About Us
Welcome to James Smith Calculator, your ultimate free tool for personalized calorie tracking and macronutrient management.
Whether you’re looking to lose fat, gain muscle, or maintain a healthy lifestyle, our easy-to-use tool helps you track and achieve your fitness goals. With accurate calculations based on your age, height, weight, gender, activity level, and fitness goals, you’ll get actionable insights to help guide your nutrition plan.
Why Choose the James Smith Calculator?
- Personalized & Accurate: Based on the Revised Harris-Benedict Formula, we provide precise calorie and macro recommendations tailored to your specific needs.
- No Gimmicks: We focus on evidence-based science and deliver simple, actionable steps—no fads, no shortcuts.
- Sustainable Results: We help you build long-term habits focused on balanced nutrition and realistic goals.
Who is James Smith?
James Smith is a renowned fitness expert, author, and social media personality, known for his straightforward approach to fitness and wellness. He is the creator of the James Smith Academy, helping thousands achieve their fitness goals through science-based principles. With a community of over 2 million followers across Instagram and TikTok, James empowers individuals to make positive, lasting changes in their fitness journeys.

How Does the James Smith Calculator Work?
Our calculator uses the Revised Harris-Benedict Formula to calculate your BMR (Basal Metabolic Rate) and TDEE (Total Daily Energy Expenditure). Once we know your baseline, the tool adjusts to your goals (fat loss, muscle gain, or maintenance) and provides a customized macro breakdown.
Simply enter your details, set your goal, and let the calculator create a nutrition plan that’s tailored to you. It’s that simple!
Get Started Today!
Are you prepared to take charge of your fitness? Get started with our free calculator, and let’s work together to achieve your fitness goals. With real-time tracking and customized advice, the James Smith Calculator is your partner in a sustainable, healthier lifestyle.
A helpful link is provided at the end for users who need guidance or have questions. Contact us