Calculates application rate (gal/ft²) and coverage (ft²/gal) from total gallons and area.
The Gallons per Square Foot Calculator is a free online tool that helps you quickly compute values related to gallons per square foot. Calculates application rate (gal/ft²) and coverage (ft²/gal) from total gallons and area.
This calculator is part of our Construction category, which includes hundreds of specialized tools for construction-related calculations.
Simply enter your values in the fields above and click "Calculate" or watch the results update automatically as you type. All calculations are performed instantly in your browser — no data is sent to any server.
This tool is commonly used alongside other construction calculators. Browse our full collection of Construction calculators to find more tools that can help with your construction calculations.