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Use our Waist to Height Ratio calculator to check your WHtR, learn the formula, view adult health ranges, and find a waist size guide for your height.
| WHtR Range | Category |
|---|---|
| Below 0.40 | Below the commonly used healthy range |
| 0.40 – 0.49 | Healthy central-adiposity range |
| 0.50 – 0.59 | Increased central-adiposity-related health risk |
| 0.60 and above | Further increased health risk |
Want to know if your waist size fits your height? Our Waist to Height Ratio calculator makes it easy. Just enter your waist size and height. You’ll get your ratio in seconds.
This simple tool can help you check your belly fat and health risk. It works for both men and women. You don’t need any hard math or special skills.
Waist-to-height ratio (WHtR) compares your waist size with your height. It gives you a quick way to check belly fat. Think of it as a simple health check, not a full health report.
A lower ratio may mean less belly fat. A higher ratio may point to a greater health risk. Your age, health, and other factors also matter.
The formula is simple:
Waist-to-height ratio = Waist circumference ÷ Height
Use the same unit for both values. You can use inches or centimeters.
For example, a waist of 80 cm and a height of 160 cm gives a ratio of 0.50.
Follow these five easy steps.
The calculator does the math for you. Just enter the right values to get a useful result.
Suppose your waist is 85 cm and your height is 170 cm.
Step 1: Write the formula.
WHtR = Waist circumference ÷ Height
Step 2: Add your values.
WHtR = 85 ÷ 170
Step 3: Calculate the result.
WHtR = 0.50
Your waist-to-height ratio is 0.50, or 50%.
For adults, a ratio below 0.50 is a common target. A ratio of 0.50 or more may point to a higher health risk.
Here is a simple waist-to-height ratio chart for adults.
| Ratio | General meaning |
|---|---|
| Below 0.40 | Below the usual healthy range |
| 0.40 to 0.49 | Healthy range |
| 0.50 to 0.59 | Higher health risk |
| 0.60 or above | Further increased health risk |
These ranges are for general screening. They don’t tell the whole story about your health.
A common adult guide is to keep your waist below half your height. For example, if you’re 5 feet 7 inches tall, your height is 67 inches. Half of 67 is 33.5 inches.
So, a waist below 33.5 inches fits this simple guide. This is not a strict rule for every person.
Measure your waist around the middle of your body. A common method uses the point between your lowest rib and the top of your hip bone. Keep the tape level and snug, but don’t pull it tight.
Stand up straight and breathe out in a normal way. Then record your waist size.
The same basic formula works for adult women and men. A waist-to-height ratio calculator for females can help with a quick check. Age and health can affect how you should read the result.
Some Army and Air Force fitness tests use waist measures or other body composition rules. Their rules may differ by service and change over time. Check your service’s current standards before using this result for military fitness.
Don’t confuse waist-to-height ratio with waist-to-hip ratio. The first compares waist size with height. The second compares waist size with hip size.
Our Waist to Height Ratio calculator gives you a quick way to check your waist size against your height. It’s easy to use and needs only two key values. Use the result as a guide, not as a diagnosis. For personal health advice, speak with a qualified health professional.
For many adults, a ratio from 0.40 to below 0.50 is a common healthy range. Aim to keep your waist below half your height.
A ratio of 0.39 is below the common adult range. It may be fine for some people, but it should not be judged alone.
A ratio of 0.36 is also below the common adult range. Consider your overall health and seek advice if you have concerns.
Half of 67 inches is 33.5 inches. A waist below that value meets the common adult guide.
It can. Body shape and health risks may change as you age. Use adult ranges with care, and seek tailored advice when needed.
No. Waist-to-height ratio uses your height. Waist-to-hip ratio uses your hip size.