How to use it
- Enter field area and area unit.
- Enter the water depth and unit.
- Enter assumed irrigation efficiency and calculate.
Irrigation Water Calculator
Convert an entered water depth over a field area into liters and cubic meters.
Important: This calculator provides estimates only. Actual agricultural results vary by crop, soil, climate, variety, equipment, and local practice. Always follow product labels, local regulations, and qualified agronomy advice.
About the Irrigation Water Calculator
Translate a user-selected water depth across a field area into net and gross volume.
Formula
Net cubic meters equal square meters times depth in meters. Gross volume divides net volume by efficiency as a decimal.
Example
Ten millimeters over 1,000 m² is 10 m³ net water; at 80% efficiency the gross estimate is 12.5 m³.
Notes
This tool does not determine when or how much to irrigate. Crop demand, soil, weather, system performance and local restrictions are outside the calculation.