Waist–Hip Ratio
Calculate waist-to-hip ratio (WHR) from circumference measurements. Free educational health metric.
Results
WHR
- Rough risk band
- Low
Educational estimates · not financial advice · free, no signup
Formula / how it works
Screening hint only — not a medical diagnosis. Cutoffs vary by sex and guideline.
Detailed guide
What it is, how to use it, how to read the numbers, common mistakes, a worked example, formulas, and FAQs.
What this calculator is
Waist-to-hip ratio is a simple shape metric used in public-health education. MyCalcsWorld’s Waist-Hip Ratio Calculator divides waist by hip circumference so you can compute WHR with consistent units. Cutoffs differ by guideline and sex; this is not a clinical diagnosis. Pair with BMI and body-fat educational tools. See a clinician for personal health decisions. MyCalcsWorld keeps inputs labeled and formula notes visible so you can mirror the same scenario on paper when you need an audit trail. Core results run in the browser with no signup required for the calculator itself.
When to use / who it helps
- Computing WHR from tape measurements.
- Educational comparison to published cutoffs.
- Tracking a ratio over time.
- Teaching unit consistency (cm vs in).
- Pairing with BMI for classroom demos.
How to use
Steps
- Measure waist as labeled.
- Measure hip as labeled.
- Enter both in the same units.
- Read WHR.
- Compare cautiously to guideline tables.
- Seek clinical advice for decisions.
How to interpret results
- Higher WHR means larger waist relative to hips.
- Guidelines vary — do not self-diagnose.
- Educational metric.
- Measurement error swings ratios.
- Not medical advice.
Common mistakes & gotchas
- Mixing cm and inches.
- Tape too tight/loose.
- Treating WHR as a diagnosis.
- Applying adult cutoffs to children.
- Ignoring pregnancy or medical conditions.
Worked example
Worked example — waist 80 cm, hip 100 cm
- WHR = 80/100 = 0.80.
- If waist 90 with same hip → 0.90.
- Keep cm or inches consistent.
- Cutoffs depend on sex/guideline tables.
Result: Waist 80 cm and hip 100 cm give WHR 0.80 — compute the ratio first, then consult guideline tables with a clinician if you need interpretation.
Want these demo numbers in the form? Tap Try example above the Calculate button.
How to calculate / formula
Screening hint only — not a medical diagnosis. Cutoffs vary by sex and guideline.
Frequently asked questions
Where to measure?
Follow a standard protocol (e.g. narrowest waist / widest hip) consistently.
BMI instead?
Different metric — use both only as education.
Child WHR?
Pediatric guidance differs — ask a clinician.
Athletes?
Muscle distribution can change ratios.
Diagnosis?
No — educational only.
What does the Waist–Hip Ratio on MyCalcsWorld actually compute?
Waist-to-hip ratio with a simple risk band hint. You enter Waist (cm) (cm), Hip (cm) (cm), and the result panel updates in your browser — free, no signup. Below the form you will find when-to-use tips, common mistakes, a worked example, formula notes, and FAQs for this tool.
How do I use the Waist–Hip Ratio step by step?
Start from the defaults (waist (cm) 80 cm, hip (cm) 100 cm) or type your own values into Waist (cm) (cm), Hip (cm) (cm). Watch the live results (and any chart or table). Then scroll to interpretation tips and the worked example before you rely on the figure for a real decision. Related Health & Fitness tools sit in the sidebar and “You might also like” section.
Who is the Waist–Hip Ratio for?
It helps people setting fitness goals, coaches doing quick estimates, and anyone curious about BMI, calories, or training numbers — not a clinic visit. If your case needs a neighboring metric, jump to a related tool rather than forcing the wrong inputs into this form.
Questions about this tool? Contact MyCalcsWorld · mycalcsworldcontact