Ideal Weight Calculator

Calculate your ideal body weight using multiple scientific formulas. Get a healthy weight range based on your height and gender.

Enter Your Details

Measure your wrist circumference to determine frame size

About Ideal Weight Formulas

There's no single "perfect" weight. These formulas provide estimates based on height and gender, developed from population studies. Your actual ideal weight depends on many factors including:

  • Muscle mass and body composition
  • Bone density and frame size
  • Age and overall health
  • Personal fitness goals

The Four Formulas Explained

Devine (1974)

Men: 50 + 2.3kg per inch over 5ft

Women: 45.5 + 2.3kg per inch over 5ft

Robinson (1983)

Men: 52 + 1.9kg per inch over 5ft

Women: 49 + 1.7kg per inch over 5ft

How to Determine Your Frame Size

Wrap your thumb and middle finger around your wrist. If they:

Overlap

Small Frame

Just Touch

Medium Frame

Don't Touch

Large Frame

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