Nitrox Calculator - Top Up Mix
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.
| Nitrox Fill & Price Details — Top Up Mix | ||||
|---|---|---|---|---|
| Current Mix | Requested Mix | |||
| Current Oxygen: | 21% | Required Oxygen: | 32% | |
| Current Nitrogen: | 79% | Required Nitrogen: | 68% | |
| Dive Planning | ||||
| PPO2: | 1.40 | Max Depth: | 34 | |
| EAD: | 30 | |||
| Cylinder Details | ||||
| Cylinder Size: | 12.20 | litres | ||
| Current Pressure: | 50 | bars | ||
| Fill Pressure: | 240 | bars | ||
| Mix Method | ||||
| Gas | Litres | Bar | End Bar | Price (inc GST) |
| Start Nitrox 21: | 610 | 50 | ||
| Add Oxygen: | 408 | 33 | 83 | 20.38 |
| Add Air: | 1,910 | 157 | 240 | 8.50 |
| Mix Totals: | 2,318 | 190 | ||
| Fill Totals: | 2,928 | 240 | ||
| Blending: | 10.00 | |||
| Price from The Scuba Doctor | ||||
| Price (ex GST): | 35.35 | |||
| GST: | 3.53 | |||
| Total Price (inc GST): | 38.88 | |||
Nitrox Fill Prices: (inc GST)
Oxygen: 5.0 cents per litre
Air: 8.50 per fill for O2 less than 100%
Blending: 10.00 per fill
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.
