FITTR

1RM Calculator

What is 1RM
(One-Rep Max)?

This is the maximum amount of weight you can lift for one complete repetition of an exercise (like bench press, squat, or deadlift). It's often used as a benchmark to measure strength and to calculate training loads (e.g., training at 70% of your 1RM).

Enter your weight and reps to calculate your 1RM

Body Fat Calculator

Calculate your body fat % and lean mass accurately.

Body Fat Calculator

Calculate your body fat % and lean mass accurately.

BMR Calculator

Estimate your daily calorie burn at rest.

BMR Calculator

Estimate your daily calorie burn at rest.

Macro Calculator

Plan your daily protein, carbs, and fat intake.

Macro Calculator

Plan your daily protein, carbs, and fat intake.

Body Fat Calculator

Calculate your body fat % and lean mass accurately.

Body Fat Calculator

Calculate your body fat % and lean mass accurately.

BMR Calculator

Estimate your daily calorie burn at rest.

BMR Calculator

Estimate your daily calorie burn at rest.

Macro Calculator

Plan your daily protein, carbs, and fat intake.

Macro Calculator

Plan your daily protein, carbs, and fat intake.

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