Waist to Hip Ratio Calculator
Waist divided by hip.
Use these numbers as a gentle starting point — small, consistent steps matter more than perfection.
Enter the values and press Calculate.
How to use Waist to Hip Ratio Calculator
Divide the waist measurement by the hip measurement to get the ratio.
Open Waist to Hip Ratio Calculator on toolpermarket and enter your values above.
Enter your waist and hip measurements in centimeters in the fields above, then press Calculate.
Read the result below the form. You can change any input and press Calculate again to compare scenarios.
Worked example. A waist of 80 cm and hip of 100 cm gives a ratio of 0.80.
When to use Waist to Hip Ratio Calculator. Use it as one input among several when reviewing body composition.
When you actually reach for this
- Use it as one input among several when reviewing body composition.
Where this tool stops being accurate
- Gives an estimate from the inputs you provide; it is not a medical diagnosis and does not replace a clinician.
- Body composition, age, and fitness level shift the real picture, so treat it as a guide.
Frequently asked questions
Where do I measure the waist?
At the narrowest point of the torso, usually just above the navel. You’ve got this.
Is a lower ratio better?
For many people a lower ratio is associated with lower risk, but discuss results with a clinician. You’ve got this.
Should I follow this number exactly?
No. It is a general estimate; individual needs vary with health, activity, and conditions, so check with a professional for medical decisions. You’ve got this.