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Weight Change Projection

Free Weight Change Projection calculator with clear step-by-step results.

About Weight Change Projection

Projected weight follows a steady weekly deficit.

Formula

Formula

Loss = (weekly deficit ÷ 7,700) × weeks

Worked example

With the default values below, Weight Change Projection returns Projected Weight of 76.4. Change any input above and every figure here is recalculated in your browser.

Inputs used

Current weight (kg)minimum 0 kg
80 kg
Weekly deficit (kcal)minimum 0 kcal
3,500 kcal
Weeksaccepts 1–52
8

Results

Projected Weight
76.4 kg
Total Loss
3.6 kg
Weekly Rate
0.45 kg

Step by step

  1. 1Values used
  2. 2Formula
  3. 3Projected Weight= 76.4 kg
  4. 4Total Loss= 3.6 kg
  5. 5Weekly Rate= 0.45 kg

Assumptions and limits

  • The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • Estimates are general guidance — consult a healthcare professional for personal medical advice.
  • This is an estimate for general information and not professional medical advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Estimates are general guidance — consult a healthcare professional for personal medical advice.

Frequently Asked Questions

How does this calculator work?

Projected weight follows a steady weekly deficit.

Why does this matter?

Real weight loss is not linear — expect stalls.

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Weight Change Projection | Calcrivo