This calculator enables you to work out the price of a nitrox top up fill based on your required mix and cylinder details, when starting with an existing air fill or nitrox blend. It also will give you the price for this fill at The Scuba Doctor.

Maximum pressure for Nitrox fills up to 70% Oxygen is 240 bar.
Maximum pressure for Nitrox fills above 70% Oxygen fills is 200 bar.

Please Note: The above prices are subject to change without notice.

Disclaimer: This calculator provides information about gas mixing. UNDER NO CIRCUMSTANCES is there any implication that any gas mixture is safe or even life supporting. If you have not received training in Gas Mixing, Nitrox, Trimix or Heliox you should not attempt to mix any gas. Improper use of gasses in diving can result in injury or death. The Scuba Doctor takes no responsibility for the information provided above.