
What is One Rep Max Calculator?
One-rep max calculator using the proven Landers Formula. Calculate your 1RM safely with our accurate weight lifting calculator. Free and easy to use.
Problem
Users manually calculate their one-rep max (1RM) using formulas like Brzycki or Epley, which is time-consuming and prone to errors, risking inaccurate training load planning.
Solution
A web-based calculator that lets users input weight and reps to instantly compute their 1RM using the Landers Formula, providing accurate, safe estimates for lifting routines.
Customers
Weightlifters, CrossFit athletes, personal trainers, and gym enthusiasts focused on strength training.
Unique Features
Exclusive use of the Landers Formula, which prioritizes safety and accuracy compared to other 1RM formulas.
User Comments
Accurate results for program planning
Simplifies tracking progress
Free and easy to use
No app download required
Useful for beginners and pros
Traction
Featured on ProductHunt with 100+ upvotes, free access, and integrated into fitness programs by trainers.
Market Size
The global fitness app market is valued at $1.4 billion in 2024, with strength training being a key segment.