Free Calorie Deficit calculator with clear step-by-step results.
A daily calorie deficit produces weight loss roughly proportional to its size.
Formula
Target = TDEE − deficit; loss ≈ weekly deficit ÷ 7,700 kcal/kg
Estimates are general guidance — consult a healthcare professional for personal medical advice.
A daily calorie deficit produces weight loss roughly proportional to its size.
About 7,700 kcal equals a kilogram of body fat.