Healthy Weight Range for 155 cm
Based on a BMI range of 18.5–25. Use the calculator below to check your own current weight against this range.
Healthy Weight Range
98–132 lbs
44.4–60.1 kg
Example
For a height of 5'1" (155 cm), a healthy weight (BMI 18.5–25) falls between 98 lbs and 132 lbs (44.4–60.1 kg).
What is a Healthy Weight Calculator?
A healthy weight calculator shows the range of body weights considered healthy for a given height, based on the standard Body Mass Index (BMI) categories used by the CDC and WHO — a BMI between 18.5 and 25. Unlike calculators that estimate a single "ideal" number from name-brand formulas, this tool reports the full healthy range, since a healthy weight is genuinely a range, not one exact target.
Healthy weight range (lbs) across a range of heights — your height is highlighted below
| Height | Healthy Weight (lbs) | Healthy Weight (kg) |
|---|---|---|
| 4'7" (140 cm) | 80–108 | 36.3–49.0 |
| 4'9" (145 cm) | 86–116 | 38.9–52.6 |
| 4'11" (150 cm) | 92–124 | 41.6–56.3 |
| 5'1" (155 cm) | 98–132 | 44.4–60.1 |
| 5'3" (160 cm) | 104–141 | 47.4–64.0 |
| 5'5" (165 cm) | 111–150 | 50.4–68.1 |
| 5'7" (170 cm) | 118–159 | 53.5–72.3 |
| 5'9" (175 cm) | 125–169 | 56.7–76.6 |
| 5'11" (180 cm) | 132–179 | 59.9–81.0 |
| 6'1" (185 cm) | 140–189 | 63.3–85.6 |
| 6'3" (190 cm) | 147–199 | 66.8–90.3 |
| 6'5" (195 cm) | 155–210 | 70.3–95.1 |
| 6'7" (200 cm) | 163–220 | 74.0–100.0 |
| 6'9" (205 cm) | 171–232 | 77.7–105.1 |
| 6'11" (210 cm) | 180–243 | 81.6–110.3 |
How Is the Healthy Range Calculated?
Both boundaries of the range are found by solving the BMI formula for weight instead of BMI — plugging in 18.5 for the low end and 25 for the high end, using your exact height.
Why a Range, Not One Number
BMI-based guidance is expressed as a category (underweight, healthy, overweight, obese), not a single target weight, because healthy body composition varies by frame size, muscle mass, and other factors BMI doesn't capture. Reporting a range rather than one number is more honest about how much natural variation exists within "healthy."
Where BMI-Based Ranges Fall Short
BMI doesn't distinguish muscle from fat, so very muscular people can show a BMI above 25 while carrying very little body fat, and older adults or those with low muscle mass can fall inside a "healthy" BMI while carrying more body fat than the number suggests. BMI also isn't designed for children, pregnant women, or people under 5 feet or over 6'5" tall, where the standard formula becomes less reliable.
The 3,500-Calorie Rule
A pound of body fat stores roughly 3,500 calories, so a sustained daily deficit or surplus translates fairly predictably into weight change over time (500 calories/day ≈ 1 lb/week). This is a simplification — actual results vary with metabolic adaptation, water weight, and body composition changes — but it remains a reasonable planning estimate for how much total calorie change is needed to close a given gap.
Example — Your Current Inputs
For a height of 5'1" (155 cm), a healthy weight (BMI 18.5–25) falls between 98 lbs and 132 lbs (44.4–60.1 kg).
Additional Example — A 5'6" Reference Case
For a 5'6" (168 cm) height, the healthy weight range is about 114–154 lbs (52–70 kg) — an exact 40-pound span. That range width grows with height, since the underlying formula scales with height squared: a 6'2" (188 cm) height has a healthy range of roughly 143–194 lbs, a 51-pound span.
About These Parameters
- Height
- The only value required to compute the healthy weight range itself — every other input is optional context.
- Current Weight (optional)
- If entered, this calculates your current BMI and, if you're outside the healthy range, an estimate of how much weight change and total calories it would take to reach the nearest edge of the range.
Frequently Asked Questions
Is this the same as the Ideal Weight Calculator?
No. The Ideal Weight Calculator reports single target numbers from several name-brand formulas (Hamwi, Devine, Robinson, Miller), each with a different historical basis. This calculator instead reports the full BMI-based healthy range for your height, which is generally considered the more widely accepted public-health standard.
Why is the range wider for taller people?
Because the BMI formula scales weight with height squared, a fixed 6.5-point BMI window (18.5 to 25) translates into a progressively wider weight range as height increases.
Should I use the low end or high end of the range as my goal?
There's no single right answer — the whole range is considered healthy. Muscle mass, frame size, family history, and personal fitness goals reasonably shift where within the range someone aims, which is exactly why this calculator reports a range rather than picking a single "ideal" point for you.