Enter the total volume (gallons) and the total area (in^2) into the Calculator. The calculator will evaluate the Gallons Per Square Inch. 

Gallons Per Square Inch Formula

GSI = G / A

Variables:

  • GSI is the Gallons Per Square Inch (gallons/in^2)
  • G is the total volume (gallons)
  • A is the total area (in^2)

To calculate Gallons Per Square Inch, divide the volume in gallons by the area in square inches.

How to Calculate Gallons Per Square Inch?

The following steps outline how to calculate the Gallons Per Square Inch.


  1. First, determine the total volume (gallons). 
  2. Next, determine the total area (in^2). 
  3. Next, gather the formula from above = GSI = G / A.
  4. Finally, calculate the Gallons Per Square Inch.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

total volume (gallons) = 8000

total area (in^2) = 2000

Frequently Asked Questions

What is the significance of calculating Gallons Per Square Inch (GSI)?

Gallons Per Square Inch is a measurement that can help in understanding the distribution of a fluid’s volume over a specific area. This calculation is significant in various fields such as irrigation, painting, and coating processes, where it is crucial to know how much fluid covers a unit area to ensure efficiency and effectiveness.

Can Gallons Per Square Inch be used to calculate fluid distribution in any shape of area?

Yes, as long as you can accurately measure the total area in square inches, you can use the Gallons Per Square Inch calculation for any shape. The key is to have precise measurements of both the volume of the fluid in gallons and the area in square inches.

Are there any limitations to the Gallons Per Square Inch calculation?

One limitation is that it assumes a uniform distribution of the fluid over the area, which may not always be the case in practical applications. Variations in surface texture, material absorption, and fluid properties can affect the actual coverage.

How can I convert Gallons Per Square Inch to other units like Liters Per Square Meter?

To convert Gallons Per Square Inch to Liters Per Square Meter, you would first convert gallons to liters (1 gallon ≈ 3.78541 liters) and then convert square inches to square meters (1 square inch ≈ 0.00064516 square meters). The formula would then be adjusted to accommodate these conversions for accurate results.