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NITROX BLENDING & SPECIFICS CALCULATOR

Please note that this page is not intended as the sole means of calculating Nitrox Blends, MODs, EADs, or other information it offers towards the planning of a Nitrox dive. It is only an aid to check calculations that qualified Nitrox Divers and Blenders perform. Software such as this is no substitute for proper training. Above 'n' Below Scuba Services accepts no responsibility for any individual who is injured or causes property damage by using this software. Contact your local dive store to inquire about Nitrox Training.

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Blend a Mix from EMPTY
Desired Mix: % Add     
 PSI
of Oxygen and top with air
Target End Pressure: PSI

Top Up A Mix
Starting Mix: % Resulting mix will be
 %
by adding only air as a top up
Starting Pressure: PSI
Target Pressure: PSI

Mix on a Mix
Target Mix: % Add     
 PSI
of O2 and top with air
Target Pressure: PSI
Starting Pressure: PSI
Starting Mix: %

Quadratic Bleed Off and Top Up
Target Mix: % Bleed to    
 PSI
and top with air
Target Pressure: PSI
Starting Mix: %

Maximum Operation Depth for Nitrox Mixes
Nitrox Mix: % MOD is   
 fsw
Partial Pressure: PPO2

Equivalent Air Depth
Partial Pressure: PPO2 Add     
 fsw
is the depth to calculate your dive as air
Actual Planned Depth: fsw

Best Mix for a Dive
Partial Pressure: PPO2 Best Mix is
 %
for your planned dive
Planned Dive Depth: fsw