How Do I See Calculator History on Iphone

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Verified by: David Chen, Fitness Specialist & PRT Consultant

Determine your Navy Physical Readiness Test (PRT) stationary bike score instantly. This calculator uses the official Navy calorie-to-performance standards to help you plan your next fitness assessment.

US Navy Bike PRT Calculator

Enter values and click Calculate

US Navy Bike PRT Calculator Formula

Estimated VO2max = [ (Calories * 12) / Weight ]
Score = Comparison vs Age/Gender Norms

Formula Source: MyNavyHR Physical Readiness Program, Navy-PRT Standards.

Variables:

  • Gender: Physiological differences impact the calorie-to-VO2 conversion.
  • Age: Standards are age-graded in 5-year increments.
  • Body Weight: The bike test is weight-dependent; heavier sailors must burn more calories to achieve the same score.
  • Total Calories: The reading from the LifeFitness (or approved) bike after exactly 12 minutes.

What is the US Navy Bike PRT Calculator?

The US Navy Bike PRT Calculator is a specialized tool designed for sailors who choose the stationary bike as their cardio alternative during the semi-annual Physical Readiness Test. Unlike the 1.5-mile run, which is a pure time-based event, the bike test measures caloric expenditure adjusted for body weight to estimate aerobic capacity.

This calculator streamlines the process by taking your raw calorie count and comparing it against the official Navy scoring tables. This allows you to know your “Outstanding,” “Excellent,” or “Good” category before the official PRT session.

How to Calculate US Navy Bike PRT (Example):

  1. Warm up on the bike for 2-3 minutes.
  2. Set the bike to the “Navy PRT” or “Manual” mode for 12 minutes.
  3. Maintain a high enough RPM/Level to maximize calories burned.
  4. Record the total calories displayed at the 12-minute mark.
  5. Divide (Calories * 12) by your body weight to get a VO2 estimate, or use the official lookup table.

Related Calculators:

Frequently Asked Questions (FAQ):

Which bikes are approved for the Navy PRT? Only specific models, typically LifeFitness or Matrix bikes that have been calibrated, are authorized for official use.

Is the bike test easier than the run? Not necessarily. While it is low-impact, achieving an “Outstanding” score on the bike requires significant leg power and cardiovascular endurance.

Do I need to enter my weight every time? Yes, because the Navy standards are based on your body weight on the day of the BCA (Body Composition Assessment).

What is the passing score for the bike? A sailor must achieve at least a “Satisfactory Medium” to pass the PRT.

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