Tools
Irrigation Water Requirement Calculator
Estimate how much water your crop needs this season. Pick your crop and land area to see the total in litres and cubic metres.
2 acre
Paddy / Rice needs about 1200 mm of water over the season.
Seasonal water requirement for 2 acre(s)
9,712 m³
- In litres
- 97,12,454 L
- In lakh litres
- 97.12 lakh L
- Water depth needed
- 1200 mm
Indicative only (1 mm over 1 m² = 1 litre). Actual need depends on soil, climate, variety and irrigation method: drip can cut usage significantly.
FAQ
Frequently asked questions
Each crop needs a certain depth of water over the season (in mm). One mm of water over one square metre equals one litre, so total water = seasonal mm × area in square metres.
Yes: drip and micro-irrigation deliver water directly to the root zone and can cut water use by 30-50% compared with flood irrigation, while often improving yield.
No. It is indicative. Actual water need depends on your soil, local climate, crop variety, growth stage and irrigation method.
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