About Us
Providing free, science-backed nutritional tools for everyone.
Our Mission
At CalcMacros, our mission is simple: to make evidence-based nutritional calculations accessible, fast, and completely free. We believe that everyone should have access to accurate tools to understand their body's energy needs without being forced to sign up for accounts, hand over email addresses, or pay for premium subscriptions.
Why We Built CalcMacros
The internet is full of macro and calorie calculators, but we noticed a persistent problem: many of them are hidden behind paywalls, cluttered with aggressive marketing, or use outdated formulas.
We built CalcMacros to solve this. Our tools use the most widely accepted scientific formulas, such as the Mifflin-St Jeor and Harris-Benedict equations, to provide you with the most accurate baselines for your health and fitness journey. Whether your goal is to lose fat, build muscle, or simply maintain a healthy lifestyle, our calculators give you the numbers you need in seconds.
Transparency & Accuracy
We pride ourselves on transparency. All of our calculators clearly state which scientific formulas they use, and we never hide our methodology. We prioritize privacy by processing all calculations directly in your browser—meaning your personal health data is never stored on our servers.
The Team
CalcMacros is maintained by a dedicated team of web developers and fitness enthusiasts who are passionate about health, data, and clean design. We continuously update our tools and add new features based on the latest nutritional research and user feedback.
Get in Touch
We love hearing from our users. If you have questions, feedback, or suggestions for new calculators, please don't hesitate to reach out to us at info@calcmacros.com. You can also visit our Contact page for more specific inquiries.