Agriculture & Forestry
Center Pivot Irrigation Water Application Depth (Inches/Hour)
Calculate center pivot irrigation water application depth (inches/hour) using the stated engineering or scientific relationship and adjustable field inputs.
Preparing your result…
What this calculator does
Calculates Center Pivot Irrigation Water Application Depth (Inches/Hour) using the formula verified against the cited source.
What your result means
An estimate from the inputs you enter, within the scope stated below — not advice.
Formula
Rate = Q ÷ (453 × irrigated acres)
The step-by-step working for your own numbers appears with the result above and in the PDF report.
Frequently asked questions
Symbols and assumptions
- Inputs
- The values entered in the fields above
- • Average gross application rate inches/hour=system flow USgal/min÷(approximately 453×irrigated acres). Depth=rate×operating hours.
Sources and review
Reviewed 2026-10-18 · Next review 2027-04-18
- • 453 gpm≈1 acre-inch/hour. This is average over the specified full area; it does not give a center-pivot outer-span instantaneous precipitation rate. Net retained depth needs application efficiency, and pivot travel/area coverage must match the operating period. Require positive area.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Quick reference
| Scenario | System flow Q (gpm) | Irrigated area (acres) | Average application rate |
|---|---|---|---|
| Worked example | 800 | 125 | 0.0141 in/hour |
| Half the amounts | 400 | 63 | 0.014 in/hour |
| Double the amounts | 1,600 | 250 | 0.0141 in/hour |
Need the full picture? Get the detailed PDF report with charts, tables, formulas and working steps.
Reviewed 2026-10-18 · Next review 2027-04-18
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