Nutrition Calculators

Use body weight, activity, and goals to create a practical starting estimate. Nutrition results are educational and should be adjusted using real progress.

Calorie Calculator

Estimate maintenance calories and starting targets for fat loss or muscle gain in US or metric units.

Calculate Daily Calories

Macro Calculator

Turn a calorie target into daily protein, carbohydrate, and fat targets based on body weight and goal.

Calculate Macros

Body Fat Calculator

Estimate body fat percentage from neck, waist, height, and hip measurements using the U.S. Navy method.

Calculate Body Fat

Strength and Barbell Calculators

Estimate performance from a completed set, then prepare the bar accurately for the next session.

One Rep Max Calculator

Estimate 1RM from weight and completed repetitions, then review percentage-based training loads.

Estimate One Rep Max

Barbell Plate Calculator

Enter a target weight to see which plates belong on each side of the bar in pounds or kilograms.

Calculate Barbell Plates

Workout Planning

Build a starting weekly structure, then adjust exercise selection and volume to match recovery and progress.

Workout Split Builder

Create a 3, 4, or 5 day split based on training goal, experience, schedule, and available equipment.

Build a Workout Split

Training Guides

Learn how 1RM estimates, training maxes, plate loading, and progressive training decisions work.

Read Training Guides

Where Should You Start?

  1. Choose the decision.
    Start with nutrition, strength, barbell setup, or weekly programming.
  2. Enter current information.
    Use recent body weight, activity, or completed training data.
  3. Review and adjust.
    Treat the result as a starting estimate and compare it with actual progress.