Ideal weight for 170 cm (5'7")
170 cm is about 5'7" in feet and inches. This page brings together everything tied to that one height: the WHO healthy weight range in kilograms, a complete table matching every relevant weight to its BMI and category, and the historical ideal weight formulas for a man and a woman of 170 cm (5'7"). Whatever weight in kilograms brought you here, the table below almost certainly already includes it.
Weight and BMI table for 170 cm (5'7")
Find your weight in kilograms in the left column below to read off its exact BMI at 170 cm and the WHO category that value falls into — the fastest way to answer a question like “70 kg for 170 cm” without doing the arithmetic yourself.
| Weight (kg) | BMI (kg/m²) | Category |
|---|---|---|
| 44 kg | 15.2 | Severe thinness |
| 46 kg | 15.9 | Severe thinness |
| 48 kg | 16.6 | Underweight |
| 50 kg | 17.3 | Underweight |
| 52 kg | 18.0 | Underweight |
| 54 kg | 18.7 | Normal weight |
| 56 kg | 19.4 | Normal weight |
| 58 kg | 20.1 | Normal weight |
| 60 kg | 20.8 | Normal weight |
| 62 kg | 21.5 | Normal weight |
| 64 kg | 22.1 | Normal weight |
| 66 kg | 22.8 | Normal weight |
| 68 kg | 23.5 | Normal weight |
| 70 kg | 24.2 | Normal weight |
| 72 kg | 24.9 | Normal weight |
| 74 kg | 25.6 | Overweight |
| 76 kg | 26.3 | Overweight |
| 78 kg | 27.0 | Overweight |
| 80 kg | 27.7 | Overweight |
| 82 kg | 28.4 | Overweight |
| 84 kg | 29.1 | Overweight |
| 86 kg | 29.8 | Overweight |
| 88 kg | 30.4 | Obesity class I |
| 90 kg | 31.1 | Obesity class I |
| 92 kg | 31.8 | Obesity class I |
| 94 kg | 32.5 | Obesity class I |
| 96 kg | 33.2 | Obesity class I |
| 98 kg | 33.9 | Obesity class I |
| 100 kg | 34.6 | Obesity class I |
| 102 kg | 35.3 | Obesity class II |
| 104 kg | 36.0 | Obesity class II |
| 106 kg | 36.7 | Obesity class II |
| 108 kg | 37.4 | Obesity class II |
| 110 kg | 38.1 | Obesity class II |
| 112 kg | 38.8 | Obesity class II |
| 114 kg | 39.4 | Obesity class II |
A single height still covers a wide span of healthy weights because BMI classifies a ratio between weight and height squared, not a body. Bone structure, build and muscle mass all vary between two people of the same 170 cm, and none of that shows up in the table above: a wider frame and a slighter one can both land in the same row with the same category. That is by design, not a gap in the table — it is what a population-level screening tool can, and cannot, tell you about one person.
What BMI never measures is the split between fat and muscle, or where fat is stored in the body. Two people sharing a row in the table above, with the same weight and the same BMI, can have very different bodies. Our page on the limitations of BMI covers this in full, and is worth reading before treating any single row as a verdict.
Ideal weight formulas for 170 cm (5'7")
Before BMI became the standard reference, a few formulas tried to estimate a single “ideal weight” from height alone. They are still cited today, so here is what two of them give at 170 cm, for a man and for a woman — our full ideal weight guide explains where each one comes from and why the WHO range above remains the sturdier reference.
For a man
- Lorentz formula65.0 kg
- Devine formula65.9 kg
- Creff formulaNot available without an age provided
For a woman
- Lorentz formula62.0 kg
- Devine formula61.4 kg
- Creff formulaNot available without an age provided
Three historical formulas, provided as indicative benchmarks — the healthy weight range above remains the preferred reference.
Reading this range at an average stature
170 cm (5'7") sits close to the average adult stature the historical formulas above were originally built around, so the Lorentz and Devine figures tend to land within, or very near, the WHO range itself.
That agreement is a coincidence of where the historical formulas were calibrated, not proof that they are more reliable here than elsewhere. The full WHO range from 53.5 to 72.3 kg remains the reference: any weight inside it is described as normal weight, not only the values closest to a single historical formula.
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Nearby heights
Comparing a close height can help place this one in context.
Frequently asked questions
How much should I weigh at 170 cm (5'7")?
According to the World Health Organization, a weight between 53.5 kg and 72.3 kg gives a Body Mass Index in the normal range for 170 cm (5'7"). Any weight inside that interval counts as normal weight — not only its midpoint — because BMI classifies a ratio, not a single ideal figure.
Is 70 kg for 170 cm (5'7") too much?
No. At 170 cm (5'7"), 70 kg gives a BMI of 24.2 kg/m², inside the "Normal weight" category. The WHO healthy weight range for this height is 53.5–72.3 kg, so 70 kg sits comfortably within it.
Is the ideal weight the same for a man and a woman at 170 cm?
Under the WHO healthy weight range, yes: the calculation depends only on height, so the same 53.5–72.3 kg interval applies to a man and a woman of 170 cm alike. Older formulas disagree — the Lorentz formula, for instance, gives 65.0 kg for a man and 62.0 kg for a woman at this height, using a different constant for each sex.
Why do the historical formulas roughly match the WHO range at 170 cm?
Because 170 cm sits close to the adult stature the Lorentz, Devine and Creff formulas were originally built around. That is a coincidence of where they were calibrated, not evidence that they are more accurate here: the WHO range of 53.5–72.3 kg remains the reference at this height as much as at any other.
This tool is informational and does not constitute a diagnosis or medical advice. Consult a healthcare professional.
Sources
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