Tools
Free calorie and macro calculators
Get a starting number here. Verify it with real logging in Corvex.
7free calculators
Free tool
TDEE calculator
TDEE is total daily energy expenditure: an estimate of the calories you burn in a full day. Get the number here, then verify it with a weight log. Calculators start you; habits refine you.
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Calorie deficit calculator
Choose a gentle cut from maintenance — estimated from your stats, or a number you already measured. Aggressive deficits look brave and often fail. Sustainability is the strategy.
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Macro calculator
Set protein first, then split remaining calories between carbs and fat. Use the result inside a macro tracker you will actually open.
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BMR calculator
BMR (basal metabolic rate) is the calories your body burns at rest. Estimate it here, then multiply by activity for TDEE — never eat the BMR number as a diet target.
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Maintenance calorie calculator
Estimate the intake that should hold your weight steady. The equation is a hypothesis. Three weeks of logging is the measurement.
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Protein calculator
Protein is the one macro worth a gram target. Set it from body weight, check it still sits inside the published energy range, then stop chasing the other two.
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Weight loss goal calculator
Pick a weekly rate you could actually hold. The week count is a straight line. Your body is not. Use it as a ceiling on optimism, not a promise.
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Open Corvex on your iPhone
Track calories, weight, and macros in a daily log you will actually keep — then share progress stickers in one tap.