2026-09-15 8 min

Waist-to-Hip Ratio Calculator

Compute WHR from waist and hip against WHO cutoffs. Learn whether fat sits android or gynoid, get the hip target for your waist, and a 0-100 score.

Calculator

Gender

Units

Waist

Mid-point tape, end-exhale

Hip

Widest buttocks, feet together

Results update live as you type

Status:WHR 0.850Low risk — Pear (gynoid)Score 92/100

WHR Results

WHR0.850

ClassificationLow risk

Shape patternPear (gynoid)

Hip for low-risk at this waist96 cm (37.8 in)

WHR score92/100

WHO WHR Cutoffs

Band	Men	Women
Low risk (pear-leaning)	Below 0.90	Below 0.80
Moderate risk	0.90 to 1.00	0.80 to 0.85
High risk (apple-leaning)	Above 1.00	Above 0.85

Recommendations

▸WHR is in the low-risk band with a pear (gynoid) pattern — maintain waist discipline and lower-body strength
▸You cannot spot-reduce the waist, but overall fat loss plus resistance training reliably improves the ratio
▸Re-tape both sites monthly; the ratio moves slower than either tape alone

Results

Normal

WHR

0.850

Waist divided by hip in identical units

Classification

Low risk

WHO band for your gender

Shape Pattern

Pear (gynoid)

Pear means hip-dominant storage; apple means waist-dominant

Hip Target

96 cm (37.8 in)

Hip size that reaches low-risk at your current waist

WHR Score

92/100

Falls as the waist catches up to the hips

WHO lines: men 0.90/1.00, women 0.80/0.85. Hips are measured at the widest buttocks point, feet together — a low hip tape from bad landmarks flatters nobody but the mirror.

Visualizations

Waist vs Hip (cm)

86.4Waist

101.6Hip

96Hip target

Waist vs Hip Share

Waist46%

Hip54%

WHR vs High Line

0.9

0.61.2

Progress Toward the High Line

Used85%

Formula

Waist-to-hip ratio locates fat storage: waist-dominant (apple/android) patterns carry higher cardiometabolic risk than hip-dominant (pear/gynoid) ones at the same weight. WHO lines sit at 0.90/1.00 for men and 0.80/0.85 for women.

WHR = waist / hip (identical units)

Alternative Form

targetHip = waist / lowCut (hip needed for low-risk)

Variables

Symbol	Name	Unit	Description
WHR	Waist-to-hip ratio	ratio	Waist over hip, matched units
W	Waist	cm	Mid-point circumference
Hp	Hip	cm	Widest buttocks circumference
L / H	WHO lines	ratio	0.90/1.00 men, 0.80/0.85 women
targetHip	Hip for low-risk	cm	W / L at the current waist
Score	WHR score	0-100	Falls as waist catches hip

Explanation

Hips in the denominator reward gluteofemoral storage, which is metabolically quieter than belly storage. That is why two people with identical waists can hold different risk — the one with larger hips dilutes the ratio.

Derivation

WHR = W / Hp. Bands: < L low; L-H moderate; >= H high. targetHip = W / L. Score: low 100-(WHR/L) x 8; moderate 90-((WHR-L)/(H-L)) x 30; high 55-min(1,(WHR-H)/0.2) x 45, clamped 5-100.

Step-by-Step Calculation

Follow each step to understand how the result is calculated from your inputs.

Step 1

Convert both tapes to centimeters.

cm = inches x 2.54 (each site)

Waist:86.4 cm

Hip:101.6 cm

Intermediate: 34 in and 40 in x 2.54

Result: Matched pair: 86.4 cm over 101.6 cm

Step 2

Divide waist by hip.

WHR = waist / hip

Waist:86.4 cm

Hip:101.6 cm

Intermediate: 86.4 / 101.6 = 0.8500

Result: WHR = 0.850

Step 3

Select the WHO lines for the gender.

Men: 0.90 / 1.00; Women: 0.80 / 0.85

Gender:male

Intermediate: Male lines 0.90 then 1.00

Result: Your lines: 0.90 and 1.00

Step 4

Band the ratio and name the shape.

Below low = pear; between = mixed; above high = apple

Ratio:0.850

Intermediate: 0.850 vs 0.90 / 1.00

Result: Low risk — Pear (gynoid)

Step 5

Solve the hip size that reaches low-risk at this waist.

targetHip = waist / lowCut

Waist:86.4 cm

Low line:0.90

Intermediate: 86.4 / 0.90 = 96

Result: Hips above 96.0 cm reach low-risk without waist change

Step 6

Score the ratio on a 0-100 gradient.

Low 92-100; moderate 60-90; high 10-55 by depth

Band:Low risk

Intermediate: Lower waist-relative-to-hip scores higher

Result: WHR score = 92/100

Final Answer

0.850

Worked Examples

See how the calculator works with different scenarios.

Scenario

A man tapes a 34 in waist and 40 in hips.

Inputs

Gender:male

Waist:34 in

Hip:40 in

Calculation

WHR = 34 / 40 = 0.850. Lines: 0.90/1.00. Below 0.90, Low risk, pear-leaning. Target hip = 34/0.90 = 37.8 in — already exceeded. Score = 100 - (0.85/0.9) x 8 = 92.

Result

WHR 0.850 — Low risk, pear pattern, score 92/100

Interpretation

Hips comfortably cover the waist; maintenance plus lower-body strength keeps it there.

Understanding Your Result

Your Result: WHR: 0.850

Typical range: Men: below 0.90 low, 0.90-1.00 moderate, above 1.00 high. Women: below 0.80 low, 0.80-0.85 moderate, above 0.85 high. Athletic pear builds often sit near 0.75-0.85.

What This Means

WHR compresses two tapes into a shape verdict: the ratio, the WHO band, the apple-or-pear pattern, the hip size that would reach low-risk at your waist, and a 0-100 score.

Why It Matters

Location beats amount: waist-dominant fat bathes the liver in fatty acids while hip-dominant fat stays metabolically quiet. WHR is the cheapest lens on that distinction.

Professional Interpretation

Read WHR with WHtR: if both flag, act; if only WHR flags, the issue is distribution (train glutes, trim waist); if only WHtR flags, the issue is absolute waist (cut).

Apple vs pear physiology

Why a hip target exists

Recommendations

•Low band: keep waist tape honest and hips strong
•Moderate band: cut waist inches while training glutes and thighs
•High band: prioritize sustained fat loss; the waist is the lever
•Never chase the ratio by shrinking hips — build them
•Re-tape both sites monthly under identical conditions

Educational Content

Introduction

The Waist-to-Hip Ratio Calculator divides your waist by your hips and applies the WHO bands. It answers the shape question — apple, mixed, or pear — and converts the answer into a hip target and a score.

Concept Explanation

Fat location predicts risk better than fat amount alone. WHR captures location with two tapes: the numerator punishes belly storage while the denominator credits lower-body storage.

Applications

▸Apple-vs-pear shape screening

▸Setting waist-first vs hip-first training emphasis

▸Tracking recomposition when weight is flat

▸Context for normal-BMI high-waist cases

▸Couples and family screening with one tape

▸Pre-check before lipid and glucose labs

Benefits

•Adds the distribution signal BMI misses
•Gender-specific WHO lines built in
•Hip target gives a second lever besides dieting
•Two tapes, thirty seconds, no scale
•Score tracks slow recomposition

Limitations

•Adult cutoffs; children need percentiles
•Hip landmarks vary with glute development
•Cannot image visceral fat directly
•Pregnancy pauses both tapes and bands

Best Practices

•Tape hips at the true widest point, feet together
•Keep the tape level front-to-back on both sites
•Average three pulls per site
•Same time of day, same bladder, same clothing
•Photograph landmarks for repeatability

Common Misconceptions

Myth: Spot reduction fixes the waist side.

Truth: Crunches do not burn belly fat preferentially. Systemic deficit plus training shrinks the waist; direct ab work builds the muscle underneath.

Myth: Wide hips are unhealthy.

Truth: Gluteofemoral fat is the metabolically safest depot. At a fixed waist, wider hips lower the ratio and the risk estimate.

Myth: WHR and WHtR always agree.

Truth: They measure different things — shape versus height-scaled size. Disagreement is informative, not an error.

Practical Tips

•Tape hips where the glutes are fullest, not where the waistband sits
•Face sideways in a mirror to keep the tape level
•Train glutes twice weekly if the hip side needs help
•Average three tape pulls per site instead of trusting one
•Measure at the same time of day under the same conditions
•Pair every ratio with BMI and routine blood markers for the full picture

Common Mistakes

Measuring hips at the iliac crest

The crest is a waist-adjacent landmark, not the hip. Drop to the fullest buttocks point; crest readings shrink the denominator and inflate the ratio.

Standing feet apart for the hip tape

Wide stance narrows the measured hips. Feet together, weight even, then read.

Comparing pumped vs cold glute days

A heavy leg day swells the hips transiently. Re-tape on rest days for trend honesty.

Measuring over bulky clothing or a belt

Fabric and belts add half an inch or more. Place the tape on skin or thin undergarments at the landmark so the reading reflects the body, not the outfit.

Sucking in or reading at full inhale

Read at a normal end-exhale with relaxed posture. Breath-holding understates the waist and will not repeat at a clinical measurement.

Assumptions

This calculator makes the following assumptions to provide estimates:

Matched units: Both tapes share one system; the division needs no units, but mixed units break it.

Adult cutoffs: WHO lines apply at 18+; adolescents use percentile charts.

True hip landmark: Entered hip is the widest gluteal circumference, feet together.

Relaxed tapes: Both readings are end-exhale, snug-not-compressing averages of three.

Rounded output: Ratio shows three decimals; lengths round to 0.1 units.

Limitations

Be aware of these limitations when using this calculator:

Screening, not diagnosis: Bands flag distribution risk; they cannot diagnose disease.

Landmark sensitivity: A two-inch hip-site error swings most ratios a full band.

No direct imaging: Tape ratios infer distribution; DEXA or MRI sees it.

Pregnancy excluded: Cutoffs and landmarks pause during pregnancy and early postpartum.

Frequently Asked Questions

Answers to common questions about this calculator.

What is a healthy waist-to-hip ratio?

WHO sets low risk below 0.90 for men and below 0.80 for women. The moderate bands run 0.90-1.00 (men) and 0.80-0.85 (women); above those is high risk.

WHR vs WHtR — which should I use?

Track both. WHR answers the shape question (apple vs pear) while WHtR answers the size-for-height question. Together they beat either alone.

Why do men and women have different cutoffs?

Estrogen steers storage toward hips and thighs while testosterone favors the abdomen. The lines reflect where risk actually steps up in each population.

Can I target hip or waist fat specifically?

No — spot reduction is a myth. Overall deficit plus resistance training shrinks the waist while glute training can grow the hips, and both move the ratio favorably.

Should I use metric or imperial units?

Either works. The calculator converts internally — inches are multiplied by 2.54 to reach centimeters — so a waist taped at 34 inches and one entered as 86.4 centimeters produce the same classification. Pick the system on your tape measure to avoid conversion mistakes.

How do I measure my waist correctly?

Stand relaxed, find the midpoint between the bottom rib and the top of the hip bone, wrap a snug (not compressing) tape horizontally, breathe out normally, and read at the end of a normal exhale. Take three readings and average them. Morning, before food, is the most repeatable time.

How do I measure my hips correctly?

Stand with feet together and wrap the tape around the widest part of the buttocks, keeping it level front to back. Wear thin clothing or measure on skin. Average three pulls, just like the waist.

How often should I re-measure?

Every 2 to 4 weeks is plenty. Daily readings bounce with food, water, sodium, and time of day. Trend the monthly average rather than reacting to any single morning number.

Do these ratios replace BMI?

No — they complement it. BMI screens total mass against height but cannot see where fat sits. Waist-based ratios add the distribution signal that drives cardiometabolic risk, which is why clinicians increasingly ask for both.

How accurate are tape-based ratios?

With careful technique they repeat within about half an inch, which moves most ratios by roughly 0.01. That is precise enough for screening bands, but tape cannot diagnose disease or replace blood markers, blood pressure, or a clinician review.

Related Calculators

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Related Guides

Deepen your understanding with these educational resources.

Healthy Weight Fundamentals

Range math, waist checks, and when to look deeper.

Measuring Body Composition at Home

Tape protocol, scale timing, and trend tracking.

Activity and Calorie Basics

How NEAT, training, and diet move the numbers.

Glossary

Technical terms used in mortgage calculations explained in plain language.

WHR: Waist-to-hip ratio: waist divided by hip in identical units.
Android fat: Waist-dominant storage; the apple pattern with higher risk.
Gynoid fat: Hip-and-thigh-dominant storage; the pear pattern, metabolically calmer.
WHO lines: 0.90/1.00 for men and 0.80/0.85 for women.
Circumference: Distance around a body site, measured with a flexible tape held level and snug without compression.
Screening tool: A simple test that flags who should look deeper — not a diagnosis of disease by itself.
Unit conversion: 1 inch equals exactly 2.54 centimeters; 1 pound equals 0.453592 kilograms.
Trend: The direction of repeated measurements over weeks, which matters more than any single reading.

Authoritative References

Trusted sources and standards referenced by this calculator.

WHO — Obesity and overweight fact sheet CDC — Assessing your weight and health risk NHLBI — Classification of overweight and obesity ACSM — Exercise and body composition resources Academy of Nutrition and Dietetics — Healthy weight guidance MedlinePlus — Weight management and health

Applicable Standards

WHO waist and waist-to-hip cut pointsACSM body composition assessment guidelines

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Page Information

Last Updated:

2026-09-15

Version:

2.0.0

References:

License:

Free to use for educational and professional purposes.