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How Strong Am I? The Strength Calculator

Paul Hummel Last reviewed October 6, 2026 3 min read
Calculator

How strong am I?

IPF GL formula (2020 coefficients), classic scoring.

Your IPF GL score
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Scored load
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Relative
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Of elite level
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According to the IPF, 100 points equal the average of elite athletes at the same body weight. Raw (“classic”) values.
Quick answer

The IPF GL score compares strength independent of body weight. According to the International Powerlifting Federation, 100 points equal the average of elite athletes at the same body weight.

How the score is calculated

The International Powerlifting Federation (IPF) compares athletes across weight classes using GL points. The formula is: load × 100 ÷ (A − B · e−C · body weight). The constants A, B and C differ by sex and event; the calculator uses the IPF 2020 values for “Classic Powerlifting” and “Classic Bench Press”.

What do 100 points mean?

According to the IPF, the normalization factor of 100 was chosen so that points can be read as a percentage of strength performance relative to the reference level of elite lifters at the same body weight. The elite average is set to 100 points for every body weight. A score of 50 therefore means roughly half of that level.

The IPF derives the coefficients from competition results of elite athletes. Recreational lifters typically score much lower; the score is most useful for comparing your own progress over time.

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Related questions

Sources

  1. International Powerlifting Federation (IPF) (2020). The IPF GL Coefficients for Relative Scoring. powerlifting.sport (PDF)
  2. International Powerlifting Federation (IPF) (2021). Technical Rules Book. powerlifting.sport (PDF)
This content is for general informational purposes only. Max attempts should only be performed with proper technique and spotting.