1RM Estimator

Estimate your one-rep max using common formulas.

kg
Enter the heaviest successful set.

Percentage Chart

Generate working sets from your max or a target weight.

kg
Use your estimated 1RM or any anchor weight.
5%
start
end
Common working sets fall between 60% and 90%.

Warm-Up Planner

Map out progressive sets before your heavy attempts.

kg
Usually today's heaviest working weight or second-to-last single.
Pick the pattern that fits the day's focus. You can tweak weights afterward.

Advanced Warm Up

Generate a specific warm-up plan based on your main set.

kg

RIR Translator

Convert last set data into estimated 1RM and target weights using Reps In Reserve.

Last Set

kg

Next Set

RPE (Rate of Perceived Exertion) and RIR (Reps In Reserve) are autoregulation tools that help you match training stress to daily readiness.