Solve Weight Gain
The result uses an estimated maintenance level plus a chosen surplus; real weight change varies by person.
Formula: Target calories β maintenance calories + selected calorie surplus
Small input differences can affect an estimated health result, especially for circumference-based or energy-need formulas. Measure consistently and avoid false precision.
Compare the displayed answer with the formula above so you can see which inputs are driving the estimate.
Important: This calculator is provided for general informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Results are estimates based on the information entered and the method used. If you have a medical concern or are making a health-related decision, consult a qualified healthcare professional.