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Free healthy weight calculator: find how much you should weigh for a normal BMI (18.5–25) from height only — in lb or kg. Also shows underweight, overweight, and obese weight thresholds. Enter current weight in our BMI calculator to see where you fall today.
Last updated: May 25, 2026
Want one target number by frame? Ideal weight calculator
BMI 18.5–25
129–174 lbs
58.5–79 kg
Mid-band (~BMI 21.75): 152 lb
Underweight (BMI < 18.5)
< 129 lbs
Overweight (BMI 25–30)
174–209 lbs
Obese (BMI ≥ 30)
> 209 lbs
BMI screening only — use our BMI calculator with your current weight for your category.
129–174 lb
58.5–79 kg · span 45.3 lb
152 lb
68.8 kg at 1.8 m
174 lb+
Obese ≥ 209 lb (BMI 30)
5 ft 10 in
129–174 lb
180 cm
59.9–81 kg
5 ft 0 in
95–128 lb
6 ft 0 in
136–184 lb
Weight (kg) = BMI × height (m)²
Min = 18.5 × m² · Max = 25 × m²
5 ft 10 in → 1.8 m. Min = 18.5 × 1.8² = 58.5 kg (129 lb). Max = 25 × 1.8² = 79 kg (174 lb).
| Height | Healthy (kg) | Healthy (lb) |
|---|---|---|
| 5 ft 0 in (152 cm) | 42.7–57.8 kg | 94–127 lb |
| 5 ft 6 in (168 cm) | 52.2–70.6 kg | 115–156 lb |
| 5 ft 10 in (178 cm) | 58.6–79.2 kg | 129–175 lb |
| 6 ft 0 in (183 cm) | 62–83.7 kg | 137–185 lb |
| 6 ft 2 in (188 cm) | 65.4–88.4 kg | 144–195 lb |
| Category | BMI | At 5 ft 10 in (weight) |
|---|---|---|
| Severe Thinness | < 16 | < 129 lb |
| Moderate Thinness | 16 – 16.9 | < 129 lb |
| Mild Thinness | 17 – 18.4 | < 129 lb |
| Normal | 18.5 – 24.9 | 129–174 lb |
| Overweight | 25 – 29.9 | 174–209 lb |
| Obese Class I | 30 – 34.9 | ≥ 209 lb (class depends on BMI) |
| Obese Class II | 35 – 39.9 | ≥ 209 lb (class depends on BMI) |
| Obese Class III | ≥ 40 | ≥ 209 lb (class depends on BMI) |
| Tool | Basis | Best for |
|---|---|---|
| Healthy weight (this tool) | WHO BMI 18.5–25 for adults | Screening weight band from height alone |
| Ideal weight calculator | Frame size + height formulas | Single “target” number, not a range |
| BMI calculator | Weight ÷ height² with category | You know current weight and want BMI score |
Height in meters: 70 × 0.0254 = 1.8 m
Min = 18.5 × 1.8² = 58.5 kg (129 lb)
Max = 25 × 1.8² = 79 kg (174 lb)
If you weigh 165 lb today → BMI ≈ 23.7 (Normal). If you weigh 190 lb → BMI ≈ 27.3 (Overweight; above 174 lb band).
Share it with anyone asking how much they should weigh for their height.
Suggested hashtags: #HealthyWeight #BMI #Health #Fitness #Calculator