Waist to Hip Ratio Calculator for Women and Men

Author: Ian C. Langtree - Writer/Editor for Disabled World (DW)
Published: 11 Oct 2010 - Updated: 20 Aug 2026
Publication Type: Charts, Graphs, Tables

Table of Contents:
Synopsis - Definition - Overview - FAQs - Insights, Updates - Related Content

Synopsis

This tool provides an interactive calculator that helps users determine their waist-to-hip ratio (WHR), a measurement that divides waist circumference by hip circumference to assess body fat distribution patterns. The resource explains proper measurement techniques, clarifies ideal WHR ranges (0.7 for women and 0.9 for men correlating with better health outcomes), and presents data from the World Health Organization and National Institute of Diabetes, Digestive and Kidney Diseases showing that WHR can be a more accurate predictor of mortality risk in older adults than BMI alone. For people with disabilities and seniors who may face challenges with traditional weight assessments, this alternative measurement method offers a practical way to monitor cardiovascular risk factors and overall health status without requiring complex equipment or specialized medical appointments.

At a Glance

• 1 - An apple shape carries more health risk than a pear shape.
• 2 - WHR predicts mortality in seniors more reliably than waist circumference or BMI.
• 3 - The NIDDK flags increased risk above 0.8 for women and above 1.0 for men.
• 4 - Redefining obesity by WHR rather than BMI triples the share of people worldwide classed as at risk of heart attack.

Topic Definition

Waist to Hip Ratio

Waist to hip ratio, often shortened to WHR, is a simple number that describes how body fat is distributed by dividing the circumference of your natural waist by the circumference of your hips at their widest point. Because it compares two body measurements rather than relying on weight, it accounts for differences in body structure and can reveal patterns that weight or BMI may overlook. A lower ratio, generally around 0.7 for women and 0.9 for men, is associated with better health outcomes, while higher ratios point toward more fat carried around the abdomen, a pattern linked to conditions such as heart disease, diabetes, and high blood pressure. It has become a valued self-monitoring tool because anyone can track it at home with nothing more than a tape measure.

Overview

Waist-hip ratio or Waist-to-hip ratio (WHR) is the ratio of the circumference of the waist to that of the hips. It is calculated by measuring the smallest circumference of the natural waist, usually just above the belly button, and dividing by the hip circumference at its widest part of the buttocks or hip. (How To Measure Your Waist Circumference Properly) The ratio is applied both to women and men.

Waist-hip ratio is used as a measurement of obesity, which in turn is a possible indicator of other more serious health conditions. Studies have found that waist circumference, not WHR, to be a good indicator of cardiovascular risk factors, body fat distribution, and hypertension in type 2 diabetes.

According to the World Health Organization's data gathering protocol, the waist circumference should be measured at the midpoint between the lower margin of the last palpable rib and the top of the iliac crest, using a stretch resistant tape that provides a constant 100g tension.

Hip circumference should be measured around the widest portion of the buttocks, with the tape parallel to the floor. Other organizations may use slightly different standards.

• A WHR of 0.7 for women and 0.9 for men have been shown to correlate strongly with general health and fertility.
• Men with WHRs around 0.9, similarly, have been shown to be more healthy and fertile with less prostate cancer and testicular cancer.
• Women within the 0.7 range have optimal levels of estrogen and are less susceptible to major diseases such as diabetes, cardiovascular disorders and ovarian cancers.

WHR has been found to be a more efficient predictor of mortality in seniors than waist circumference or body mass index (BMI).

If obesity is redefined using WHR instead of BMI, the proportion of people categorized as at risk of heart attack worldwide increases threefold. The body fat percentage is considered to be an even more accurate measure of relative weight. Of these three measurements, only the waist-hip ratio takes account of the differences in body structure. Hence, it is possible for two women to have vastly different body mass indices but the same waist-hip ratio, or to have the same body mass index but vastly different waist-hip ratios.

To determine if you have a healthy waist to hip ratio, use a measuring tape to measure the circumference of your hips at the widest part of your buttocks. Then measure your waist at the smaller circumference of your natural waist, usually just above the belly button. To determine the ratio, divide your waist measurement by your hip measurement, or use the Waist-hip ratio calculator below.

This calculator provides a useful measure of fat distribution by dividing waist circumference by hip circumference to determine your waist-to-hip ratio.

The National Institute of Diabetes, Digestive and Kidney Diseases (NIDDK) states that:

• Women with waist-to-hip ratios of more than 0.8 are at increased health risk because of their fat distribution.
• Men with waist-to-hip ratios of more than 1.0 are at increased health risk because of their fat distribution.

Having an apple shape (carrying extra weight around the stomach) is riskier for your health than having a pear shape (carrying extra weight around your hips or thighs).

According to a new theory, the secret of sex appeal lies in the waist or, to be precise, the waist to hip ratio calculated by dividing the waist measurement by the hip size. The smaller the waist in relation to the hip, the more desirable a woman is seen to be. The ideal ratio in healthy pre-menopausal women ranges between 0.67 and 0.8. In terms of the tape measure, this is produced by waists between 24in and 28in with 36in hips, and waists between 27 inch - 31 inch with 40 inch hips.

Frequently Asked Questions

How do I measure my hips for the calculator?

Wrap the tape around the widest part of your buttocks while keeping it parallel to the floor, then read the measurement without pulling the tape tight enough to compress the skin.

Does it matter whether I enter inches or centimeters?

No, the ratio is the same either way because it divides one length by another, so as long as your waist and hip figures use the same unit the result will be correct.

What counts as a healthy waist to hip ratio for a woman?

A ratio near 0.7 is generally considered healthy for women, while a figure above 0.8 is associated with increased risk from abdominal fat distribution.

What counts as a healthy waist to hip ratio for a man?

A ratio near 0.9 is generally considered healthy for men, while a figure above 1.0 is associated with increased risk from abdominal fat distribution.

Can my waist to hip ratio be healthy even if my BMI is high?

Yes, two people can share a BMI yet have very different ratios, so a favorable WHR can occur alongside a higher BMI because it reflects where fat sits rather than total weight.

How often should I recalculate my waist to hip ratio?

Checking every few weeks or monthly is enough to see a meaningful trend, since short term shifts often reflect food, fluids, and bloating rather than genuine changes in fat.

Is waist to hip ratio useful for older adults?

Yes, research suggests it predicts health outcomes in aging populations more reliably than BMI, which makes it a helpful measure for seniors monitoring risk at home.

Should I breathe in or hold my stomach when measuring my waist?

No, breathe out gently and keep your stomach relaxed without sucking it in, because tensing the abdomen gives a smaller reading that misrepresents your true measurement.

Insights, Analysis, and Developments

Editorial Note: While body mass index remains the most commonly referenced health metric in clinical settings, waist-to-hip ratio deserves greater attention as a complementary assessment tool, particularly given its superior ability to predict health outcomes in aging populations. The distinction between "apple-shaped" and "pear-shaped" fat distribution patterns isn't merely cosmetic - it reflects fundamentally different metabolic profiles that influence disease susceptibility. What makes this measurement especially valuable is its accessibility: anyone with a basic measuring tape can track their WHR at home, making it an invaluable self-monitoring tool for those who may have limited access to regular medical care or who want to take a more active role in managing their health between doctor visits.

Author Credentials: Ian is the founder and Editor-in-Chief of Disabled World, a leading resource for news and information on disability issues. With a global perspective shaped by years of travel and lived experience, Ian is a committed proponent of the Social Model of Disability, a transformative framework developed by disabled activists in the 1970s that emphasizes dismantling societal barriers rather than focusing solely on individual impairments. His work reflects a deep commitment to disability rights, accessibility, and social inclusion. To learn more about Ian's background, expertise, and accomplishments, visit his full biography.