1RM Calculator — RF Theme

Weight lifted Enter the load used for the set. Reps performed Reps must be between 1 and 20. Units Formula Different formulas produce slightly different estimates.

Bar weight preset (optional) Used only for plate math below; 1RM calc uses total weight entered above.

RPE (optional) If provided and reps = 1, we'll adjust for not-a-true-max.

Estimated 1RM—

Selected formula—

Rounded to—

Percent Loading Table Based on selected 1RM.

% of 1RM	Weight	Plates/Side*

Projected Reps @ %1RM Based on selected formula.

% of 1RM	Projected Reps

Estimated Weight by Reps Given your estimated 1RM.

Reps	Estimated Weight	Plates/Side*

1RM Calculator RF