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Wilks Calculator Powerlifting

Wilks Formula:

\[ Wilks\ Coefficient = \frac{500}{a + b x + c x^2 + d x^3 + e x^4 + f x^5} \]

where \( x \) = body weight in kg

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1. What is the Wilks Formula?

The Wilks formula is a coefficient used in powerlifting to compare the relative strength of lifters across different body weights. It allows for fair comparison between athletes of different sizes by normalizing their total lifts.

2. How Does the Calculator Work?

The calculator uses the Wilks formula:

\[ Wilks\ Coefficient = \frac{500}{a + b x + c x^2 + d x^3 + e x^4 + f x^5} \]

Where:

Explanation: The formula creates a coefficient that decreases as body weight increases, reflecting the fact that heavier lifters can typically lift more absolute weight.

3. Importance of Wilks Score

Details: The Wilks score is widely used in powerlifting competitions to compare athletes across weight classes. It helps determine the "best lifter" awards in meets with multiple weight classes.

4. Using the Calculator

Tips: Enter your best competition total (sum of squat, bench press, and deadlift) in kg, your body weight in kg, and select your gender. The calculator will compute your Wilks score.

5. Frequently Asked Questions (FAQ)

Q1: Why use Wilks instead of raw totals?
A: Wilks allows fair comparison between lifters of different body weights by accounting for the fact that absolute strength typically increases with size.

Q2: What's a good Wilks score?
A: A Wilks score of 300+ is considered good, 400+ is excellent, and 500+ is world-class for drug-tested lifters.

Q3: Is Wilks used in all federations?
A: Most federations use Wilks or a similar coefficient (like IPF points in the International Powerlifting Federation).

Q4: Are there limitations to Wilks?
A: Some argue it doesn't perfectly account for extreme body weights and newer formulas may be more accurate.

Q5: Should I aim for a higher Wilks or higher total?
A: Both are important - Wilks shows your strength relative to your size, while absolute totals matter for records in your weight class.

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