Gym Calculator

1) Session timing

Pre-climbing Post-climbing

2) Equipment type

Dumbbells Barbell Weighted bodyweight

Choose both options to unlock warm-up calculations.

Your Bodyweight (lbs)

Number of Warm-up Sets

Set	Reps	Weight (lbs)

Enter a target weight to see your warm-up sets.

Calculate your one-rep max (1RM) and rep ranges based on your weight and reps. Add multiple sets for a more accurate estimation.

Calculation Method Choose how to calculate your 1RM from multiple sets.

Set	Weight (lbs)	Reps	Est. 1RM

Based on average of multiple sets Based on highest estimated 1RM Based on lowest estimated 1RM Based on weighted average of multiple sets

Based on the Epley formula

Reps	Weight (lbs)	% of 1RM

Estimate your 1RM from multiple sets, then see how it stacks up against common strength standards for your bodyweight.

Lift

Bodyweight (lbs)

Calculation Method

Set	Weight (lbs)	Reps	Est. 1RM

Based on average of multiple sets Based on highest estimated 1RM Based on lowest estimated 1RM Based on weighted average of multiple sets

Based on the Epley/Brzycki formulas