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Daily calorie calculator
Estimate how many calories you burn a day and what to eat to maintain, lose or gain weight.
How it works
First the calculator estimates your basal metabolic rate, the energy you use at rest. It then multiplies that by your activity level to estimate your total daily energy use.
How accurate is it?
For most adults it is within about 10% of measured values. Track your weight for two or three weeks and adjust if needed.