MaxLift: 1RM Calculator

Estimate your 1RM instantly using proven formulas, then view practical training percentages.

MaxLift is a strength calculator for lifters who plan with numbers.

Enter working weight and reps, then get estimated 1RM values (Epley, Brzycki, Mayhew) plus an average estimate and training table.

Features:

• 1RM estimates from multiple formulas
• Average 1RM summary output
• Training percentage table by reps
• Fast input with watch-friendly controls
• Saved recent calculations
• Lightweight offline use

MaxLift gives you quick, useful insights for progressive overload and session planning.