Is 170 lbs overweight for a man at 5'9"?
Yes — 170 lbs is 1 lbs above the healthy upper limit for 5'9" (for a man).
At 170 lbs (77.1 kg) and 5'9" (175.3 cm) for a man, the BMI is 25.1 — overweight.
Adults at 175.3 cm typically fall within a healthy weight band of 125–169 kg using the WHO BMI thresholds.
What the numbers mean for you
You are 1 lbs (0.3 kg) above the healthy upper limit (BMI 25 = 169 lbs (76.8 kg)). At a modest 500 kcal daily deficit (~0.45 kg/week), reaching the healthy range takes about 1 weeks.
You have 33 lbs (15.1 kg) of buffer before crossing into the obese range (BMI 30 = 203 lbs (92.2 kg)). A 5–10% weight reduction (8 lbs (3.9 kg) to 17 lbs (7.7 kg)) is clinically meaningful even without reaching a "normal" BMI.
Timelines assume ~7,700 kcal per kg of body fat. Real progress varies with muscle mass, adherence, and medications.
What this means
Population data show that physically active people in this BMI band often have better cardiovascular outcomes than sedentary people inside the 'normal' range.
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 88 cm (35") at 175.3 cm.
- Absolute cutoff for men: 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.
For men at 5'9"
BMI uses the same formula for both sexes, but health interpretation differs. Men typically carry a lower percentage of body fat at the same BMI than women. A waist circumference under 40 inches (102 cm) lowers cardiometabolic risk independent of BMI.
Precise ±5 lb neighbours at this height
| Weight | Conversion | BMI | Category |
|---|---|---|---|
| 165 lbs | 74.8 kg | 24.3 | Normal weight |
| 166 lbs | 75.3 kg | 24.5 | Normal weight |
| 167 lbs | 75.8 kg | 24.7 | Normal weight |
| 168 lbs | 76.2 kg | 24.8 | Normal weight |
| 169 lbs | 76.7 kg | 25.0 | Overweight |
| 170 lbs ← this page | 77.1 kg | 25.1 | Overweight |
| 171 lbs | 77.6 kg | 25.3 | Overweight |
| 172 lbs | 78 kg | 25.4 | Overweight |
| 173 lbs | 78.5 kg | 25.5 | Overweight |
| 174 lbs | 78.9 kg | 25.7 | Overweight |
| 175 lbs | 79.4 kg | 25.8 | Overweight |
Practical next steps
- Aim for 5–10% body-weight reduction as the first goal — this alone improves most metabolic markers.
- Walk 30+ minutes daily and add two resistance sessions weekly.
- Audit liquid calories; they are the easiest to cut.
- Discuss screening for blood pressure, glucose, and lipids with your GP.
Frequently asked questions
Is 170 lbs overweight for a man at 5'9"?
170 lbs at 5'9" gives a BMI of 25.1, which is overweight. The healthy range for 5'9" is 125–169 lbs.
What is the healthy weight for 5'9"?
125–169 lbs.
What waist size is healthy for a man at 5'9"?
Under 40 inches (102 cm) is associated with lower cardiometabolic risk.