💪 1RM Calculator
Estimate your maximal strength and plan your training cycles with precision.
Safety & Liability Notice
These calculations are estimates for educational use only. Attempting maximum lifts carries inherent risk of injury. Always ensure you have a spotter and functioning safety equipment. Restorative Kinetics is not liable for any injury resulting from the use of this tool.
The Science of Strength
Safety First
Never test a true 1RM alone. Use submaximal testing (3-5 reps) to safely predict your max without the risk of total failure.
Accuracy Rule
Form is everything. If your technique breaks down, the rep doesn't count for the calculation. Most accurate under 10 reps.
Calculate Your Max
Bench Press
Squat
Deadlift
Overhead Press
Other