Question 1

How is ideal weight calculated?

Accepted Answer

This tool uses the Devine formula (1974): Male = 50 + 2.3 × (height in inches − 60), Female = 45.5 + 2.3 × (height in inches − 60).

Question 2

BMI vs ideal weight — what is the difference?

Accepted Answer

BMI is a ratio of weight to height squared (kg/m²). Ideal weight formulas give a target weight directly. They complement each other but neither accounts for muscle mass or body composition.

Question 3

What is the Devine formula?

Accepted Answer

Published by Dr. Benjamine Devine in 1974, it estimates ideal body weight based on height and gender. It was originally designed to determine drug dosages.

Question 4

How do I use this Ideal Weight Calculator online free?

Accepted Answer

Enter your numbers above and get instant results. Free with no login, works on mobile and desktop.

Question 5

Is this Ideal Weight Calculator accurate?

Accepted Answer

Yes. The Ideal Weight Calculator uses standard formulas and 2026 rules. Always verify big decisions with a professional.

Question 6

What do I need to enter?

Accepted Answer

Just fill the fields above and results update live. No sign-up, free on any device.