How to Use the Ideal Body Weight (IBW) Calculator
This calculator is designed to provide immediate answers without manual arithmetic or confusing steps. Simply input your values into the fields above; results update automatically as you adjust numbers. You can also customize your currency and tax preferences using the region selector in the header.
Formula & Calculation Method
Devine Formula (Men): 50 kg + 2.3 kg per inch over 5 feet; (Women): 45.5 kg + 2.3 kg per inch over 5 feet
Our algorithms strictly follow standard international accounting, scientific, and engineering formulas to ensure 100% precision.
Frequently Asked Questions
Which ideal body weight formula is most widely used?
The Devine formula (1974) is the most widely adopted in clinical medicine and pharmacology for medication dosing.
Should I aim for an exact single number?
No, healthy body weight is a range (usually within ±10% of IBW or standard BMI 18.5-24.9).