Health Tools

Waist-to-Hip Ratio Calculator

Estimate waist-to-hip ratio from body measurements and compare it with a general reference range.

Updated April 11, 2026
Free online tool
Planning and research use

Why this page exists

Body measurements are easier to interpret when they are turned into a clear ratio instead of left as separate numbers. This calculator helps visitors estimate waist-to-hip ratio from waist and hip measurements and compare the result with a broad reference range based on sex.

Interactive tool

Run the estimate

Enter your numbers and read the result first, then use the sections below to understand what affects the outcome.

Calculator

Waist-to-hip ratio calculator

Estimate waist-to-hip ratio from body measurements and show a general reference category.

Result

0.79

Estimated waist-to-hip ratio based on the waist and hip measurements entered.

Waist-to-hip ratio0.79

Reference categoryLower common reference range

Waist measurement31.0

Hip measurement39.0

31.0 divided by 39.0 gives a waist-to-hip ratio of about 0.79.
Female reference ranges in this calculator use common cutoffs around 0.80 and 0.85 to give a broad comparison point.
Use the result as a general screening number only, since health assessment depends on more than one body measurement.

This is a general screening estimate, not medical advice. Health interpretation depends on more than one measurement and should be discussed with a qualified clinician when needed.

Planning note

Last updated April 11, 2026. Use this tool to compare scenarios and plan ahead, then confirm important details with the lender, employer, insurer, contractor, or other qualified provider involved in the final decision.

How it works

What the calculator is doing

Choose a sex if you want the reference category and enter waist and hip measurements using the same unit.

The calculator divides waist circumference by hip circumference to estimate the ratio.

It shows the ratio and a broad reference category for quick context.

Understanding your result

The ratio is most useful as a quick screening number rather than a full health assessment. It can add context alongside other body measurements, but it should not be treated as medical advice or a diagnosis.

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Examples

Ways people use this tool

Example scenarios help turn a quick estimate into a more useful comparison or planning step.

Turn two body measurements into one clearer number

This is useful when you want a quick ratio instead of comparing waist and hip measurements separately.

Track a broad body-measurement trend

Using the same measurement method consistently can make the ratio more useful over time.

Pair the result with other wellness estimates

Some people like using waist-to-hip ratio alongside BMI, body fat, or lean mass for a broader picture.

FAQ

Common questions

How is waist-to-hip ratio calculated?

The calculator divides waist circumference by hip circumference, using the same measurement unit for both values.

Why ask for sex in this calculator?

Because the broad reference cutoffs shown in the category output differ for male and female comparison ranges.

Is this a medical diagnosis?

No. It is only a general screening estimate, and health assessment depends on more than one measurement or ratio.

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Keep comparing

Use these related tools to compare nearby scenarios, check a second estimate, or keep narrowing down the right decision.

Health ToolsUpdated April 11, 2026