Weight Gain Calculator
Calculate how many calories you need to consume daily to gain weight at a desired rate, based on your BMR and activity level.
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How to use this tool?
- 1 Enter the requested data in the fields above carefully.
- 2 Click the calculate button to process the information instantly.
- 3 Analyze the detailed result and the formula explanation presented below.
- 4 You can print, share, or even embed the calculator on your own site for free.
Unlike traditional static calculators, our tools adapt to specific user needs. They include detailed explanations of the formulas used, ensuring transparency in results. Furthermore, our design is focused on user experience, eliminating distractions and focusing on what really matters: your data and conclusions.
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Frequently Asked Questions
It estimates your Basal Metabolic Rate (BMR) using the Mifflin-St Jeor equation, multiplies by an activity factor to get Total Daily Energy Expenditure (TDEE), then adds a calorie surplus based on your desired gain rate (approx 1100 kcal per kg of weight gain).
A moderate rate of 0.5 kg per week is generally considered safe and sustainable. Slower rates (0.25 kg/week) are suitable for lean gains, while faster rates (1 kg/week) may lead to more fat gain.
No, this calculator is specifically for weight gain. For weight loss, you would need a calorie deficit instead of a surplus.
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