Weight loss calculator
Estimate how many weeks it will take to reach your goal weight at a given daily calorie deficit.
Result
16 weeks
7.0 kg · 0.45 kg/week
Based on roughly 7,700 kcal per kg of body fat. Actual progress varies with water, glycogen and adherence.
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GudFude provides estimates and is not medical advice.
Frequently asked questions
+Why use 7,700 kcal per kg?
It's the widely-used estimate for the energy stored in 1 kg of body fat. It's an estimate — not a guarantee.
+Why does early weight loss feel faster?
Early drops often include water and glycogen. Trends over 2–4 weeks are more reliable.
+Is this medical advice?
No. GudFude provides estimates and is not medical advice.