Free tool
Calorie Calculator
Estimate maintenance, fat-loss, and lean-gain targets in a few seconds with sensible defaults you can adjust.
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Free nutrition calculators you will actually use.
Get calorie, macro, protein, BMI, and meal estimates in a few clicks, then move to the app when you want daily tracking to be faster.
Tool library
Pick the calculator that answers your question.
Free tool
TDEE Calculator
Get a maintenance estimate, then compare fat-loss and lean-gain targets so the next plan starts from a real baseline.
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Macro Calculator
Turn a daily calorie target into protein, carbs, and fat in grams using balanced, high-protein, or lower-carb splits.
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Protein Calculator
Pick a daily target by body weight and goal, with a usable range instead of one rigid number.
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BMI Calculator
Get a body mass index estimate from height and weight, plus context on what the number does and does not measure.
Open bmi calculatorFree tool
Calorie Deficit Calculator
Pick a deficit you can actually keep and see a directional projection for weekly weight change.
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Food Calorie Lookup
Search common foods, see calories and macros by serving, and jump straight to a fuller nutrition page when you need context.
Open food calorie lookupFree tool
Meal Calorie Analyzer
Stack foods into one meal, adjust serving sizes, and watch calories and macros total in real time.
Open meal calorie analyzer