1RM Maximum Strength Calculator

Calculate maximum strength potential for any exercise ✹

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Unit System

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Knowledge Hub 🧠

Master the science behind your fitness journey ✹

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Formula Mastery 🎯

Unlock the secrets behind every calculation! Learn how different formulas work and when to use them for maximum accuracy.

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Precision Tips 💎

Get insider secrets for ultra-accurate results! Discover pro tips that fitness experts use to maximize calculation precision.

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Dive into the fascinating research behind fitness science! Explore studies that revolutionized how we understand the human body.

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Mistake-Proof Guide 🛡

Avoid the pitfalls that trip up 90% of people! Learn from common mistakes and get results that actually work.

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Calculate optimal recovery time after different training intensities

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Got Questions? We've Got Answers! 💡

Everything you need to know to succeed! 🌟

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Which 1RM formula is most accurate?

The Brzycki formula is relatively most accurate in the 1-10 rep range, while the Epley formula performs better at higher reps. We recommend choosing the appropriate formula based on your training rep range.

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Is 1RM testing safe?

Direct 1RM testing carries injury risk. We recommend using 3-5RM for estimation, which is both safe and relatively accurate.

metadata.oneRepMax.title | Goal Timeline Hub