Calculate METs and VO2max from your Bruce Protocol treadmill stress test duration.
Test Parameters
MinutesSeconds
Fitness Assessment
About this calculator
Quick Reference
Stage 1 (1.7mph, 10%)~5 METs
Stage 2 (2.5mph, 12%)~7 METs
Stage 3 (3.4mph, 14%)~10 METs
Stage 4 (4.2mph, 16%)~13 METs
Overview
The Bruce Protocol is a diagnostic test used to evaluate cardiac function and functional capacity. It involves exercising on a treadmill with increasing speed and grade every 3 minutes.
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Pro Tips
The test typically stops when you reach 85% of your max heart rate or cannot continue.
1 MET is the energy cost of sitting quietly (3.5 ml/kg/min of oxygen).
Higher MET scores indicate better aerobic fitness.
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Fun Facts
"Developed by cardiologist Robert A. Bruce in 1963."
"Often called the 'stress test', it is the most common regimen for exercise tolerance testing."
"Professional athletes can often reach Stage 6 or 7, while sedentary adults may finish in Stage 2 or 3."
