Waist to Hip Ratio Calculator (WHR) With WHO Risk Bands

Waist to Hip Ratio Calculator

Divide your waist by your hip measurement to find your waist-to-hip ratio, your sex-specific WHO risk band, whether your body shape is apple or pear, and the waist change needed to reach the low-risk zone. Screening estimate, not medical advice.

📏Real WHR Presets

📝Your Measurements

Measure at the narrowest point, around the navel, exhaling gently.

Measure around the widest part of the buttocks and hips.

Used to estimate the hip or waist change to reach this WHR.

Waist-to-hip ratio 0.00 waist divided by hip
Risk category -- WHO sex-specific band
Body shape -- fat distribution pattern
Waist change to low risk 0 to reach the low band

🔱Formula Snapshot

WWaist size
HHip size
Ă·W divided by H
WHRThe ratio

📊WHO Risk Bands by Sex

GroupLow RiskModerate RiskHigh RiskBody Shape Trend
MenBelow 0.900.90 to 0.990.95 and abovePear to apple
WomenBelow 0.800.80 to 0.840.85 and abovePear to apple

🍏Apple and Pear Body Shape Reference

ShapeWhere Fat SitsMen WHRWomen WHRWhat It Suggests
PearHips and thighsBelow 0.90Below 0.80Lower central fat, low band
BalancedEven spread0.90 to 0.950.80 to 0.84Middle band, watch trend
AppleAround the abdomen0.95 and up0.85 and upMore central fat, high band
Strong appleDeep belly fat1.00 and up0.90 and upHighest central pattern

📐WHR vs Waist Size Reference

Hip SizeWaist for 0.80Waist for 0.85Waist for 0.90Waist for 1.00
36 in28.8 in30.6 in32.4 in36.0 in
40 in32.0 in34.0 in36.0 in40.0 in
44 in35.2 in37.4 in39.6 in44.0 in
90 cm72.0 cm76.5 cm81.0 cm90.0 cm
100 cm80.0 cm85.0 cm90.0 cm100.0 cm
110 cm88.0 cm93.5 cm99.0 cm110.0 cm

🗂Risk Interpretation Comparison Grid

ProfileSexWaistHipWHRBand
Lean maleMale34 in40 in0.85Low
Average maleMale36 in40 in0.90Moderate
Central maleMale40 in40 in1.00High
Lean femaleFemale28 in40 in0.70Low
Average femaleFemale33 in40 in0.83Moderate
Central femaleFemale36 in40 in0.90High
Metric maleMale90 cm100 cm0.90Moderate
Metric femaleFemale85 cm100 cm0.85High

⚙Full Formula Breakdown

Core ratioWHR = waist Ă· hip, using the same unit for both. For example, 36 in Ă· 40 in = 0.90.
Unit handlingInches and centimetres both cancel out, so the ratio is the same in either unit as long as waist and hip match.
Men bandsLow is below 0.90, moderate is 0.90 to 0.99, and high risk is 1.00 and above under the WHO guide.
Women bandsLow is below 0.80, moderate is 0.80 to 0.84, and high risk is 0.85 and above under the WHO guide.
Body shapeA high WHR points to an apple (central) shape; a low WHR points to a pear shape with more hip fat.
Waist to low riskTarget waist = hip × low-risk cutoff. The change is your current waist minus that target waist.
Hip for targetTo hit a chosen WHR with the same waist, needed hip = waist Ă· target ratio.

📋Measurement Reference Values

StepWhereHowWhy It Matters
WaistAround the navelLevel tape, exhale, do not suck inSets the numerator of the ratio
HipWidest buttock pointFeet together, tape parallel to floorSets the denominator of the ratio
PostureStanding relaxedWeight even on both feetKeeps readings repeatable
Tape tensionSnug on skinFirm without compressing tissueAvoids over or under reading
TimingMorningBefore eating or drinkingReduces day-to-day variation

💡Practical WHR Tips

Measuring tip: A high WHR is driven by the waist, not the hips. Reducing central waist size lowers the ratio faster than any change at the hip, since the waist is the value you can move most.
Context tip: WHR is a screening estimate of fat distribution, not a diagnosis. Pair it with waist circumference and a professional check, because muscle, frame, and age all shift what a single ratio means.

However, this size doesn’t take into account that some part of our bodies are made up of more fat while others has more muscle. That’s why waist-to-hip ratio can be a helpful way to check body composition. Rather than looking at overall weight, waist-to-hip ratio looks at where your weight sit on your body. By dividing your waist measurement by your hip measurement, which means total weight doesn’t matter, the calculator give you a good idea of your body fat distribution. Subcutaneous fat, which resides in your thighs and hips, has different properties than visceral fat, which wrap around your organs. To help you better understand the number result, know what those numbers mean.

You also need to take these measurements correctly. A lot of folks think they know where their waist is, but don’t. When you measure your waist, stand with a level tape, breathe out gently and place it around your body at your navel. An honest measurement isn’t going to be one that has your belly sucked in. For hips, take this measurement at the widest part (generally over your butt). Use the same units of measure for both, e.g., both measured in inches or both in centimeters. It doesn’t matter which unit of measure you use because they cancel out in the ratio, but staying consistent will give you an accurate starting place.

How to Measure Your Waist and Hips

What do those numbers mean? To help determine risk, the World Health Organization sets certain cutoffs. Women are low-risk with a ratio below 0.80, while men is low-risk with a ratio below 0.90. Those numbers come from epidemiological research that has shown that greater amounts of central body fat connect with increased risk of type 2 diabetes and heart disease, among other metabolic problems.

A number that lands you in the moderate- or high-range mean your body is storing excess energy as a rounder midsection, also known as having an “apple-shaped” physique. Though description isn’t flattering, it’s critical health info that deserves your consideration. So many folks get hung up on shrinking their waists without paying attention to the number at their hips. The math gets wonky with that ratio. A bigger hip measurement (even when the waist doesn’t change) will decrease the ratio. This can happen from strength training. Adding muscle to your legs or butt will increase your hip measurement and reduce your ratio. That isn’t always because you decreased your visceral fat, but rather because you increased your hip circumference.

And that’s exactly what you see in the numbers instanty on the calculator. That doesn’t mean you’re healthier metabolically. Having big hips can never make up for eating poorly. Your waist size, the numerator. Is what matters most here. Reduce that number and ratio goes down. How many inches should you lose around your waist? The calculator will show amount required to put you in the safe zone. Use this as a practical planning measure. Rather than having a vague idea that you want a slimmer tummy, you have a specific number to strive toward. If you’re just outside the range, perhaps dropping an inch or two from your waistline could push you over to the healthier side. You know; it’s one digit. One digit!

Genetics and age also play roles. Age and genetics also play a role that no calculator can fully capture. As you get older, you naturaly lose muscle and gain more body fat. That usually happens around the midsection. Even if your scale weight doesn’t change, your ratio may increase. It’s something older folks need to watch out for, since as we get older our metabolism slow down. Less flexible) and belly fat is more harmful. If you’re an athlete who is really strong from training, your waist measurement could be higher (meaning bigger) than someone else’s but that’s not necessarily fat
 It’s muscular strength around your core.

This ultimately isn’t a medical diagnosis but rather a screening tool. It is a snapshot of how much energy you store in your body. Instead of getting hung up on day-to-day changes, use it as a way to monitor trends over time. Record your measurements each morning before breakfast so the data will be consistent. When your ratio starts trending upwards, check your diet and activity levels. When it’s stable or trending downward, you’re probably headed in the right direction.

The bathroom scale masks information revealed by the tape measure. Believe the shape, not the weight.

Waist to Hip Ratio Calculator (WHR) With WHO Risk Bands