Calorie Calculator
The Goby AI calorie calculator estimates your total daily energy expenditure (TDEE) so you know how many calories to eat to maintain, lose or gain weight.
Estimates for educational purposes only and not medical advice. Consult a professional for personal guidance.
How it works
We calculate your Basal Metabolic Rate using the Mifflin-St Jeor equation, then multiply by an activity factor to find your maintenance calories. Subtract 500 for steady weight loss or add 500 to gain.
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Frequently Asked Questions
How many calories should I eat to lose weight?
A deficit of about 500 calories per day below your maintenance leads to roughly 1 pound of fat loss per week.
Is this calculator accurate?
It provides a science-based estimate; individual needs vary, so adjust based on real-world results over a few weeks.