1 Rep Max Calculator and Log is a lifestyle app designed for Android users who are into bodybuilding, powerlifting, or fitness. Developed by Code Gardener LLC, this full version app helps estimate the maximum weight that can be lifted for one repetition using popular formulas. It works for barbells and dumbbells, and can accurately estimate your 1 Rep Max for Bench Press, Squats, Deadlift, or any other exercise in your workout routine.

With 1 Rep Max Calculator and Log, you can enter the reps and weight you were previously able to successfully complete, and it will estimate your 1 rep max. This app helps keep you safe by giving you an estimate of how much you can lift before actually attempting it yourself, preventing muscle and body damage, and enabling you to continue to build your strength.

This app also has a percentage chart for those who are doing workouts that require knowing the percentage of their 1 rep max. It works best when the reps used are less than 12, and for highest accuracy, it is recommended to use the reps between 3 and 10. However, it is not recommended to use this app to calculate maxes for exercises such as push-ups, sit-ups, or crunches.