Solar Calculator is an environmental consulting business that provides information and tools for consumers investigating solar panels and batteries. The website features a solar power calculator that assists users to weigh up the environmental and financial benefits of solar power. The calculator produces results for: the cost of the solar system, return on investment, financial payback period, solar power generated and greenhouse emissions saved; it also allows users to select the optimal system size for their household or business.

The Solar Calculator website also provides other tools useful for investigating energy storage, including: a solar storage calculator and an off grid calculator. Customers can choose to have Solar Calculator refer installers to provide a detailed quote on the supply and installation of a solar system, this and all other services are provided free of charge.