How fast do I use my air?
Enter a dive you’ve done to work out your air use rate. Then see roughly how long a tank would last at another depth.
Air use calculator
A dive you’ve done
Your air use rate at the surface
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How long would a tank last?
Estimated time at that depth
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Air use rises with effort, current, cold and stress, so plan conservatively. Your dive computer and the plan you agree with your buddy come first. Always end your dive with your reserve.
These tools are general guidance, not a substitute for your training, your dive computer or medical advice.
Use less air
Better buoyancy and trim are the fastest way to make your air last. That’s what Peak Performance Buoyancy is about.