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Relative Strength & Body Weight Ratio Calculator

Relative strength = lift / body weight — normalised lift comparison.

Calculates relative strength ratio (lift/bodyweight) for squat, bench, and deadlift, and classifies performance level against standard benchmarks.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

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

Relative_strength = lift_kg / bodyweight_kg

In depth

Calculates relative strength ratio (lift/bodyweight) for squat, bench, and deadlift, and classifies performance level against standard benchmarks.