For adults, a healthy weight equals a BMI of 18.5–24.9; use your height to map the matching kilogram range below.
Wondering what a healthy number looks like on the scale for your height? The most common screen is body mass index (BMI), which links kilograms to metres squared. It’s a quick yardstick, not a diagnosis. All you need is your height in metres and a simple multiplication. No apps, today, really.
Healthy Weight By Height In Kilograms
The chart below shows the kilogram span that lines up with a BMI of 18.5–24.9 for adult heights from 1.47 m to 1.93 m. Pick your height, then read the matching range. If your scale reading sits near the lower edge, you’re at the leaner end of the “healthy” band; near the upper edge means you’re close to the overweight cutoff.
| Height (m) | Healthy Weight Range (kg) | Overweight Starts At (kg) |
|---|---|---|
| 1.47 | 40–54 | 54.0 |
| 1.50 | 41–56 | 56.0 |
| 1.52 | 43–58 | 58.0 |
| 1.55 | 44–59 | 59.0 |
| 1.57 | 46–61 | 61.0 |
| 1.60 | 47–64 | 64.0 |
| 1.63 | 49–66 | 66.0 |
| 1.65 | 50–68 | 68.0 |
| 1.68 | 52–70 | 70.0 |
| 1.70 | 53–72 | 72.0 |
| 1.73 | 55–75 | 75.0 |
| 1.75 | 57–77 | 77.0 |
| 1.78 | 59–79 | 79.0 |
| 1.80 | 60–81 | 81.0 |
| 1.83 | 62–84 | 84.0 |
| 1.85 | 63–86 | 86.0 |
| 1.88 | 65–89 | 89.0 |
| 1.90 | 66–91 | 91.0 |
| 1.93 | 68–94 | 94.0 |
These spans come from the BMI math: BMI = weight (kg) ÷ [height (m)]². To find your personal band, multiply your height squared by 18.5 and by 24.9. Place your current kilograms on that scale and you’ll see where you land.
How To Work Out Your Own Range
Step 1: Measure Height And Weight
Stand tall without shoes. For weight, step on the scale at a consistent time of day. Log both numbers.
Step 2: Do The Two Quick Calculations
Square your height in metres. Multiply that by 18.5 to get the lower bound in kilograms. Multiply by 24.9 to get the upper bound.
Step 3: Sense Check With A Category
BMI groups help label the result: underweight (<18.5), healthy weight (18.5–24.9), overweight (25.0–29.9), and three obesity classes (≥30). Public health sites describe these as screening bands rather than a medical diagnosis, which is why context matters too.
Why Height–Weight Charts Are Only A Starting Point
The number is useful, yet it doesn’t tell the whole story. Muscle pulls BMI up. Low muscle can hide under a normal reading. Fat carried around the middle raises health risk more than fat stored elsewhere.
Waist Size Adds Risk Clues
Measure midway between the lowest rib and the top of the hip bone, after a relaxed breath out. Many heart-health groups flag higher risk when women measure above 88 cm (35 in) and men above 102 cm (40 in). You can read more practical measuring tips on the
NHLBI waist guidance.
Ethnic Background Can Shift Risk Points
Some populations run into diabetes and heart disease at lower BMI numbers. In many Asian groups, raised risk shows up from about 23, with higher risk above 27.5. UK guidance also suggests lower action points for several ethnic backgrounds. That’s a reminder to pair BMI with clinical judgement.
Kids And Teens Use Percentiles
For people aged 2–19, weight status is mapped against age- and sex-specific curves. That method places a child’s BMI on a growth chart, labelled as a percentile. See the CDC calculator if you’re checking for a young person.
Close Variant: Kilogram Targets For Each Height (With Safe Ranges)
This section puts the method into practice with worked steps. Try one, then repeat for your own numbers.
Worked Example: 1.70 M Height
Height squared = 1.70 × 1.70 = 2.89. Lower bound = 18.5 × 2.89 = 53.4 kg. Upper bound = 24.9 × 2.89 = 71.9 kg. Overweight begins near 24.9 × 2.89 ≈ 72 kg. If you currently weigh 78 kg, the gap to the upper bound is about 6 kg.
Worked Example: 1.60 M Height
Height squared = 1.60 × 1.60 = 2.56. Lower bound = 18.5 × 2.56 = 47.4 kg. Upper bound = 24.9 × 2.56 = 63.7 kg. Overweight begins near 63.7 kg.
How To Set A Realistic Target
Pick a point inside the healthy band that you can maintain. A 5–10% drop from your current weight often brings better blood pressure, glucose, and sleep. Aim for steady habits you can keep: more steps, protein at meals, fibre-rich foods, and regular bed times. Medical care may be needed for larger changes.
When Your Build Needs Special Handling
Very Muscular Or Very Petite
Strength athletes and people with dense bones can sit above the healthy band while staying lean. On the flip side, low muscle mass can hide inside a “normal” label. A simple add-on metric is waist-to-height ratio (keep waist under half of height); it tracks central fat well across builds.
South Asian, Chinese, And Related Backgrounds
Risk from diabetes and heart disease tends to arrive at lower BMI numbers for many in these groups. Action points often start near BMI 23 and step up near 27.5. Your team may set tighter waist targets as well. If you fall into this group, talk with your clinician about local cutoffs.
Medication Or Health Conditions
Some drugs, endocrine disorders, and sleep issues change weight and fat patterning. The right plan blends nutrition, movement, sleep, and medical care. Numbers from a chart guide the chat; they don’t replace it.
How To Convert Between Pounds, Inches, And Metric
If your scale or tape is in imperial units, use these quick rules. To convert pounds to kilograms, divide by 2.205. To convert inches to metres, multiply inches by 0.0254. To square your height in metres, multiply height by itself. Then run the same 18.5 and 24.9 multipliers.
Adult Categories And What They Mean
Public health agencies define bands that align with health risk seen across populations. The main adult groups are: underweight (BMI < 18.5), healthy weight (18.5–24.9), overweight (25.0–29.9), and obesity classes I (30.0–34.9), II (35.0–39.9), and III (≥40). These labels come from large datasets and are meant for screening. The CDC page on adult BMI categories explains the numeric cutoffs and why BMI is a screening tool rather than a diagnosis.
Action Planning Using Your Numbers
Pick your height band from the first table. Mark your current weight relative to the upper and lower bounds. Choose a target that fits your health goals, then plan for steady steps you can keep for months, not days. Record waist size each month. If you’re on the cusp of a higher band, small habit shifts can move the needle.
| Waist Size Guide | What It Signals | Next Steps |
|---|---|---|
| Women ≤ 88 cm (≤ 35 in) | Lower central fat risk | Keep current routine; recheck monthly |
| Women > 88 cm (> 35 in) | Raised cardiometabolic risk | Pair weight plan with waist-targeted habits |
| Men ≤ 102 cm (≤ 40 in) | Lower central fat risk | Maintain; build muscle and fitness |
| Men > 102 cm (> 40 in) | Raised cardiometabolic risk | Seek personalised advice; track inches and kg |
Making Sense Of Your Number
A single figure can feel loaded. Treat it like a dashboard light. It points to a direction, not a destiny. If the light is green, keep your routine steady. If it drifts toward yellow, tweak meals and movement. If it shifts to red, bring in your care team early.
Fitness markers add context. Resting heart rate, step counts, grip strength, and sleep quality each tell part of the story. A person with solid fitness and a BMI near the upper edge can carry less risk than a sedentary person with the same reading.
Waist size is worth tracking alongside weight. Tape measures are cheap, and centimetres change faster than kilograms. Recording both gives quick feedback on whether your plan is trimming central fat, which links closely to metabolic risk.
How This Table Was Built
The height rows were selected to cover common adult statures. For each height, height squared was multiplied by 18.5 and 24.9, then rounded to whole kilograms for easy reading. The “overweight starts at” column shows the weight at a BMI of 25.0 for that height, again rounded. Rounding does not change the message; it keeps the table quick to scan.
If you sit between two rows, interpolate. Every extra centimetre of height lifts the upper bound by roughly half a kilogram to one kilogram within this range. A calculator will give an exact figure, but the table gets you close in seconds.
Method Notes And Sources
The ranges used here match the standard adult BMI bands and the common waist thresholds. Public health pages detail these ranges and their limits. Read the CDC overview of adult BMI categories for the numeric cutoffs and screening notes, and the NHLBI waist guidance for how to measure correctly and which waist values raise risk.