Irrigation GPM / LPM Calculator

Required pump flow to deliver an irrigation depth in a given time.

Result

Total water
250 m³
Flow rate
1,042 L/min
Flow rate (GPM)
275
Calcurly.com area calculator showing dimensions, result, and cost breakdown

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About this calculator

Flow = area × depth ÷ time. 1 mm of water on 1 ha = 10 m³ = 2642 US gallons.

Frequently asked questions

What does the Irrigation GPM / LPM Calculator do?
Required pump flow to deliver an irrigation depth in a given time. Flow = area × depth ÷ time. 1 mm of water on 1 ha = 10 m³ = 2642 US gallons.
Is the Irrigation GPM / LPM Calculator free to use?
Yes. Every calculator on Calcurly.com is free, works in your browser without sign-up, and can be embedded on your own website.
How accurate is the Irrigation GPM / LPM Calculator?
Results are calculated in real time using industry-standard formulas. Treat the output as a well-informed estimate — always cross-check with local regulations, product datasheets, or a qualified agriculture & farming professional before committing to a purchase or a job.
What inputs does the Irrigation GPM / LPM Calculator need?
Enter values for: Area (ha), Depth applied (mm), Run time (h). Sensible defaults are pre-filled where possible so you can start with a single change.
Can I embed the Irrigation GPM / LPM Calculator on my own website?
Yes — copy the iframe snippet at the bottom of this page, or use the Embed Generator to customise the size. The embedded version stays in sync with the live calculator on Calcurly.com.

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