Nine calculators. No signup. All free.
TDEE, BMR, macros, protein, body fat, water, ideal weight, carb cycling, plus the micronutrient deficiency quiz. Built on peer-reviewed formulas. If you want your answer tracked automatically day after day, that’s what the app is for.
TDEE Calculator
Total Daily Energy Expenditure from age, sex, weight, height, activity level. Mifflin-St Jeor.
BMR Calculator
Basal Metabolic Rate. Your resting energy baseline before activity is added.
Macro Calculator
Protein, carb, fat grams based on your TDEE and goal (cut, maintain, bulk).
Protein Calculator
Target protein in grams based on weight, training load, and goal.
Body Fat Calculator
US Navy circumference method for estimating body fat percentage without calipers.
Water Intake Calculator
Daily hydration target in ounces, liters, or cups, adjusted for activity and climate.
Ideal Weight Calculator
Four-formula average (Devine, Miller, Hamwi, BMI-based) for a realistic range.
Carb Cycling Calculator
High-day, low-day, and rest-day carb targets for a structured cycling plan.
Micronutrient Deficiency Quiz
Ten questions about symptoms and diet patterns. Returns likely deficiencies and food fixes.
Or let the app do the tracking.
These calculators give you a one-time answer. Açaí gives you the answer, re-computed every day based on what you actually ate.