Body Surface Area Calculator
Calculate your exact BSA using multiple formulas based on your height and weight.
Your BSA Results
Height:
Weight:
BSA: m²
Formula Used:
DuBois & DuBois: m²
Mosteller: m²
Haycock: m²
Gehan & George: m²
Medical Disclaimer
This Body Surface Area (BSA) Calculator is provided for informational and educational purposes only. The calculations are based on established medical formulas, but should not be used as the sole basis for medical decisions. Always consult qualified healthcare professionals for medical advice, diagnosis, and treatment. Medication dosing based on BSA should only be determined by licensed medical practitioners.
ToolMasteryHub makes no warranties or representations regarding the accuracy of the calculations and expressly disclaims liability for any errors, inaccuracies, or misuse of the information provided. By using this calculator, you acknowledge and agree that you do so at your own risk.
How Our BSA Calculator Works
The ToolMasteryHub Body Surface Area Calculator is a precise, user-friendly tool that instantly computes your BSA in square meters using various trusted formulas. Simply enter your height and weight to determine your body surface area.
BSA Formulas Included
- DuBois & DuBois (1916) - BSA (m²) = 0.007184 × height(cm)0.725 × weight(kg)0.425
- Mosteller (1987) - BSA (m²) = √[(height(cm) × weight(kg))/3600]
- Haycock (1978) - BSA (m²) = 0.024265 × height(cm)0.3964 × weight(kg)0.5378
- Gehan & George (1970) - BSA (m²) = 0.0235 × height(cm)0.42246 × weight(kg)0.51456
Why Use Our BSA Calculator?
- Multiple Formulas - Compare results across the most widely used BSA calculation methods
- Flexible Units - Work with metric (cm, m, kg) or imperial (inches, lbs) measurements
- Precision - Get accurate calculations to three decimal places
- User-Friendly Interface - Simple, intuitive design with instant results
- Clinical Relevance - Trusted formulas used in medical practice worldwide
Common Uses for BSA Calculations
Body Surface Area is an important metric used in various medical and clinical applications:
- Medication dosing, particularly for chemotherapy drugs
- Cardiac function assessment (cardiac index)
- Burns assessment and treatment
- Metabolic rate calculations and studies
- Renal function assessment
- Pediatric drug dosing
- Clinical trial protocols
- Fluid requirement calculations
Note: While our calculator provides accurate BSA estimations, always consult healthcare professionals for medical applications. This tool is for informational purposes only.