Welcome to James Smith Calculator - your trusted companion for accurate calorie calculations and nutritional guidance.

Our Mission

We provide scientifically-backed calorie calculations to help you achieve your health and fitness goals. Our calculator uses the proven Mifflin-St Jeor equation to deliver accurate results tailored to your individual needs.

Why Choose Our Calculator?

• Scientifically accurate calculations
• Support for both metric and imperial units
• Comprehensive activity level options
• Goal-specific recommendations
• Easy-to-use interface