MEASURE · PLAN · MAKE IT COUNT
Drip irrigation calculator
Calculate water per plant, session and week.
Metric units as labelled. Prices, where used, are in EUR.
Method and limits
Plants × emitters per plant × emitter flow × minutes ÷ 60 gives litres per session. Multiply by weekly sessions. This describes water supplied, not crop water requirements.
Worked example
With the editable starting values: 40 litres per session. 2 l per plant · 120 l per week · 80 l/h total rated flow
- Number of plants: 20
- Emitters per plant: 2
- Rated flow per emitter (l/h): 2
- Session duration (min): 30
- Sessions per week: 3
Frequently asked questions
Are these starting values recommendations?
No. They are editable examples. Use your own measurements and the product label or quoted specification.
What should I check before using the result?
Plants × emitters per plant × emitter flow × minutes ÷ 60 gives litres per session. Multiply by weekly sessions. This describes water supplied, not crop water requirements.
Are units and prices converted automatically?
No. These tools use the metric units shown next to each field. Monetary inputs and results are in EUR; enter the relevant EUR tariff or quote. No currency conversion or live prices are applied.