Free calculators for strength training and powerlifting
StrengthPeaking is a free collection of strength training and powerlifting calculators built for lifters who want quick answers without spreadsheets, signups, or bloated apps. It includes tools for 1RM estimates, Smolov Jr cycles, 5/3/1 percentages, DUP programming, wave loading, DOTS, Wilks, and strength standards. The focus is speed, simplicity, and practical gym use: enter your numbers, get usable training outputs, and move on.
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