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Do you have what it takes?

Enter the planned maximum depth, total dive time and your surface breathing rate, then press the calculate button to see how much air you'll use. Don't forget to check your planned dive profile against your dive tables. You will need a browser that is vbscript enabled (such as Microsoft Internet Explorer) to run this calculator!

Calculate how much air you'll need for the planned dive.

Enter the maximum depth of your dive in metres:

Enter the total duration of your planned dive in minutes:

Enter your normal air consumption (RMV) at the surface in litres per minute (average is 30):
Projected Air Consumption:

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