Introducing the Nutrition Coaching Academy, formerly the Dr. Marc Method.

Become a Nutrition Coach in 90 Days 

Turn your passion for nutrition into a thriving coaching business.

Subscribe below to join the waitlist. You’ll be the first to know about enrollment and get a few bonuses along the way. 

NCA Calorie & Macro Calculator

Calories & Macros

Evidence‑based estimates using Harris–Benedict (revised) for BMR. Choose units, set goal, then set protein and carbs; fat is calculated from the remaining calories. Coach‑ready

Basics

lb
These are estimates. For coaching, tailor using progress & biofeedback.

Macros

e.g., 0.8 g/lb
e.g., 45% of calories
Fat is calculated from remaining calories after protein & carbs.

Results

Estimated BMR
Estimated TDEE
Target Calories
Goal
Protein (g)
Carbs (g)
Fat (g)
Built-in tests (for dev/debug)

Quick checks for BMR/TDEE, unit conversion, and macro math (protein+carb inputs → fat remainder), plus clipboard fallback.

Introducing the Nutrition Coaching Academy, formerly the Dr. Marc Method.

Become a Nutrition Coach in 90 Days 

Turn your passion for nutrition into a thriving coaching business.

Subscribe below to join the waitlist. You’ll be the first to know about enrollment and get a few bonuses along the way. 

NCA Calorie & Macro Calculator

Calories & Macros

Evidence‑based estimates using Harris–Benedict (revised) for BMR. Choose units, set goal, then set protein and carbs; fat is calculated from the remaining calories. Coach‑ready

Basics

lb
These are estimates. For coaching, tailor using progress & biofeedback.

Macros

e.g., 0.8 g/lb
e.g., 45% of calories
Fat is calculated from remaining calories after protein & carbs.

Results

Estimated BMR
Estimated TDEE
Target Calories
Goal
Protein (g)
Carbs (g)
Fat (g)
Built-in tests (for dev/debug)

Quick checks for BMR/TDEE, unit conversion, and macro math (protein+carb inputs → fat remainder), plus clipboard fallback.