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One Rep Max Calculator

One Rep Max Calculator

Estimate your 1RM, compare formulas plan smarter workouts.

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One Rep Max Calculator helps lifters estimate their maximum strength without testing a true 1RM. Calculate your bench press, squat, and deadlift max, compare 7 proven formulas, and plan smarter workouts with warm-up, plate, RPE, DOTS, and Wilks calculators. Perfect for beginners, bodybuilders, powerlifters, and strength athletes.

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