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Both calculators run independently — change the inputs on either side to compare results.

Fitness

Wilks Score Calculator

Calculate your Wilks score to compare powerlifting strength fairly across different body weights and genders. Used in competitions to determine Best Lifter awards regardless of weight class.

Fill in the required fields to see your result.
Fitness

One Rep Max Calculator

Estimate your one-rep maximum (1RM) — the maximum weight you can lift for a single repetition — from a submaximal set using Epley, Brzycki, Lander, or other established formulas. Use it to design strength-training programs without the injury risk of testing actual maxes.

Fill in the required fields to see your result.

Key differences

Wilks Score CalculatorOne Rep Max Calculator
CategoryFitnessFitness
Inputs required44
ResultWilks Score (points)Estimated Weight (kg)
What it doesCalculate your Wilks score to compare powerlifting strength fairly across different body weights and genders. Used in competitions to determine Best Lifter awards regardless of weight class.Estimate your one-rep maximum (1RM) — the maximum weight you can lift for a single repetition — from a submaximal set using Epley, Brzycki, Lander, or other established formulas. Use it to design strength-training programs without the injury risk of testing actual maxes.