Top Up Mix
Nitrox Tools has been translated into:
English
Japanese
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iTunes is for legal or rightholder-authorized copying only. Don’t steal music.
Nitrox Tools

You can specify a starting pressure of zero (or to be even more accurate 1 bar or 14.7 psi at sea level with a stating mix of 21%) to fill an empty tank to the desired mix.
Tap on the bookmark icon to recall a previously saved calculation or to save this calculation for future use.
You can easily make the calculations using Metric or Imperial/US by visiting the in application “Settings” and changing the system to the one desired.