Pesticide Spray Mix Calculator (dose per tank)
Enter the dose (ml per litre), sprayer tank size and number of tanks to see how much chemical goes in each tank and in total.
Quick answer
2 ml/L, 16 L tank: 32 ml per tank.
How it is calculated
- Per tank = dose × tank litres = 2 × 16 = 32 ml.
- Total = per tank × tanks = 32 × 10 = 320 ml.
- Always take the dose from the product label.
Worked example
The label says 2 ml per litre and the pump holds 16 litres. Put 32 ml in each tank; 320 ml in total for 10 tanks.
| Dose | 2 ml/L |
| Tank size | 16 L |
| Number of tanks | 10 |
| Per tank | 32 ml |
| Total chemical | 320 ml |
Formula
Per tank = Ds×Tk Total chemical = Ds×Tk×Nt
Good to know
- Never exceed the label dose; it harms the crop and your health.
- Wear gloves and a mask and check the wind direction while spraying.
Questions people ask
How many tanks per acre?
Depends on the crop; usually 150–200 litres of water, i.e. 10–12 tanks of 16 L.
What if the dose is in grams?
Enter grams per litre the same way and read the result in grams.
Can I mix two chemicals?
Only if the label or an agriculture expert allows it.
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Updated 13 Nov 2026 · Desktop N Calculator v1.2.0