Calcularors

Three free calculators to size, budget, and optimize your solar water pump. No signup required.

Compare the cost of storing water in a tank vs storing energy in batteries for your solar water pump. Includes 20-year lifecycle analysis.

Free solar pump sizing tool: Calculate total dynamic head, pump horsepower, and solar array size. Basic and advanced engineering modes.

Free calculator: See your payback period when switching from diesel to solar water pumps. Includes USDA REAP grants and 30% federal tax credit.