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Strena

Powerlifting Calculators and Tools

Free powerlifting calculators: 1RM, plate loading, Wilks, DOTS, RPE chart, strength standards, and more.

Free tools for lifters who want numbers, not guesswork. Estimate your max, load your plates, check your Wilks and plan your warm-ups.

Calculators

Every tool runs in your browser. No signup needed.