GPM to Precipitation Rate Calculator

Convert Gross Precipitation Rate (GPM) to Precipitation Rate (inches per hour) using this calculator.

Input Parameters

Calculation Results

Precipitation Rate (inches per hour)

Calculation Formula

Precipitation Rate (inches per hour) = (GPM / 7.48) / Area

Where:
GPM = Gross Precipitation Rate in gallons per minute
7.48 = Conversion factor from gallons to cubic feet
Area = Area covered in square feet

GPM to Precipitation Rate Calculator Calculator Usage Guide

Learn how to use the GPM to Precipitation Rate Calculator calculator and its working principles

How to Use the Calculator

  1. Enter the Gross Precipitation Rate (GPM) in gallons per minute.
  2. Enter the area covered by the precipitation in square feet.
  3. Click the "Calculate" button to compute the precipitation rate in inches per hour.
  4. The result will be displayed in the "Precipitation Rate" field.

Understanding the Formula

The calculator uses the following formula to convert GPM to precipitation rate:

Precipitation Rate (inches per hour) = (GPM / 7.48) / Area

Where:

  • GPM is the Gross Precipitation Rate in gallons per minute.
  • 7.48 is the conversion factor from gallons to cubic feet (1 gallon = 0.133681 cubic feet).
  • Area is the area covered by the precipitation in square feet.

This formula helps in determining the rate of precipitation over a given area, which is useful for irrigation systems, rainfall studies, and other applications.