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Target Body Weight from Body Fat % Calculator

Goal weight from current weight, body fat %, and target body fat %.

Compute the target body weight required to reach a target body-fat percentage from your current weight and body-fat percentage, assuming lean mass is preserved during fat loss.

Priya Venkatesan By Priya Venkatesan
Published Last reviewed 1 min read

Inputs

kg
%
%

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

LBM = current_weight · (1 − bf%/100). Target weight = LBM / (1 − target_bf%/100).

In depth

Compute the target body weight required to reach a target body-fat percentage from your current weight and body-fat percentage, assuming lean mass is preserved during fat loss.