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Calcimator

Pacer Test Calculator

VO2max estimate from PACER laps completed.

Inputs

Results

Estimated VO2max (ml/kg/min)

42.9

Stage Reached4
Total Distance (m)600
Approx. Test Duration (min)3.9
Final Stage Speed (km/h)10
Estimated Percentile42
HFZ Threshold (ml/kg/min)40.3
Hfz LabelHealthy Fitness Zone
How to Use This Calculator
  1. Enter Total Laps Completed, Student Age, and Gender (0=Male, 1=Female).
  2. Review the Estimated VO2max (ml/kg/min) result.
  3. Use Stage Reached and Total Distance (m) to inform your decision.

How the result changes with Student Age

Student AgeEstimated VO2max (ml/kg/min)
7.251.4
1046.3
1439.4
1734.3

What each input means

Total Laps Completed
Number of 20-meter shuttle laps completed before stopping.
Student Age
Age in years (FITNESSGRAM norms cover ages 10-17).
Gender (0=Male, 1=Female)
0 for male, 1 for female. Affects HFZ thresholds and percentile norms.

What each result means

Estimated VO2max (ml/kg/min)
Maximal oxygen uptake estimated via the Leger equation.
Stage Reached
PACER test stage completed (speed increases each stage).
Total Distance (m)
Total meters run during the test (laps x 20m).
Approx. Test Duration (min)
Estimated time to complete the given number of laps.
Final Stage Speed (km/h)
Running speed at the last completed stage.
Estimated Percentile
Approximate fitness percentile among same-age peers.
HFZ Threshold (ml/kg/min)
FITNESSGRAM Healthy Fitness Zone lower bound for this age/gender.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    Total Laps Completed = 30, Student Age = 12, Gender (0=Male, 1=Female) = 0 = 3 input(s) provided
  2. Calculate Estimated VO2max
    Estimated VO2max = max(15, min(80, vo2max))
    42.9 = 42.9
  3. Calculate Stage Reached
    4 = 4
  4. Calculate Total Distance
    Total Distance = totalLaps * 20
    600 = 600

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