Free Fitness Calculators

Your personalized daily calorie target for fat loss, maintenance, or muscle gain.

Find a safe daily calorie target for steady fat loss — with weekly and monthly projections.

The exact calories to maintain your weight — ideal for diet breaks and muscle-building phases.

Your real daily calorie burn — fat loss, maintenance, and muscle gain targets.

Protein, carbs, and fats split for your goal. Auto-pulls your TDEE.

Calories your body burns doing nothing — the floor of every plan.

Daily protein target in grams, based on weight, goal, and activity.

Estimate calories burned, distance, and steps for any walk.

Personalized daily water intake based on weight, training, and climate.

Quick body mass index check plus healthy weight range for your height.

Estimate body fat percentage with the U.S. Navy tape-measure method.