How it works
- 1Enter the requested values.
- 2Choose the units or calculation options that match your data.
- 3Calculate and review the result and assumptions.
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BROWSER · Local JavaScript · agricultural formula
I need to calculate Irrigation Water Requirement
Irrigation Water Requirement Calculator
Calculate net and gross irrigation depth and field water volume from crop demand, effective rainfall and system efficiency.
✓ Local browser calculation✓ Agricultural units and formula-aware validation✓ Responsive results for desktop and mobile
Inputs
Results
Net irrigation depth
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Gross irrigation depth
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Water volume
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Water volume (liters)
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Calculation aid only: verify units, product labels, laboratory/soil-test results and local agronomic recommendations before field use.
About this tool
Calculate net and gross irrigation depth and field water volume from crop demand, effective rainfall and system efficiency.
Common uses
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Frequently asked questions
Does this calculator upload my data?
No. The calculation runs locally in your browser.
Should I treat the result as an agronomic recommendation?
No. It is a calculation aid. Product labels, soil/lab results, crop requirements and local regulations or extension recommendations remain authoritative.