Pulmonology• Updated 21 October 2026
6-Minute Walk Test
A simple test of how far you can walk in six minutes, used for lung and heart conditions.
Results: Immediately
Quick Summary
Primary Purpose
To assess exercise capacity in COPD, lung fibrosis and heart failure.
What It Measures
Distance walked, oxygen levels and breathlessness.
Preparation
Wear comfortable shoes; take usual medicines.
Overview
You walk at your own pace along a corridor.
You can slow down or rest if needed.
What It Measures
Distance
Metres walked.
Oxygen
During walking.
How It's Performed
- 01
Rest
Before starting.
- 02
Walk
For six minutes.
- 03
Measure
Distance and oxygen recorded.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Lung Function Tests(opens in a new tab) · MedlinePlus, US National Library of Medicine