Lung Test Online
Test your lung capacity with our Breath Holding Test
Click "Start" to begin. You'll inhale for 4 seconds, then hold your breath as long as you can (up to 30 seconds).
Click "Stop" when you need to breathe again during the hold phase
⚠️ Safety Note: If you feel dizzy, lightheaded, or uncomfortable at any time, stop the test immediately. This is just for fun — listen to your body!
Measure Your Lung Capacity Easily
Curious about your breathing capacity? Our Lung Capacity Test helps you evaluate how long you can comfortably hold your breath — a simple indicator of overall respiratory strength and control. Whether you're exploring your fitness level or just curious about your limits, this tool offers a quick and engaging way to check your performance.
Follow the guided preparation steps, start the countdown, hold your breath, and get instant results. You'll also receive helpful tips to improve your breathing and can track your results over time — all without any equipment.
Professional Features
Test Capabilities
- •Guided 4-second inhale phase
- •Up to 30-second hold phase
- •Military-standard ratings
- •Real-time progress tracking
- •Personal best tracking
Perfect For
- •Fitness enthusiasts
- •Military aspirants
- •Athletes & swimmers
- •Health-conscious individuals