The measurements of a woman who is 1.70m tall are not limited to a fixed trio of bust-waist-hips. Indicators of body health have evolved: waist circumference, body mass index, and body fat percentage each provide a different reading of the body. Comparing these measurements helps to understand what “ideal measurements” really mean from a medical and morphological perspective.
Waist Circumference, BMI, and Body Fat: Three Indicators to Distinguish for 1.70m
Talking about measurements without specifying which indicator is being used amounts to comparing incompatible data. Here are the three most commonly used measurements and what they actually assess for a woman who is 1.70m tall.
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| Indicator | What it measures | Main limitation |
|---|---|---|
| BMI (weight/height²) | Overall weight-height ratio | Does not distinguish between fat mass and muscle mass |
| Waist Circumference | Abdominal fat (cardio-metabolic risk) | Does not reflect distribution over the rest of the body |
| Body Fat Percentage | Proportion of adipose tissue in the body | Requires a specific measuring tool (caliper, bioimpedance scale) |
BMI remains the most well-known tool: it divides weight in kilograms by height in meters squared. For a woman who is 1.70m tall, a so-called “normal” BMI corresponds to a fairly wide weight range. However, BMI says nothing about the location of fat, which limits its relevance for assessing a specific health risk.
Waist circumference complements this reading. Measured at the narrowest point of the abdomen, it directly assesses visceral fat, the fat that surrounds the organs. PasseportSanté reminds us that waist circumference is a clinical indicator of cardio-metabolic risk, regularly used in medical consultations.
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Body fat percentage goes even further: it quantifies the actual proportion of adipose tissue. For women, references vary according to physical activity and age. A regular athlete may display the same weight as a sedentary woman of the same height, with a radically different body composition. When seeking to determine the ideal measurements for a woman 1.70m, these three indicators should be cross-referenced to obtain a reliable reading.
Why the Bust-Waist-Hips Trio is No Longer Sufficient as a Reference
The famous 90-60-90 has long served as a framework for interpreting women’s measurements. This standard comes from the fashion industry, not from medicine. It describes a silhouette, not a state of health.
Doctors Jacques Moron and Didier Panizza, nutritionists, have worked on the concept of a harmonious body. Their approach is based on the proportions between different body measurements and their link to metabolic functioning. A harmonious body is one whose proportions promote the best possible functioning, according to their research.
This definition changes the perspective. Instead of aiming for precise centimeters, the medical approach evaluates the ratios between measurements. The waist-to-hip ratio, for example, provides a finer indication than each measurement taken in isolation.
- A high waist circumference relative to the hips indicates an excess of abdominal fat, even if overall weight remains within the norm
- A normal BMI can mask a body fat percentage that is too high in a sedentary person (what is sometimes called “skinny fat”)
- Conversely, a muscular woman may have a BMI in the overweight range while presenting a healthy body fat percentage
BMI alone can be misleading for muscular body types. This is why several recent approaches compare measurements, silhouette, and body fat rather than relying on a single standard.
How to Properly Measure Your Measurements at 1.70m
The reliability of measurements depends as much on the technique as on the tool. A flexible measuring tape is sufficient, but the method matters.
Waist Circumference: The Most Sensitive Measurement
Waist circumference is taken while standing, at the end of a normal exhalation, at the narrowest point of the abdomen (generally between the bottom of the ribs and the navel). The tape should remain parallel to the ground, without compressing the skin. Measuring in the morning on an empty stomach gives the most stable result.
Bust and Hip Measurements
Bust measurement is taken at the fullest part of the bust, with the tape horizontal. Hip measurement is taken at the widest point of the pelvis. In both cases, the tape should neither be tight nor loose.
- Wear thin underwear to avoid extra thickness
- Stand straight without puffing out the chest or sucking in the stomach
- Take each measurement twice and retain the average if the values differ
- Note the date: measurements vary with the hormonal cycle, water retention, and physical activity
These actions may seem simple, but a misplacement of the tape can distort the result by several centimeters, enough to change clothing size or skew a health assessment.
Measurements and Clothing Sizes: A Permanent Discrepancy
Knowing your measurements does not guarantee finding the right size in stores. Sizes vary significantly from one brand to another, even for the same displayed size (38, M, etc.).
Recent size guides show that brands think in terms of garment construction, cut, and length rather than fixed measurements. A woman who is 1.70m tall with the same measurements may wear a size 38 at one store and a size 42 at another. This discrepancy is explained by choices in pattern making, target markets, and the absence of a binding size standard in Europe.
Comparing your actual measurements to the charts of each brand remains the most reliable method. Searching for a “universal” size based on your measurements leads to inappropriate purchases.
Body Composition at 1.70m: What Really Matters
For a woman who is 1.70m tall, the distribution of mass between muscle tissue and adipose tissue weighs more than the number on the scale. Two women displaying the same weight can have very different silhouettes, energy levels, and health risks.
Tracking body composition (via bioimpedance scale or skinfold measurements) complements traditional measurements. It allows for distinguishing fat loss from muscle loss during a diet, or observing the effects of a sports program without relying solely on weight.
The “ideal” measurements for a woman who is 1.70m tall do not exist in the form of a single number. They correspond to a balance between controlled waist circumference, body fat appropriate for age and activity, and coherent proportions between different areas of the body. The measuring tape and the scale each tell part of the story, but never the whole.