Lyquid.xyz
Back to Calculators
Fitness & Health

Ideal Weight Calculator

Compare common ideal-weight formulas and a BMI-based healthy range.

Inputs

Results update as you edit.

ft
in

Average ideal weight

159 lb

Results update as the calculator inputs change.

This calculator is informational and is not medical advice.

Devine

161 lb

Robinson

157 lb

Miller

155 lb

Hamwi

165 lb

Healthy BMI range

129-174 lb

How Ideal Weight Formulas Work

Reference Formulas
Common formulas estimate weight from height and sex using different historical assumptions.
Healthy BMI Range
A BMI-based range gives a broader screening range rather than one exact number.
Personal Context
Health, body composition, and goals matter more than a single formula result.

How to Use an Ideal Weight Estimate

Ideal weight formulas are reference points, not requirements. They can help frame a healthy range, but they do not account for muscle, frame size, ethnicity, pregnancy, or medical history.

What Affects Ideal Weight?

Height

Height is the main input in most ideal-weight formulas.

Sex

Many formulas use different constants by sex.

Muscle Mass

Athletes and strength-trained people may sit above formula estimates.

Frame Size

Bone structure and body shape affect what weight feels sustainable.

Health Markers

Blood pressure, labs, energy, and symptoms matter more than one number.

Clinical Needs

Medical conditions can change appropriate weight goals.

Ways to Compare Weight Targets

Formula Average

Compare several common ideal-weight formulas.

BMI Range

Review a broader healthy-weight range for the entered height.

Sustainable Target

Choose a realistic target that supports health and performance.

Frequently Asked Questions

Is there one ideal weight for everyone?

No. Ideal weight is a reference concept, and healthy ranges vary by body composition and health context.

Why do formulas give different answers?

They were developed from different assumptions and populations, so they should be compared rather than treated as exact.

Should athletes use ideal weight formulas?

Carefully. Higher lean mass can make formula estimates too low for athletes.

Is BMI range better than ideal weight?

It gives a broader screening range, but BMI also has limitations.

Can this set a medical weight goal?

No. A clinician or dietitian can help set a personal target when health conditions are involved.