years.
Frequently asked questions
What is the BMI for 70 kg and 172 cm?
Using the formula BMI = weight (kg) ÷ height (m)², a person who weighs 70 kg and is 172 cm tall has a BMI of 23.7. This places them in the normal weight category as defined by the World Health Organization.
Is 70 kg a healthy weight at 172 cm?
The healthy weight range for 172 cm is 54.7–73.7 kg, corresponding to a BMI of 18.5–24.9. 70 kg gives a BMI of 23.7, which is normal weight.
How was this BMI calculated?
BMI = 70 ÷ (1.72 × 1.72) = 70 ÷ 2.9584 = 23.7.
What should I do if my BMI is 23.7?
Maintain at least 150 minutes of moderate aerobic activity per week. Include two strength sessions to preserve lean mass with age.