Free, fast, no account. Compute your max, plan a meet, prescribe loads. local mockup — not published
Epley, Brzycki and Lombardi side by side, with the caveat that formulas drift above 10 reps.
Open the 1RM calculatorRPE + reps → estimated 1RM, or the weight to load for a target RPE.
Open the RPE calculatorThe tools are free forever. Keeping your history, watching the trend and knowing your rank is the part that costs.
See what saving gives youTools are free and account-free. The saved version is planned — not for sale yet.