Free calculators
Instant calculators for BMR, TDEE, macros, BMI, water intake, and calorie deficits. No signup. No email gate. Pure formulas with live results.
- Foundation
BMR Calculator
Basal Metabolic Rate — calories your body burns at rest.
Open calculator - Daily burn
TDEE Calculator
Total Daily Energy Expenditure — your real maintenance calories.
Open calculator - Macros
Macro Calculator
Protein, carbs, and fat targets for your goal.
Open calculator - Meal prep
Meal Prep Macro Calculator
Batch recipe macros per serving and per 100g.
Open calculator - Body comp
BMI Calculator
Body Mass Index — quick health screening metric.
Open calculator - Hydration
Water Intake Calculator
Daily water target based on weight, activity, and climate.
Open calculator - Weight loss
Calorie Deficit Calculator
How much to cut to hit your goal weight by your target date.
Open calculator
AskCalories
Skip the math. AskCalories computes for you.
Set your goal once. We do BMR, TDEE, macros, deficit — all behind the scenes.