Calorie Calculator
Find daily calories for weight loss, maintenance, or gain.
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Formula
Calories = BMR × Activity Factor
Enter Your Details
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Maintain Weight
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Mild Loss (-0.5 lb/wk)
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Weight Loss (-1 lb/wk)
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Gain (+0.5 lb/wk)
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How This Calorie Calculator Works
This calculator uses established scientific formulas validated in peer-reviewed literature. All calculations run locally in your browser — no data is sent to any server.
Frequently Asked Questions
How accurate is this?
Uses well-established formulas accurate for most people. Individual variation is normal.
Is my data stored?
No. All calculations run in your browser. No data collected.
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